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Android : Check whether the phone is dual SIM

... Update 23 March'15 : Official multiple SIM API is available now from Android 5.1 onwards Other possible option : You can use Java reflection to get both IMEI numbers. Using these IMEI numbers you can check whether the phone is a DUAL SIM or not. Try following activity : import andro...
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Why is isNaN(null) == false in JS?

...pts to convert the passed parameter to a number1 (equivalent to Number(x)) and then tests if the value is NaN. If the parameter can't be converted to a number, Number(x) will return NaN2. Therefore, if the conversion of parameter x to a number results in NaN, it returns true; otherwise, it returns f...
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Why are function pointers and data pointers incompatible in C/C++?

I have read that converting a function pointer to a data pointer and vice versa works on most platforms but is not guaranteed to work. Why is this the case? Shouldn't both be simply addresses into main memory and therefore be compatible? ...
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How to recursively find the latest modified file in a directory?

...n BSD, the options for formatting is different (-f "%m %N" it would seem) And I missed the part of plural; if you want more then the latest file, just bump up the tail argument. share | improve thi...
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How to perform static code analysis in php? [closed]

... Run php in lint-mode from the command line to validate syntax without execution: php -l FILENAME Higher-level static analyzers include: php-sat - Requires http://strategoxt.org/ PHP_Depend PHP_CodeSniffer PHP Mess Detector PHPStan PHP-CS-Fixer phan Lowe...
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For loop for HTMLCollection elements

...x. So, to get the value from the pseudo-array, you'd have to do list[key] and to get the id, you'd do list[key].id. But, you should not be doing this with for/in in the first place. Summary (added in Dec 2018) Do not ever use for/in to iterate a nodeList or an HTMLCollection. The reasons to avo...
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Should I compile release builds with debug info as “full” or “pdb-only”?

..., or pdb-only. Based on the answer to this question , I believe I understand some of the differences between full and pdb-only. However, which is more appropriate for a release build? If I use "full" will there be performance ramifications? If I use "pdb-only" will it be harder to debug product...
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How to replace multiple white spaces with one white space

... This question isn't as simple as other posters have made it out to be (and as I originally believed it to be) - because the question isn't quite precise as it needs to be. There's a difference between "space" and "whitespace". If you only mean spaces, then you should use a regex of " {2,}". If ...
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How many bytes does one Unicode character take?

...ough it sure does try. Unicode itself is a mapping, it defines codepoints and a codepoint is a number, associated with usually a character. I say usually because there are concepts like combining characters. You may be familiar with things like accents, or umlauts. Those can be used with another ch...
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Git error when trying to push — pre-receive hook declined

When I try and push a change I've commited, I get the following error ... 27 Answers 2...