Pabitra Dash
Default template arguments are specified in the parameter lists after the = sign. Defaults can be specified for any kind of template parameter (type, non-type, or template), but not to parameter packs. If the default… … Read more
4 years ago in C++, cbuilder, Code, Default template arguments, function templates, ios, learn c++, programming, RAD Studio, template arguments, template parameter, windows
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Konstantin Tomov
The Indices sample shows you how to use the Indexes property of TFDQuery in order to specify a collection of indexes at design time and determine the data view of each index, including a sort order of the records. Moreover, you… … Read more
4 years ago in android, Code, database, Delphi, firedac, ios, linux, macos, object pascal, programming, Query, RAD Studio, view, windows
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Konstantin Tomov
This sample shows how to use FireMonkey image lists. In the Using TImageList Image Lists as Centralized Collections of Images tutorial, this example is used: To demonstrate how to use the Image List Editor. To describe the code implementing the ActnNextImageExecute event handler… … Read more
4 years ago in android, Code, Delphi, FireMonkey, FMX, image list, ImageList, ios, linux, macos, object pascal, programming, RAD Studio, windows
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Konstantin Tomov
It provides a picture and the user can rotate the picture by pressing it with two fingers and rotating them. The image rotates in the direction of your fingers. If you rotate the fingers to… … Read more
4 years ago in android, Code, Delphi, FMX, Image rotation, ios, object pascal, programming, RAD Studio, rotate, windows
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Pabitra Dash
C++11 standard allows the inline keyword in a namespace-definition. An inline namespace is a namespace that uses the optional keyword inline in its original-namespace-definition. We can see from above example that members of an inline… … Read more
4 years ago in C++, cbuilder, Code, IDE, inline, Inline namespaces, learn c++, namespaces, programming, RAD Studio, windows
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Konstantin Tomov
This sample demonstrates how to use the filter feature of TFDQuery. To this end, the sample implements different preset filters. Moreover, you can edit your own filtering condition and apply the filter to a dataset in order to… … Read more
4 years ago in android, Code, database, Delphi, filter, firedac, ios, linux, macos, object pascal, programming, Query, RAD Studio, vcl, windows
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Konstantin Tomov
First, the CentralizedCachedUpdates sample sets up range-based master-detail relationships between datasets using two TFDQuery objects. Then, the sample shows you how to use a TFDSchemaAdapter object to enable the Centralized Cached Updates mode. To this end, the schema adapter object is used as a central… … Read more
4 years ago in android, CachedUpdates, Code, Delphi, firedac, FMX, ios, linux, macos, object pascal, programming, RAD Studio, vcl, windows
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Pabitra Dash
A deleted function is a function that contains =delete; in its prototype. This construction, introduced with C++11, indicates that the function may not be used. This construction can be used to forbid the usage of default… … Read more
4 years ago in =delete, C++, cbuilder, Code, Delete Function Definition, Deleted functions, IDE, learn c++, programming, RAD Studio, windows
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Konstantin Tomov
The MoniLayerClients sample shows you how to use the FireDAC tracing and monitoring capabilities to show how an application is communicating with a FireDAC monitor client. To this end, the sample uses two different FireDAC monitor clients: FlatFile-client and… … Read more
4 years ago in Code, database, Debug, Delphi, firedac, monitor, object pascal, programming, RAD Studio, Remote, windows
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Pabitra Dash
BCC32 includes support for explicit conversion operators, one of the features in the C++11 standard. The explicit constructors and conversion operators are used to avoid implicit conversions to and from a type. You can now… … Read more
4 years ago in C++, C++ Explicit, cbuilder, Code, conversion operators, explicit, Explicit conversion operators, learn c++, operators, programming, RAD Studio
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Konstantin Tomov
The xDBMS sample shows you how use the TFDLocalSQL class to implement a cross-DBMS query application. To this end, each queryable dataset must be registered with the Local SQL engine using the DataSets collection property.Note: The Local SQL feature allows executing SQL commands, where… … Read more
4 years ago in android, Code, Delphi, firedac, ios, linux, macos, object pascal, programming, RAD Studio, SQL, SQLite, windows
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Pabitra Dash
Initializer lists is a feature that has been extended in C++11 standard. An initializer list represents a list of ordered arguments, in curly brackets, that is used to initialize structures, classes and arrays. Until C++… … Read more
4 years ago in Brace-Initialization, C++, cbuilder, Code, Initializer lists, learn c++, programming, Sequence Constructors, STL container, windows
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