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In object-oriented programming, objects often depend on other objects in order to do things. Dependency Injection (DI) is giving an object the things that it depends on so that it doesn't have to worry about getting them itself. That is, the dependencies are injected into the object. This is most...

A Warning on Filename Encoding It should be worth mentioning that Filename Encoding is not only platform specific but also filesystem specific. It is never entirely safe to assume (but often usually is) that just because you can encode and write to a given filename, that when you later try t...

Loader is good choice for prevent memory leak if you want to load data in background when oncreate method is called. For example when we execute Asynctask in oncreate method and we rotate the screen so the activity will recreate which will execute another AsyncTask again, so probably two Asyntask ...

Transactions Transactions need to be used immediately after they're created. If they aren't used in the current event loop (basically before we wait for anything like a web request) they'll go into an inactive state where you can't use them. Databases can only have one transaction that writes ...

count(node-set) functionreturnscounttotal number of nodes in the node set We can use this in combination of other functions and axes to suit our needs.

This section provides an overview of what asp.net-identity is, and why a developer might want to use it. It should also mention any large subjects within asp.net-identity, and link out to the related topics. Since the Documentation for asp.net-identity is new, you may need to create initial vers...

This section provides an overview of what vscode is, and why a developer might want to use it. It should also mention any large subjects within vscode, and link out to the related topics. Since the Documentation for vscode is new, you may need to create initial versions of those related topics. ...

The annotations package includes a number of useful metadata annotations you can decorate your own code with, to help catch bugs. Just add the dependency in the build.gradle file. dependencies { compile 'com.android.support:support-annotations:25.3.1' }