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What's the difference between a single precision and double precision floating point operation?

...ch precision they can store the numbers. For example: I have to store 123.456789 One may be able to store only 123.4567 while other may be able to store the exact 123.456789. So, basically we want to know how much accurately can the number be stored and is what we call precision. Quoting @A...
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How to POST JSON Data With PHP cURL?

...Lastnameson","phone" => "555-1212", "province" => "ON", "zip" => "123 ABC" ) ); $postdata = json_encode($data); $ch = curl_init($url); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_POST...
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How can Bash execute a command in a different directory context?

... Using a subshell is a much better solution – josh123a123 Apr 19 '16 at 14:31 For scripting, a subshell is probably...
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Formatting a number with exactly two decimals in JavaScript

...); // Returns 1.27 This genericity also provides some cool stuff: round(1234.5678, -2); // Returns 1200 round(1.2345678e+2, 2); // Returns 123.46 round("123.45"); // Returns 123 Now, to answer the OP's question, one has to type: round(10.8034, 2).toFixed(2); // Returns "10.80" round...
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Can I convert a C# string value to an escaped string literal

... Does not work. If I have "abc\n123" (without quotes, 8 chars), I want "abc" + \n + "123" (7 chars). Instead it produces "abc" + "\\" + "\n123" (9 chars). Notice the slash was doubled and it still contains a string literal of "\n" as two characters, not t...
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Is it possible to define more than one function per file in MATLAB, and access them from outside tha

...t;> makefuns ans = Done importing functions to workspace >> fun1(123) ans = 123 >> fun2() ans = 1 share | improve this answer | follow ...
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A regular expression to exclude a word/string

...ropagate the query string too? So if someone visits mydomain.com/hello?abc=123 I'd like it to rewrite to mydomain.com/Profile.aspx?id=hello&abc=123 I'm also a bit unsure about the performance of (.+) at the end to capture the querystring in the original request. – romiem ...
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C99 stdint.h header and MS Visual Studio

...kipedia article, the link authorization is:username: guest, password: guest123 – JPaget Sep 13 '12 at 23:19 Grand tota...
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CSS \9 in width property

... \0 instead of \9 will apply it to IE10 as well – abc123 Oct 9 '13 at 21:26 21 @abc123 lets hope ...
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Check if a string contains a string in C++

... 123 You can try using the find function: string str ("There are two needles in this haystack."); ...