大约有 21,000 项符合查询结果(耗时:0.0363秒) [XML]

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Check if option is selected with jQuery, if not select a default

...n> <option value="4">Fourth</option> </select> <script type="text/javascript"> $(document).ready(function() { if (!$("#mySelect option:selected").length) { $("#mySelect option[value='3']").attr('selected', 'selected'); } }); </script> ...
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How to convert timestamps to dates in Bash?

I need a shell command or script that converts a Unix timestamp to a date. The input can come either from the first parameter or from stdin, allowing for the following usage patterns: ...
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Fixing “Lock wait timeout exceeded; try restarting transaction” for a 'stuck" Mysql table?

From a script I sent a query like this thousands of times to my local database: 13 Answers ...
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How can I make Jenkins CI with Git trigger on pushes to master?

...y set up Jenkins with the appropriate plugins. I want Jenkins to run build scripts only whenever someone on the project pushes to master. So far I've been able to set it up so that a build will be triggered anytime anyone pushes to anywhere, but that is too broad. I've done this with post-receive se...
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Does git return specific return error codes?

...ight also help prevent changing the return code meanings (which automation scripts might rely on). share | improve this answer | follow | ...
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How to extract text from a string using sed?

...rectly handle the case of multiple matches on the same line. A complex sed script could be devised for that case, but why bother? – tripleee Jul 20 '12 at 7:28 ...
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What's the difference between JavaScript and JScript?

I have always wondered WHaT tHE HecK?!? is the difference between JScript and JavaScript. 12 Answers ...
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How to loop through array in jQuery?

...e odds are you'd have other problems; details). ES5's forEach: As of ECMAScript5, arrays have a forEach function on them which makes it easy to loop through the array: substr.forEach(function(item) { // do something with `item` }); Link to docs (Note: There are lots of other functions, not...
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How can I let a table's body scroll but keep its head fixed in place?

... well for me. You will have to set the height of the inner table with Java Script, the rest is CSS. share | improve this answer | follow | ...
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Do AJAX requests retain PHP Session info?

... to the server whether it's a regular request or an AJAX request. The Javascript code does not need to do anything special or even to be aware of this happening, it just works the same as it does with regular requests. shar...