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How to determine if a string is a number with C++?

...If you need to detect negative integers or fractions, you should go with a more robust library-based solution. Although, adding support for negative integers is pretty trivial. share | improve this...
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Best practice multi language website

...the language. But if you end up with 2 (example: Russian and Ukrainian) or more possibilities .. or 0 possibilities, as a case might be. You will have to use cookie and/or header to find the correct option. And if all else fails, you pick the site's default language. Language as parameter The altern...
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AsyncTask threads never die

... with ThreadPoolExecutor. It will have from 5 to 128 threads. If there are more than 5 threads, those extra threads will stick around for at most 10 seconds before being removed. (note: these figures are for the presently-visible open source code and vary by Android release). Leave the AsyncTask th...
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How do I download a file over HTTP using Python?

...st basic way to use the library, minus any error handling. You can also do more complex stuff such as changing headers. On Python 2, the method is in urllib2: import urllib2 response = urllib2.urlopen('http://www.example.com/') html = response.read() ...
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How can I echo a newline in a batch file?

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twig: IF with multiple conditions

...e used respectively. I'd also use parentheses to denote the two statements more clearly although this isn't technically a requirement. {%if ( fields | length > 0 ) or ( trans_fields | length > 0 ) %} Expressions Expressions can be used in {% blocks %} and ${ expressions }. Operator Des...
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How to import other Python files?

...rgument for relative imports. Update: Answer below is outdated. Use the more recent alternative above. Just import file without the '.py' extension. You can mark a folder as a package, by adding an empty file named __init__.py. You can use the __import__ function. It takes the module name as a ...
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How to download a file with Node.js (without using third-party libraries)?

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How to think in data stores instead of databases?

... like an enormous map or sorted list. Querying, as you alluded to, is much more limited. No joins, for a start. The key thing to realise - and the reason behind both these differences - is that Bigtable basically acts like an enormous ordered dictionary. Thus, a put operation just sets the value fo...
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node.js global variables?

... Could you provide a little bit more information please? Is this part of javascript or part of node? Is it a good pattern to follow? As in should I do this or should I use express set? Thanks – Harry Mar 28 '11 at 3:34...