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How SignalR works internally?
...ut how the long polling transport works in particular:
It sends an ajax request to the server that's waiting asynchronously for a signal to respond. When there is a signal or the request times out, it returns from the server and sends another request and the process continues. (I left some details ...
How do you run a crontab in Cygwin on Windows?
...tic and contradictory can't switch user context even though the explicit request was made NOT to use other accounts. Account switching with cron on cygwin is apparently MANDATORY. You must say NO to running as yourself...
– user3338098
Apr 27 '15 at 21:43
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Why are variables “i” and “j” used for counters?
I know this might seem like an absolutely silly question to ask, yet I am too curious not to ask...
23 Answers
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How can one use multi threading in PHP applications
... A -finish
Real World Example
error_reporting(E_ALL);
class AsyncWebRequest extends Thread {
public $url;
public $data;
public function __construct($url) {
$this->url = $url;
}
public function run() {
if (($url = $this->url)) {
/*
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How do I programmatically determine if there are uncommitted changes?
...it diff-index worked for him:
git update-index --refresh
git diff-index --quiet HEAD --
A more precise option would be to test git status --porcelain=v1 2>/dev/null | wc -l, using the porcelain option.
See Myridium's answer.
(nornagon mentions in the comments that, if there are files that have ...
How to create a directory using nerdtree
...time I need to create a new directory I need to go to terminal. Is there a quick and easy way to create a directory using NERDTree.
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How to convert std::string to LPCWSTR in C++ (Unicode)
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(Found this question browsing randomly; it's been a long time since I did C++.) So the standard library doesn't have std::string -> std::wstring conversion? That seems weird; is there a good reason?
– Domenic
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Is there a RegExp.escape function in Javascript?
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@Paul: Perl quotemeta (\Q), Python re.escape, PHP preg_quote, Ruby Regexp.quote...
– bobince
Oct 3 '13 at 10:24
14
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Different dependencies for different build profiles
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To quote the Maven documentation on this:
A profile element contains both an optional activation (a profile trigger) and the set of changes to be made to the POM if that profile has been activated. For example, a project built ...
How to find list intersection?
...is solution is if you need to retain duplicates. If you can be sure of uniqueness, then an O(n) set solution would be better. However, if duplicates are not possible, why is the OP even talking about lists to begin with? The notion of list intersection is a mathematical absurdity
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