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Why does SIGPIPE exist?
...en the write fails with EPIPE, not beforehand - in fact one safe way to avoid SIGPIPE without changing global signal dispositions is to temporarily mask it with pthread_sigmask, perform the write, then perform sigtimedwait (with zero timeout) to consume any pending SIGPIPE signal (which is sent to t...
Why does git perform fast-forward merges by default?
...to revert a group of commits.
Warning: Non-fast-forwarding has potential side effects as well. Please review https://sandofsky.com/blog/git-workflow.html, avoid the 'no-ff' with its "checkpoint commits" that break bisect or blame, and carefully consider whether it should be your default approach fo...
reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?
...
There are numerous questions here. Considering them one at a time:
reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?
Reference assignment is atomic. Interlocked.Exchange does not do only reference assignment. It does a...
How to get function parameter names/values dynamically?
... vikasde wants the parameter values in an array also. This is already provided in a local variable named arguments.
excerpt from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions_and_function_scope/arguments:
The arguments object is not an Array. It is similar to an Ar...
What does it mean that Javascript is a prototype based language?
One of the major advantages with Javascript is said to be that it is a prototype based language.
7 Answers
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Choose between ExecutorService's submit and ExecutorService's execute
... task for execution and returns a Future representing that
task.
void execute(Runnable command)
Executes the given command at some time in the future. The command may execute in a new thread, in a pooled thread, or in the calling thread, at the discretion of the Executor implementation....
Error in Swift class: Property not initialized at super.init call
....” iBooks.
https://itunes.apple.com/us/book/swift-programming-language/id881256329?mt=11
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How to change fontFamily of TextView in Android
So I'd like to change the android:fontFamily in Android but I don't see any pre-defined fonts in Android. How do I select one of the pre-defined ones? I don't really need to define my own TypeFace but all I need is something different from what it shows right now.
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Default constructor vs. inline field initialization
...itialisers and constructors, the constructor code executes second and overrides an initialised value)
Initialisers are good when you always need the same initial value (like in your example, an array of given size, or integer of specific value), but it can work in your favour or against you:
If yo...
Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
...ehalem: it often has a hard time keeping its execution units busy. Sandybridge's introduction of the uop cache increased frontend throughput a huge amount. Aligning branch targets is done because of this issue, but it affects all code.
– Peter Cordes
Dec 7 '1...