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What does $1 [QSA,L] mean in my .htaccess file?

..."/page.php?page=$1" [QSA] With the [QSA] flag, a request for /pages/123?one=two will be mapped to /page.php?page=123&one=two share | improve this answer | ...
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Convert boolean result into number/integer

... 123 Imho the best solution is: fooBar | 0 This is used in asm.js to force integer type. ...
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Difference between freeze and seal

... 123 I wrote a test project which compares these 3 methods: Object.freeze() Object.seal() Object....
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MySQL join with where clause

... in A table which having id null in B table – Veeresh123 Aug 29 '16 at 6:57 @Veeresh123, what are A and B table ? Can ...
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Android adb not found

... I cannot install IA32 libs! Why? – gtr123 Dec 24 '12 at 18:01 1 I got the same err...
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C# Double - ToString() formatting with two decimal places but no rounding

... I suggest you truncate first, and then format: double a = 123.4567; double aTruncated = Math.Truncate(a * 100) / 100; CultureInfo ci = new CultureInfo("de-DE"); string s = string.Format(ci, "{0:0.00}%", aTruncated); Use the constant 100 for 2 digits truncate; use a 1 followed by a...
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When to use ref and when it is not necessary in C#

...mean it's good. It would have been better if rather than if (int.TryParse("123", out var theInt) { /* use theInt */ } we had var candidate = int.TrialParse("123"); if (candidate.Parsed) { /* do something with candidate.Value */ } It is more code, but is much more consistent with the C# language desi...
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How to calculate a time difference in C++

... 123 See std::clock() function. const clock_t begin_time = clock(); // do something std::cout <...
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Export to CSV via PHP

...t;?php $list = array ( array('aaa', 'bbb', 'ccc', 'dddd'), array('123', '456', '789'), array('"aaa"', '"bbb"') ); $fp = fopen('file.csv', 'w'); foreach ($list as $fields) { fputcsv($fp, $fields); } fclose($fp); ?> First you must load the data from the mysql server in to a ar...
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.NET String.Format() to add commas in thousands place for a number

... String.Format("{0:n}", 1234); // Output: 1,234.00 String.Format("{0:n0}", 9876); // No digits after the decimal point. Output: 9,876 share | imp...