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Fastest way to check if a string is JSON in PHP?

... $phone = '021234567'; var_dump(isJson($phone)); return true no! it should return false. – vee Jan 2 '14 at 17:12 ...
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Twitter Bootstrap - how to center elements horizontally or vertically

... Dan Dascalescu 98.2k3636 gold badges263263 silver badges333333 bronze badges answered Apr 22 '14 at 21:47 m0000gm000...
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import module from string variable

...ike importlib.import_module("feature.email") – Seanny123 Dec 6 '13 at 7:13 11 Finally, also remem...
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How do I create a unique constraint that also allows nulls?

...et_AllowNull UNIQUE (TicketID, TicketUnique); If IssueID 1 has ticket 123, the UNIQUE constraint will be on values (123, NULL). If IssueID 2 has no ticket, it will be on (NULL, 2). Some thought will show that this constraint cannot be duplicated for any row in the table, and still allows multip...
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How can I remove the decimal part from JavaScript number?

... Use Math.round() function. Math.round(65.98) // will return 66 Math.round(65.28) // will return 65 share | improve this answer | follow ...
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How to display line numbers in 'less' (GNU)

... Luke Peterson 7,30988 gold badges4040 silver badges4444 bronze badges answered May 6 '09 at 20:56 dirkgentlydirkgently ...
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Jackson - Deserialize using generic class

...ave asked the full question correctly here stackoverflow.com/questions/11659844/… – gnjago Jul 27 '12 at 5:49 what's...
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SVG gradient using CSS

...4 24h168c13 0 24-11 24-24l0-47c0-13-11-24-24-24h-21v-190c0-13-11-23-24-23h-123z"></path> </svg> <svg height="0" width="0"> <defs> <linearGradient id="lgrad-p" gradientTransform="rotate(75)"><stop offset="45%" stop-color="#4169e1"><...
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How can i use iptables on centos 7? [closed]

... 98 RHEL and CentOS 7 use firewall-cmd instead of iptables. You should use that kind of command: #...
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Why can't an anonymous method be assigned to var?

...you like to be inferred for the following cases? var x1 = (ref int y)=>123; There is no Func<T> type that takes a ref anything. var x2 = y=>123; We don't know the type of the formal parameter, though we do know the return. (Or do we? Is the return int? long? short? byte?) var x3 =...