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Usually each container should hosts one process. In case you need multiple processes in one container (e.g. an SSH server to login to your running container instance) you could get the idea to write you own shell script that starts those processes. In that case you had to take care about the SIGNA...

AutoHotkey used to heavily rely on labels until version 1.1.20. It's reliance on labels had very serious disadvantages. The main one being that labels usually execute in the global scope meaning that any variable defined within a label will be globally available. This sounds great until you realiz...

Dictionaries in Tcl are values that hold a mapping from arbitrary values to other arbitrary values. They were introduced in Tcl 8.5, though there are limited versions for (the now unsupported) Tcl 8.4. Dictionaries are syntactically the same as lists with even numbers of elements; the first pair o...

NullReferenceException is thrown whenever a variable is empty and one of its method/properties are referenced. To avoid this, be sure all variables are initialized correctly (new operator), and all methods returns a non-null value.

Java comes with a powerful and flexible mechanism for localizing your applications, but it's also easy to misuse and wind up with a program that disregards or mangles the user's locale, and therefore how they expect your program to behave. Your users will expect to see data localized to the form...

MY_CONSTANT_NAME = "my value" Constants are useful in Ruby when you have values that you do not want to be mistakenly changed in a program, such as API keys.

As RestyGWT is a GWT generator, it will automatically create the implementation of your client interface. Under the hood it will use the RequestBuilder class to implement your calls.

A text object in Vim is another way to specify a chunk of text to operate on. They can be used with operators or in visual mode, instead of motions.

List of string functions (Alphabetically sorted): Ascii Char Charindex Concat Difference Format Left Len Lower Ltrim Nchar Patindex Quotename Replace Replicate Reverse Right Rtrim Soundex Space ...

The binary serialization engine is part of the .NET framework, but the examples given here are specific to C#. As compared to other serialization engines built into the .NET framework, the binary serializer is fast and efficient and usually requires very little extra code to get it to work. Howe...