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What is non-blocking or asynchronous I/O in Node.js?
... second queue and the main thread will continue running (it doesn't wait). Now when the DB operation completes and returns, the corresponding callback pulled out of the second queue and queued in a third queue where they are pending execution. When the engine gets a chance to execute something else ...
What is a mutex?
...rom a thread, it merely gives it to you, and lock() returns - the mutex is now yours and only yours. Nobody else can steal it, because calling lock() will block him. There is also try_lock() that will block and return true when mutex is yours and immediately false if mutex is in use.
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Explaining Apache ZooKeeper
...the client that created it disconnects. This is mainly useful in order to know when a client fails, which may be relevant when the client itself has responsibilities that should be taken by a new client. Taking the example of the lock, as soon as the client having the lock disconnects, the other cli...
Opacity of div's background without affecting contained element in IE 8?
...lists a few other browsers it doesn't work in, but they're all very old by now; all browsers in current use except IE6/7/8 will work with rgba colours.
The good news is that you can force IE to work with this as well, using a hack called CSS3Pie. CSS3Pie adds a number of modern CSS3 features to old...
How to load up CSS files using Javascript?
...his is quite more complex to do reliably. The popular Javascript libraries now usually have some form of loading javascript and stylesheets with a callback. As an example, see YUI Get.
– user58777
Aug 5 '12 at 12:42
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Opening project in Visual Studio fails due to nuget.targets not found error
...instead.
Click Ok on the warning.
Close and re-open the solution.
Should now be hunky-dory.
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How does the Windows Command Interpreter (CMD.EXE) parse scripts?
....5) Execute Redirection: Any redirection that was discovered in phase 2 is now executed.
The results of phases 4 and 5 can impact the redirection that was discovered in phase 2.
If the redirection fails, then the remainder of the command is aborted. Note that failed redirection does not set ERRORL...
Getting Http Status code number (200, 301, 404, etc.) from HttpWebRequest and HttpWebResponse
...n this manner poorly designed exceptions could be wrapped and ignored. But now a registry setting is required
– crokusek
Oct 11 '17 at 2:36
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qmake: could not find a Qt installation of ''
...t4-qmake' instead of 'qmake' (I found both of them in the directory path). Now its working :)
– Curious
May 17 '13 at 12:00
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Converting Symbols, Accent Letters to English Alphabet
The problem is that, as you know, there are thousands of characters in the Unicode chart and I want to convert all the similar characters to the letters which are in English alphabet.
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