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Git's reflog records the position of HEAD (the ref for the current state of the repository) every time that it is changed. Generally, every operation that might be destructive involves moving the HEAD pointer (since if anything is changed, including in the past, the tip commit's hash will change)...

/* all versions */ for ([expression]; [expression]; [expression]) one_statement for ([expression]; [expression]; [expression]) { zero or several statements } while (expression) one_statement while (expression) { zero or several statements } do one_statement while (expression); do { one o...

History The Symantec JIT compiler was available in the Sun Java from 1.1.5 onwards, but it had problems. The Hotspot JIT compiler was added to Sun Java in 1.2.2 as a plugin. In Java 1.3, JIT was enabled by default. (Source: When did Java get a JIT compiler?

As at the time of writing (Aug '16), parent selector (&) always refers to the full parent selector chain right till the top most level. It cannot be used to select just the immediate parent or the root most ancestor alone. That is, in the below code &#type1 would resolve to #demo-containe...

Dependencies: If application uses third party libraries or cocoa pods, then those libraries or pods are needed to be install for test as well. Test class (Test Suit) extends XCTestCase. Get brushed up before starting: All test classes have two methods in common setUp & tearDown. ...

The Task Parallel Library is set of public types and APIs that dramatically simplify the process of adding parallelism and concurrency to an application. .Net. TPL was introduced in .Net 4 and is the recommended way to write multi threaded and parallel code. TPL takes care of work scheduling, thr...

constant(name, value); value(name, value); factory(name, $getFn); service(name, constructor); provider(name, provider); Providers are singleton objects that can be injected, for example, into other services, controllers and directives. All providers are registered using different "...

ParameterdetailsauthorAuthor of the packageexamplesThe following lines will be examples on how to use the documented functionexportTo export the function - i.e. make it callable by users of the packageimportPackage(s) namespace(s) to importimportFromFunctions to import from the package (first name ...

Useful Apple documentation with examples and clarification.