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How do you iterate through every file/directory recursively in standard C++?

...e to the standard. An example, taken straight from the website: bool find_file( const path & dir_path, // in this directory, const std::string & file_name, // search for this name, path & path_found ) // placing path here if found { ...
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Set select option 'selected', by value

... easier way that doesn't require you to go into the options tag: $("div.id_100 select").val("val2"); Check out the this jQuery method. share | improve this answer | follow...
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How can I copy the output of a command directly into my clipboard?

...X, use pbcopy; pbpaste goes in the opposite direction. pbcopy < .ssh/id_rsa.pub share | improve this answer | follow | ...
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append to url and refresh page

... a URL in different browsers? This is my suggested approach: function URL_add_parameter(url, param, value){ var hash = {}; var parser = document.createElement('a'); parser.href = url; var parameters = parser.search.split(/\?|&/); for(var i=0; i < paramete...
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Detect when browser receives file download

...the cookie to be exposed to JavaScript. $this->setCookieToken( $TOKEN, $_GET[ $TOKEN ], false ); $result = $this->sendFile(); Where: public function setCookieToken( $cookieName, $cookieValue, $httpOnly = true, $secure = false ) { // See: http://stackoverflow.com/a/1459794/59087 ...
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Scala: write string to file in one statement

....write(Paths.get("file.txt"), "file contents".getBytes(StandardCharsets.UTF_8)) I think this is by far the simplest and easiest and most idiomatic way, and it does not need any dependencies sans Java itself. share ...
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Convert Python dictionary to JSON array

... If you are fine with non-printable symbols in your json, then add ensure_ascii=False to dumps call. >>> json.dumps(your_data, ensure_ascii=False) If ensure_ascii is false, then the return value will be a unicode instance subject to normal Python str to unicode coercion rules in...
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How do you manage databases in development, test, and production?

... Name your databases as follows - dev_<<db>> , tst_<<db>> , stg_<<db>> , prd_<<db>> (Obviously you never should hardcode db names Thus you would be able to deploy even the different type of db's on same physical ...
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Code Golf - π day

... Perl, 95 96 99 106 109 110 119 characters: $t+=$;=1|2*sqrt($r**2-($u-2*$_)**2),say$"x($r-$;/2).'*'x$;for 0.. ($u=($r=<>)-1|1);say$t*2/$r**2 (The newline can be removed and is only there to avoid a scrollbar) Yay! Circle version! $t+=$;= 1|2*sqrt($r** 2-($u-2*$_)**2) ,say$"x($r-$;/2 )....
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How to use getJSON, sending data with post method?

...is the callback GET value. In PHP the implementation would be like: print_r($_GET['callback']."(".json_encode($myarr).");"); I made some cross-domain tests and it seems to work. Still need more testing though. share ...