Tutorial by Topics: me

Mercurial is a modern, open-source, distributed version control system. You may have heard of git, which is somewhat more popular today; git and Mercurial are very comparable and offer mostly similar functionality. Developers use Mercurial to keep track of changes to the source code of their appl...

An error 1009 is a general error that arises when you are trying to receive a value out of a variable or property that has a value of null. The examples provided expose various cases where this error arises, together with some recommendations on how to mitigate the error. The dreaded and often ask...

AttributeDetailswidthSets the element's width in pixels.heightSets the element's height in pixels.<source>Defines resources of the audio or video filestrackDefines the text track for media elementscontrolsDisplays controlsautoplayAutomatically start playing the medialoopPlays the media in a ...

Assuming a class named Class... type *ptr = &Class::member; // Point to static members only type Class::*ptr = &Class::member; // Point to non-static Class members For pointers to non-static class members, given the following two definitions: Class instance; Class *...

Official documentation Message Passing Native Messaging chrome.runtime API (most messaging functions and all messaging events)

IEnumerable is the base interface for all non-generic collections like ArrayList that can be enumerated. IEnumerator<T> is the base interface for all generic enumerators like List<>. IEnumerable is an interface which implements the method GetEnumerator. The GetEnumerator method returns ...

// Single line comment (continues until line break) /* Multi line comment */ <!-- Single line comment starting with the opening HTML comment segment "<!--" (continues until line break) --> Single line comment starting with the closing HTML comment segment "-->" ...

XPath 1.0 doesn't have the concept of a default namespace. Also, the namespace prefixes defined in the original XML document do not affect XPath - namespace prefixes have to be explicitly registered with the XPath provider, otherwise prefixes can't be used at all in the XPath expression.

The -- style of comment, which requires a trailing space, differs in behavior from the SQL standard, which does not require the space.