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JavaScript check if variable exists (is defined/initialized)
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Actually, you should check that the object is what you need it to be. So that would be if( typeof console == 'object' ) { // variable is what I need it to be }
– staticsan
Feb 6 '09 at 6:14
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ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
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Just what I needed... but not everyone has version 5.5 of server. use dpkg --get-selections | grep sql to get your version
– Balmipour
Sep 10 '15 at 11:18
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How to escape regular expression special characters using javascript? [duplicate]
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What's special on ','? Just curious.
– Viliam
May 20 '13 at 14:10
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.NET - Dictionary locking vs. ConcurrentDictionary
...a clerk is currently building the pyramid, all hell would break loose. Or, what if two customers reaches for the same item at the same time, who wins? Will there be a fight? This is a non-threadsafe-collection. There's plenty of ways to avoid problems, but they all require some kind of locking, or r...
MongoDB vs. Cassandra [closed]
I am evaluating what might be the best migration option.
6 Answers
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Can “using” with more than one resource cause a resource leak?
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@WeylandYutani: What are you asking?
– SLaks
Jan 14 '14 at 16:18
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Change the name of a key in dictionary
...her than updating an existing one -- which may not be important, but isn't what was asked.
– martineau
Dec 10 '10 at 17:33
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Volatile Vs Atomic [duplicate]
...r thread sets i to a different value, in worst case i could be set back to whatever it was before by thread A, because it was just in the middle of calculating i + 1 based on the old value, and then set i again to that old value + 1. Explanation:
Assume i = 0
Thread A reads i, calculates i+1, which...
How to add a custom loglevel to Python's logging facility
...don't think that debug() is sufficient. Additionally log(5, msg) isn't what I want. How can I add a custom loglevel to a Python logger?
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How to check if the string is empty?
...yString: block if myString were None, 0, False etc. So if you aren't sure what type myString is, you should use if myString == "": to determine if it is an empty string as opposed to some other falsy value.
– Andrew Clark
Aug 7 '13 at 16:08
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