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Understanding Apache's access log

... Mark Amery 98.9k4848 gold badges336336 silver badges379379 bronze badges answered Feb 10 '12 at 21:11 Joachim Is...
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Using str_replace so that it only acts on the first match?

...n preg_replace($from, $to, $content, 1); } echo str_replace_first('abc', '123', 'abcdef abcdef abcdef'); // outputs '123def abcdef abcdef' The magic is in the optional fourth parameter [Limit]. From the documentation: [Limit] - The maximum possible replacements for each pattern in each s...
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How to convert C# nullable int to int

... 98 You can use the Value property for assignment. v2 = v1.Value; ...
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How do I parse a string into a number with Dart?

...ing into an integer with int.parse(). For example: var myInt = int.parse('12345'); assert(myInt is int); print(myInt); // 12345 Note that int.parse() accepts 0x prefixed strings. Otherwise the input is treated as base-10. You can parse a string into a double with double.parse(). For example: va...
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Round to at most 2 decimal places (only if necessary)

... If the value is a text type: parseFloat("123.456").toFixed(2); If the value is a number: var numb = 123.23454; numb = numb.toFixed(2); There is a downside that values like 1.5 will give "1.50" as the output. A fix suggested by @minitech: var numb = 1.5; numb = +nu...
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How long does it take for GitHub page to show changes after changing index.html

...st it (or break a cache) you can append a query string like myfile.jpg?ver=123 and every time you update the string the cache will bust, and you can verify that the CDN is updating. – Joel Glovier Dec 19 '16 at 14:10 ...
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How can I check if a jQuery plugin is loaded?

... 98 If we're talking about a proper jQuery plugin (one that extends the fn namespace), then the pro...
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What is a non-capturing group in regular expressions?

... [] is a set; [123] matches any char inside the set once; [^123] matches anything NOT inside the set once; [^/\r\n]+ matches one or more chars that are different from /, \r, \n. – Ricardo Nolde Jun 5 ...
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What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?

...nternal method, and thus can't be instantiated, e.g. var f = a => a; f(123); // 123 new f(); // TypeError: f is not a constructor share | improve this answer | follow ...
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An error occurred while validating. HRESULT = '8000000A'

... 123 Update for those who got this issue for VS2013 or VS2015 after upgrading a VS200X setup projec...