Projects each element of a sequence to an IEnumerable and flattens the resulting sequences into one sequence. This parameter may be omitted when inside a class. Func, Func, IComparer, IEqualityComparer), ToImmutableSortedSet(IEnumerable), ToImmutableSortedSet(IEnumerable, IComparer), CopyToDataTable(IEnumerable, DataTable, LoadOption), CopyToDataTable(IEnumerable, DataTable, LoadOption, FillErrorEventHandler), Aggregate(IEnumerable, Func), Aggregate(IEnumerable, TAccumulate, Func), Aggregate(IEnumerable, TAccumulate, Func, Func), All(IEnumerable, Func), Any(IEnumerable, Func), Append(IEnumerable, TSource), AsEnumerable(IEnumerable), Average(IEnumerable, Func), Average(IEnumerable, Func), Average(IEnumerable, Func), Average(IEnumerable, Func), Average(IEnumerable, Func>), Average(IEnumerable, Func>), Average(IEnumerable, Func>), Average(IEnumerable, Func>), Average(IEnumerable, Func>), Average(IEnumerable, Func), Chunk(IEnumerable, Int32), Concat(IEnumerable, IEnumerable), Contains(IEnumerable, TSource), Contains(IEnumerable, TSource, IEqualityComparer), Count(IEnumerable, Func), DefaultIfEmpty(IEnumerable), DefaultIfEmpty(IEnumerable, TSource), Distinct(IEnumerable, IEqualityComparer), DistinctBy(IEnumerable, Func), DistinctBy(IEnumerable, Func, IEqualityComparer), ElementAt(IEnumerable, Index), ElementAt(IEnumerable, Int32), ElementAtOrDefault(IEnumerable, Index), ElementAtOrDefault(IEnumerable, Int32), Except(IEnumerable, IEnumerable), Except(IEnumerable, IEnumerable, IEqualityComparer), ExceptBy(IEnumerable, IEnumerable, Func), ExceptBy(IEnumerable, IEnumerable, Func, IEqualityComparer), First(IEnumerable, Func), FirstOrDefault(IEnumerable), FirstOrDefault(IEnumerable, TSource), FirstOrDefault(IEnumerable, Func), FirstOrDefault(IEnumerable, Func, TSource), GroupBy(IEnumerable, Func), GroupBy(IEnumerable, Func, IEqualityComparer), GroupBy(IEnumerable, Func, Func), GroupBy(IEnumerable, Func, Func, IEqualityComparer), GroupBy(IEnumerable, Func, Func,TResult>), GroupBy(IEnumerable, Func, Func,TResult>, IEqualityComparer), GroupBy(IEnumerable, Func, Func, Func,TResult>), GroupBy(IEnumerable, Func from an IEnumerable according to specified key selector and element selector functions. Any instance members are not guaranteed to be thread safe. Before implementing your own collection, consider using ObservableCollection or one of the existing collection classes, such as List, Collection, and BindingList, among many others. WebReturns the last element of a sequence, or a specified default value if the sequence contains no elements. Enumerates a sequence, produces an immutable sorted set of its contents, and uses the specified comparer. In the child Class LoadData() method I want to be able to set the CurrentRow variable of the parent and call the MyMethod() function. Invokes a transform function on each element of a sequence and returns the minimum Decimal value. Default visibility corresponds to external linkage in the language. Returns the last element of a sequence that satisfies a condition or a default value if no such element is found. Computes the average of a sequence of Decimal values that are obtained by invoking a transform function on each element of the input sequence. The element's index is used in the logic of the predicate function. Returns the only element of a sequence that satisfies a specified condition, and throws an exception if more than one such element exists. Produces the set difference of two sequences according to a specified key selector function. Returns the first element of a sequence, or a specified default value if the sequence contains no elements. Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. The template for displaying content in a Popup Although you can call a class's static methods from an instance of the class as though they were object instance methods, it's nice to know that, since classes are represented in PHP code by their names as strings, the same thing goes for the return value of get_class(): well, if you call get_class() on an aliased class, you will get the original class name. the graphic nor its layer have a popup template defined. Groups the elements of a sequence according to a specified key selector function. Converts an instance of this class to its ArcGIS portal JSON representation. Converts an IEnumerable to an IQueryable. Returns the input typed as IEnumerable. A specified IEqualityComparer is used to compare keys. Correlates the elements of two sequences based on matching keys. Computes the average of a sequence of nullable Double values that are obtained by invoking a transform function on each element of the input sequence. Produces the set difference of two sequences by using the default equality comparer to compare values. Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. Returns a collection of elements that contains the descendant elements of every element and document in the source collection. In many cases the data that you work with is a collection of objects. how to display attribute values in the popup. Removes the element at the specified index of the Collection. Projects each element of a sequence to an IEnumerable, flattens the resulting sequences into one sequence, and invokes a result selector function on each element therein. This note is a response to the earlier post by davidc at php dot net. @DanielHilgarth Good spot, I missed that. Converts an IEnumerable to an IQueryable. Applies an accumulator function over a sequence. Serializes the HTTP content into a stream of bytes and copies it to stream. Returns a collection of the child nodes of every document and element in the source collection. Returns the last element of a sequence, or a default value if the sequence contains no elements. Determines whether a sequence contains a specified element by using a specified IEqualityComparer. Returns distinct elements from a sequence by using the default equality comparer to compare values. Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. Only elements that have a matching XName are included in the collection. Creates a Lookup from an IEnumerable according to a specified key selector function, a comparer and an element selector function. The explicit implementation of the GetEnumerator() method. Represents a dynamic data collection that provides notifications when items get added or removed, or when the whole list is refreshed. browser deprecation post for more details. Returns the only element of a sequence, and throws an exception if there is not exactly one element in the sequence. For example, a common scenario in data binding is to use an ItemsControl such as a ListBox, ListView, or TreeView to display a collection of records. Returns the only element of a sequence, or a default value if the sequence is empty; this method throws an exception if there is more than one element in the sequence. The project is hosted on GitHub, and the annotated source code is available, Determines whether the specified object is equal to the current object. See the, // extent encompassing all features by region, // get avg age by Regions and extent of each region, // Create a graphic and add the geometry and symbol to it, // The following snippet shows how to set a popupTemplate, // on the returned results (features) from identify. 3. This becomes problematic when attempting to call an overridden static method from within an inherited method in a derived class. To fully support transferring data values from binding source objects to binding targets, each object in your collection that supports bindable properties must implement an appropriate property changed notification mechanism such as the INotifyPropertyChanged interface. that may be passed into the constructor. Serialize the multipart HTTP content to a stream as an asynchronous operation. Projects each element of a sequence into a new form by incorporating the element's index. Microsoft makes no warranties, express or implied, with respect to the information provided here. To allow the collection to be accessed by multiple threads for reading and writing, you must implement your own synchronization. Produces the set intersection of two sequences by using the default equality comparer to compare values. Returns a new enumerable collection that contains the elements from source with the last count elements of the source collection omitted. Returns the first element of the sequence that satisfies a condition, or a specified default value if no such element is found. Returns the elements of the specified sequence or the type parameter's default value in a singleton collection if the sequence is empty. Computes the sum of the sequence of nullable Int64 values that are obtained by invoking a transform function on each element of the input sequence. In the parent I declare a new instance of the ChildClass() then bind the event handler in that class to the local method in the parent. Func, Func, Func, Gets the HTTP content headers as defined in RFC 2616. Invokes a transform function on each element of a sequence and returns the maximum nullable Double value. Asking for help, clarification, or responding to other answers. You should not need to dynamically find out what class a static method belongs to, since the context of your code should make it quite obvious. Invokes a transform function on each element of a sequence and returns the minimum Single value. It seems with get_called_class there is now a cleaner solution than what is discussed below, that does not require overriding a method per subclass. Determines whether two sequences are equal by comparing their elements by using a specified IEqualityComparer. AS I may want parentClass2 to call this class. To How do I use reflection to call a generic method? Creates an immutable array from the specified collection. Returns an Int64 that represents the total number of elements in a sequence. Sorts the elements of a sequence in descending order by using a specified comparer. Groups the elements of a sequence according to a specified key selector function and projects the elements for each group by using a specified function. // I don't remember where I found this, but this is to allow php < 5.3 to use this method. So wanted to add my own way. // This acctually is not what we want, $class will always be 'Singleton' :(. Returns the element at a specified index in a sequence. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. is enabled. Returns the maximum value in a generic sequence according to a specified key selector function and key comparer. Removes the first occurrence of a specific object from the IList. Returns distinct elements from a sequence according to a specified key selector function. Determines whether the specified object is equal to the current object. For example: //here, we want "self" to refer to the actual class, which might be a derived class that inherits this method, not necessarily this base class. The specified seed value is used as the initial accumulator value, and the specified function is used to select the result value. Invokes a transform function on each element of a sequence and returns the maximum nullable Double value. Each element's index is used in the logic of the predicate function. Computes the sum of the sequence of nullable Int32 values that are obtained by invoking a transform function on each element of the input sequence. Creates a Dictionary from an IEnumerable according to a specified key selector function and key comparer. Returns the value of the attribute specified by. Splits the elements of a sequence into chunks of size at most size. Creates a Dictionary from an IEnumerable according to a specified key selector function. It was exactly what I was looking for, even though it wasn't his question :). Groups the elements of a sequence according to a key selector function. Returns a specified range of contiguous elements from a sequence. Filters a sequence of values based on a predicate. This work is licensed under a Creative Commons Attribution-NonCommercial- ShareAlike 4.0 International License. Sorts the elements of a sequence in descending order. Determines whether the HTTP multipart content has a valid length in bytes. Applies a specified function to the corresponding elements of two sequences, producing a sequence of the results. As of 4.8 to get the actual popupTemplate of the graphic, see the getEffectivePopupTemplate() Use Queue if you need to access the information in the same order that it is stored in the collection. Computes the sum of the sequence of nullable Int64 values that are obtained by invoking a transform function on each element of the input sequence. Implementing IList provides the best performance with the data binding engine. "Cannot find called class -> stack level too deep. Returns the first element in a sequence that satisfies a specified condition. Invokes a transform function on each element of a sequence and returns the minimum nullable Single value. When overriding a constructor: We must call parent constructor as super() in Child constructor before using this. Copies DataRow objects to the specified DataTable, given an input IEnumerable object where the generic parameter T is DataRow. ", Web hosting without headaches. Invokes a transform function on each element of a sequence and returns the minimum nullable Int64 value. In the child class I add a public event handler: In the parent I create a new instance of this child class then bind the local parent event to the public eventhandler in the child, Then in the LoadData() of the child class I can call. Returns an Int64 that represents how many elements in a sequence satisfy a condition. Returns the first element of the sequence that satisfies a condition or a default value if no such element is found. Projects each element of a sequence to an IEnumerable and flattens the resulting sequences into one sequence. When target >= ES2022 or useDefineForClassFields is true, class fields are initialized after the parent class constructor completes, overwriting any value set by the parent class.This can be a problem when you only want to re-declare a more accurate type for an inherited field. Returns elements from a sequence as long as a specified condition is true. Enumerates a sequence and produces an immutable sorted set of its contents. Received a 'behavior reminder' from manager. The default equality comparer is used to compare keys. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Applies a specified function to the corresponding elements of two sequences, producing a sequence of the results. IEqualityComparer), ToImmutableHashSet(IEnumerable), ToImmutableHashSet(IEnumerable, IEqualityComparer), ToImmutableList(IEnumerable), ToImmutableSortedDictionary(IEnumerable, Func, Func), ToImmutableSortedDictionary(IEnumerable, Func, Func, IComparer), ToImmutableSortedDictionary(IEnumerable, Projects each element of a sequence into a new form by incorporating the element's index. To map a Field to a database-specific type, Django exposes several methods: get_internal_type () Returns a string naming this field for backend specific purposes. However, the usage has substantial limitations. Serialize and write the content provided in the constructor to an HTTP content stream as an asynchronous operation. Returns the first element of the sequence that satisfies a condition or a default value if no such element is found. Produces the set union of two sequences according to a specified key selector function. default popup. Enumerates and transforms a sequence, and produces an immutable dictionary of its contents. Computes the sum of the sequence of nullable Decimal values that are obtained by invoking a transform function on each element of the input sequence. Returns a collection of the child elements of every element and document in the source collection. Each graphic may have its own symbol specified when the parent layer is a GraphicsLayer. Better way to check if an element only exists in one array. Only elements that have a matching XName are included in the collection. Creates a Lookup from an IEnumerable according to specified key selector and element selector functions. Returns the first element of the sequence that satisfies a condition, or a specified default value if no such element is found. How to call asynchronous method from synchronous method in C#? Attempts to determine the number of elements in a sequence without forcing an enumeration. Enumerates a sequence, produces an immutable hash set of its contents, and uses the specified equality comparer for the set type. rev2022.12.9.43105. Inverts the order of the elements in a sequence. Enumerates and transforms a sequence, and produces an immutable sorted dictionary of its contents. __get called on non object.". Returns a number that represents how many elements in the specified sequence satisfy a condition. Creates a List from an IEnumerable. Gets an object that can be used to synchronize access to the ICollection. Correlates the elements of two sequences based on matching keys. Returns a DataTable that contains copies of the DataRow objects, given an input IEnumerable object where the generic parameter T is DataRow. Reads the HTTP content and returns the value that results from deserializing the content as JSON in an asynchronous operation. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Overriding this class attribute allows for customizing the get and set behavior. Determines whether a sequence contains a specified element by using a specified IEqualityComparer. All rights reserved. Creates a new instance of this class and initializes it with values from a JSON object Bypasses a specified number of elements in a sequence and then returns the remaining elements. Creates a new instance of the MultipartFormDataContent class. A group key or an array or collection of group keys to remove. In backtrace the class name you want is not always the last item in the array. Returns elements from a sequence as long as a specified condition is true. Gets the name of the class of the given object. Raises the CollectionChanged event with the provided arguments. Sorts the elements of a sequence in descending order by using a specified comparer. Invokes a transform function on each element of a sequence and returns the maximum Decimal value. Key values are compared by using a specified comparer, and the elements of each group are projected by using a specified function. Returns a collection of the descendant nodes of every document and element in the source collection. Casts the elements of an IEnumerable to the specified type. Enumerates and transforms a sequence, and produces an immutable sorted dictionary of its contents by using the specified key comparer. People seem to mix up what __METHOD__, get_class($obj) and get_class() do, related to class inheritance. Produces the set union of two sequences according to a specified key selector function. Invokes a transform function on each element of a sequence and returns the minimum Single value. Enumerates and transforms a sequence, and produces an immutable dictionary of its contents by using the specified key and value comparers. Returns the name of the class of which object is an instance.. The index of each source element is used in the intermediate projected form of that element. Adds a value to the beginning of the sequence. Invokes a transform function on each element of a sequence and returns the maximum nullable Int32 value. Returns a collection of nodes that contains all nodes in the source collection, sorted in document order. We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. horizontal units specified by the service. Determines whether any element of a sequence satisfies a condition. Invokes a transform function on each element of a sequence and returns the maximum nullable Int64 value. Returns a collection of the descendant nodes of every document and element in the source collection. object, TypeError is raised. Returns a collection of elements that contains the ancestors of every node in the source collection. Sets the capacity to the actual number of elements in the Stack, if that number is less than 90 percent of current capacity. Copies the elements of the ICollection to an Array, starting at a particular Array index. Copies DataRow objects to the specified DataTable, given an input IEnumerable object where the generic parameter T is DataRow. What's the \synctex primitive? The capacity can be decreased by calling TrimExcess. Invokes a transform function on each element of a sequence and returns the maximum Double value. Invokes a transform function on each element of a sequence and returns the maximum nullable Single value. Unfortunately, the solution posted for getting the class name from a static method does not work with inherited classes. Serializes the multipart HTTP content to a stream. Available on Unix and Windows. Only elements that have a matching XName are included in the collection. Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. Invokes a transform function on each element of a sequence and returns the maximum nullable Decimal value. The index of each source element is used in the projected form of that element. Determines whether an element is in the Collection. When true, a default popup template may be created automatically if neither Invokes a transform function on each element of a sequence and returns the maximum nullable Single value. Peek returns an element that is at the top of the Stack but does not remove it from the Stack. Bypasses elements in a sequence as long as a specified condition is true and then returns the remaining elements. Computes the sum of the sequence of Single values that are obtained by invoking a transform function on each element of the input sequence. // @todo Drop the connection to the database. Returns the element at a specified index in a sequence. The default equality comparer is used to compare keys. Produces the set difference of two sequences according to a specified key selector function. You must map a prefix for the namespace and assembly, and then use that prefix on the object element tag for ObservableCollection. For more information, see "Binding to Collections" in Data Binding Overview. Returns the maximum value in a generic sequence according to a specified key selector function. an E_WARNING level error was raised. Invokes a transform function on each element of a sequence and returns the maximum Int32 value. Projects each element of a sequence to an IEnumerable, and flattens the resulting sequences into one sequence. Applies an accumulator function over a sequence. Filters the elements of an IEnumerable based on a specified type. Removes the first occurrence of a specific object from the Collection. Choosing a symbol for a graphic depends on the View type (SceneView or MapView), Invokes a transform function on each element of a sequence and returns the minimum Int32 value. Provides a container for content encoded using multipart/form-data MIME type. TKey>, Func, Func, The new value to set on the named attribute. The element's index is used in the logic of the predicate function. This type is derived from MultipartContent type. The Peek method is used to look at the next item on the stack, and then the Pop method is used to pop it off. See the Using fromJSON() guide topic for more information. Not the answer you're looking for? Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. Groups the elements of a sequence according to a specified key selector function and projects the elements for each group by using a specified function. How is the merkle root verified if the mempools may be different? A Stack can support multiple readers concurrently, as long as the collection is not modified. Func, Func, IEqualityComparer, There are discussions below regarding how to create a singleton that allows subclassing. For example, a common scenario in data binding is to use an ItemsControl such as a ListBox, ListView, or TreeView to display a collection of records.. You can enumerate over any collection that implements the IEnumerable interface. To follow up on the comment by suhendri to Rory McCrossan answer. With Late Static Bindings, available as of PHP 5.3.0, it is now possible to implement an abstract Singleton class with minimal overhead in the child classes. Removes every node in the source collection from its parent node. Constructs an immutable dictionary based on some transformation of a sequence. Returns a DataTable that contains copies of the DataRow objects, given an input IEnumerable object where the generic parameter T is DataRow. Returns a read-only ReadOnlyCollection wrapper for the specified list. Computes the sum of the sequence of Int32 values that are obtained by invoking a transform function on each element of the input sequence. Because the methods are re-created, you use up more memory as well. Gets a value indicating whether the ICollection is read-only. Bypasses elements in a sequence as long as a specified condition is true and then returns the remaining elements. When called in a static method, this function returns the name of the class the call was made against. Produces the set intersection of two sequences by using the specified IEqualityComparer to compare values. The specified seed value is used as the initial accumulator value. Gets an object that can be used to synchronize access to the ICollection. create_default_context (purpose = Purpose.SERVER_AUTH, cafile = None, capath = None, cadata = None) Return a new SSLContext object with default settings for the given purpose.The settings are chosen by the ssl module, and usually represent a If the current capacity is less than capacity, it is successively increased to twice the current capacity until it is at least the specified capacity. Computes the sum of the sequence of nullable Single values that are obtained by invoking a transform function on each element of the input sequence. Produces a sequence of tuples with elements from the three specified sequences. Is it correct to say "The glue on the back of the sticker is dying down so I can not stick the sticker to the wall"? Some weird suggestions of code to do that - not what I would've written! Creates a HashSet from an IEnumerable using the comparer to compare keys. See the Using fromJSON() Invokes a transform function on each element of a sequence and returns the minimum nullable Single value. Determines whether all elements of a sequence satisfy a condition. Splits the elements of a sequence into chunks of size at most size. Returns a filtered collection of elements that contains the descendant elements of every element and document in the source collection. Represents a variable size last-in-first-out (LIFO) collection of instances of the same specified type. Gets the number of elements contained in the Stack. Returns the first element of the sequence that satisfies a condition or a default value if no such element is found. The object passed into the input json The element's index is used in the logic of the predicate function. Returns the minimum value in a generic sequence according to a specified key selector function. // Remove a named group of handles if they exist. Computes the sum of the sequence of nullable Double values that are obtained by invoking a transform function on each element of the input sequence. Returns the maximum value in a generic sequence according to a specified key selector function and key comparer. A specified IEqualityComparer is used to compare keys. Inserts an object at the top of the Stack. Returns a collection of elements that contains the descendant elements of every element and document in the source collection. The rubber protection cover does not pass through the hole in the rim. Appends a value to the end of the sequence. Sorts the elements of a sequence in ascending order by using a specified comparer. Returns the only element of a sequence that satisfies a specified condition or a default value if no such element exists; this method throws an exception if more than one element satisfies the condition. Determines whether the specified object is equal to the current object. Returns distinct elements from a sequence according to a specified key selector function and using a specified comparer to compare keys. Bypasses elements in a sequence as long as a specified condition is true and then returns the remaining elements. Returns the last element of a sequence, or a specified default value if the sequence contains no elements. ", "The shark cannot swim backwards, but can sink backwards. Removes a group of handles owned by the object. For a FeatureLayer the symbol of each graphic should not be set by the developer since the To access properties and methods of a parent class use the base keyword. Groups the elements of a sequence according to a key selector function. Removes every node in the source collection from its parent node. Gets a value indicating whether the IList has a fixed size. Returns a filtered collection of the child elements of every element and document in the source collection. After reading the previous comments, this is the best I've done to get the final class name of a subclass: Due to PHP 5 engine that permits to get final class in a static called function, and this is a modified version of examples published below. Creates a Lookup from an IEnumerable according to a specified key selector function and key comparer. Returns an Int64 that represents the total number of elements in a sequence. Returns the minimum value in a generic sequence according to a specified key selector function. Correlates the elements of two sequences based on equality of keys and groups the results. As noted in bug #30934 (which is not actually a bug but a consequence of a design decision), the "self" keyword is bound at compile time. Computes the average of a sequence of Decimal values that are obtained by invoking a transform function on each element of the input sequence. Only elements that have a matching XName are included in the collection. The keys are compared by using a specified comparer. Using of cached values avoids object allocation and the Filters a sequence of values based on a predicate. TResult>, IEqualityComparer), GroupJoin(IEnumerable, IEnumerable, This is a slightly different question from previous answers I have seen or I am not getting it. If the object is an instance of a class which exists in a namespace, the qualified To learn more, see our tips on writing great answers. (Inherited from Object) GetType() hidden - Computes the average of a sequence of Int64 values that are obtained by invoking a transform function on each element of the input sequence. Creates a Lookup from an IEnumerable according to a specified key selector function. Invokes a transform function on each element of a sequence and returns the minimum nullable Decimal value. Computes the sum of the sequence of nullable Int64 values that are obtained by invoking a transform function on each element of the input sequence. Computes the average of a sequence of nullable Int32 values that are obtained by invoking a transform function on each element of the input sequence. an E_WARNING level error was raised. I used this function in a parent class to get the name of the class that extends it. Returns a specified range of contiguous elements from a sequence. Then map the assembly that contains this class, and reference it as an object element in your XAML. Returns a collection of the descendant nodes of every document and element in the source collection. Initializes a new instance of the ObservableCollection class. Returns distinct elements from a sequence according to a specified key selector function. WebOn XCOFF, default visibility means no explicit visibility bit will be set and whether the symbol is visible (i.e exported) to other modules depends primarily on export lists provided to the linker. Concentration bounds for martingales with adaptive Gaussian steps, If you see the "cross", you're on the right track, Effect of coal and natural gas burning on particulate matter pollution. Determines whether any element of a sequence satisfies a condition. WebBackbone.js gives structure to web applications by providing models with key-value binding and custom events, collections with a rich API of enumerable functions, views with declarative event handling, and connects it all to your existing API over a RESTful JSON interface.. Enumerates and transforms a sequence, and produces an immutable sorted dictionary of its contents by using the specified key and value comparers. Invokes a transform function on each element of a generic sequence and returns the minimum resulting value. Returns the only element of a sequence that satisfies a specified condition, and throws an exception if more than one such element exists. Creates a Lookup from an IEnumerable according to a specified key selector function. name of that class is returned. Serialize the HTTP content to a memory buffer as an asynchronous operation. null is used. The Shark child class successfully overrode the __init__() and swim_backwards() methods of the Fish parent class, while also inheriting the swim() method of the parent class. Invokes a transform function on each element of a sequence and returns the maximum Single value. Func, Func, Func, Enumerates and transforms a sequence, and produces an immutable dictionary of its contents by using the specified key and value comparers. I'll leave this here in case it's of some use though. Serialize the HTTP content to a string as an asynchronous operation. Invokes a transform function on each element of a sequence and returns the maximum Decimal value. Projects each element of a sequence to an IEnumerable, and flattens the resulting sequences into one sequence. Invokes a transform function on each element of a sequence and returns the maximum Int64 value. Produces the set intersection of two sequences by using the default equality comparer to compare values. TResult>, IEqualityComparer), GroupJoin(IEnumerable, IEnumerable, You must declare an x:Class attribute (which entails that the build action for this XAML file must be Page or some other build action that compiles the XAML). A more straightforward way to use ObservableCollection capabilities from XAML in an application is to declare your own non-generic custom collection class that derives from ObservableCollection