Tutorial by Topics: and

GRANT [privilege1] [, [privilege2] ... ] ON [table] TO [grantee1] [, [grantee2] ... ] [ WITH GRANT OPTION ] REVOKE [privilege1] [, [privilege2] ... ] ON [table] FROM [grantee1] [, [grantee2] ... ] Grant permissions to users. If the WITH GRANT OPTION is specified, the grantee additionally g...

There are some means to chain commands together. Simple ones like just a ; or more complex ones like logical chains which run depending on some conditions. The third one is piping commands, which effectively hands over the output data to the next command in the chain.

Make sure that your automation does not use adb kill-server command.

This example has a datepicker for the 'Start Date', an input for the 'Duration' (in weeks) and a second datepicker that is disabled for user input as it is updated on change of either the first datepicker or the duration inputs.

These are two sample programs that work together. One is a simple server, the other a simple client. Start the server in one window: python tserver.py Edit the server address in the client source file if desired. Then run python tclient.py The client connects to the server, then asks for i...

Node.js uses streams to handle incoming data. Quoting from the docs, A stream is an abstract interface for working with streaming data in Node.js. The stream module provides a base API that makes it easy to build objects that implement the stream interface. To handle in request body of a PO...

The value null is the default value for an uninitialized value of a field whose type is a reference type. NullPointerException (or NPE) is the exception that is thrown when you attempt to perform an inappropriate operation on the null object reference. Such operations include: calling an inst...

The Scripting.FileSystemObject is much more robust that the legacy methods in this topic. It should be preferred in almost all cases.

The CoordinatorLayout is a super-powered FrameLayout and goal of this ViewGroup is to coordinate the views that are inside it. The main appeal of the CoordinatorLayout is its ability to coordinate the animations and transitions of the views within the XML file itself. CoordinatorLayout is intended...

When something happens inside Bukkit, an Event is called so every plugin can decide what to do whenever something happens. An Event is called when a player tries to play a block, when an entity despawn, when someone logs in... Plugins can listen to specific events and deal with it in many different...

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

PowerShell modules bring extendibility to the systems administrator, DBA, and developer. Whether it’s simply as a method to share functions and scripts. Powershell Functions are to avoid repitetive codes. Refer [PS Functions][1] [1]: PowerShell Functions PowerShell Scripts are used for automating...

collectgarbage(gcrule [, gcdata]) -- collect garbage using gcrule setmetatable(tab, {__mode = weakmode}) -- set weak mode of tab to weakmode parameterdetailsgcrule & gcdataAction to gc (garbage collector): "stop" (stop collecting), "restart" (start collecting again),...

In iText 5, we introduced the concept of page events to allow developers to add specific behavior when a document is opened, when a new page is opened, when a page ends, and when a document is closed. In the documentation, we made it very clear that it was forbidden to add content in the onStartP...

java [ <opt> ... ] <class-name> [ <argument> ... ] java [ <opt> ... ] -jar <jar-file-pathname> [ <argument> ... ] The java command is used for running a Java application from the command line. It is available as a part of any Java SE JRE or JDK....