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How can I find the length of a number?
I'm looking to get the length of a number in JavaScript or jQuery?
13 Answers
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How can I ensure that a division of integers is always rounded up?
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UPDATE: This question was the subject of my blog in January 2013. Thanks for the great question!
Getting integer arithmetic correct is hard. As has been demonstrated amply thus far, the moment you try to do a "clever" trick, odds are good that you've made a mistake. And when a flaw is found, ch...
Best way to specify whitespace in a String.Split operation
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If you just call:
string[] ssize = myStr.Split(null); //Or myStr.Split()
or:
string[] ssize = myStr.Split(new char[0]);
then white-space is assumed to be the splitting character. From the string.Split(char[]) method's documentation page.
If the separator parameter is null or co...
How to See the Contents of Windows library (*.lib)
... functions and data objects in the library. If you're talking about an import library (a .lib used to refer to symbols exported from a DLL), then you want DUMPBIN /EXPORTS.
Note that for functions linked with the "C" binary interface, this still won't get you return values, parameters, or calling ...
PHP - How to check if a string contains a specific text [duplicate]
...'some text' ) !== false ) echo 'text';
Note that my use of the !== operator (instead of != false or == true or even just if( strpos( ... ) ) {) is because of the "truthy"/"falsy" nature of PHP's handling of the return value of strpos.
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I get exception when using Thread.sleep(x) or wait()
I have tried to delay - or put to sleep - my Java program, but an error occurs.
13 Answers
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Arrays, heap and stack and value types
...ay. As they are value types, I'd guess they'd have to be boxed, as I can, for example, pass myIntegers to other parts of the program and it'd clutter up the stack if they were left on it all the time. Or am I wrong? I'd guess they'd just be boxed and would live on the heap for as long the array exis...
What is the optimal algorithm for the game 2048?
...ve, a new tile appears at random empty position with a value of either 2 or 4 . The game terminates when all the boxes are filled and there are no moves that can merge tiles, or you create a tile with a value of 2048 .
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How to create a self-signed certificate with OpenSSL
I'm adding HTTPS support to an embedded Linux device. I have tried to generate a self-signed certificate with these steps:
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How to reverse a 'rails generate'
... and roll back any changes made, but not necessarily to the database, but more to the config files.
17 Answers
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