大约有 32,000 项符合查询结果(耗时:0.0366秒) [XML]

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selecting unique values from a column

...licates BTW: using explicit column names in SELECT uses less resources in PHP when you're getting a large result from MySQL share | improve this answer | follow ...
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How to get year/month/day from a date object?

...Use the Date get methods. http://www.tizag.com/javascriptT/javascriptdate.php http://www.htmlgoodies.com/beyond/javascript/article.php/3470841 var dateobj= new Date() ; var month = dateobj.getMonth() + 1; var day = dateobj.getDate() ; var year = dateobj.getFullYear(); ...
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How do you check “if not null” with Eloquent?

...on - ".....\vendor\laravel\framework\src\Illuminate\Database\Query\Builder.php" – Atiqur Oct 2 '16 at 5:05 ...
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jQuery convert line breaks to br (nl2br equivalent)

...([^>\r\n]?)(\r\n|\n\r|\r|\n)/g, '$1'+ breakTag +'$2'); } http://phpjs.org/functions/nl2br:480 share | improve this answer | follow | ...
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无人驾驶汽车大难题 人工智能同人的差距显著 - 资讯 - 清泛网 - 专注C/C++...

...自动驾驶的时间节点。不过,法律可能是其绕不开的一大问题。 据了解,在美国只有加州、佛罗里达州以及内华达州通过了相关的法律法规,允许自动驾驶汽车上路测试。不过其同时也要求车内必须有人并持有驾照,能在紧急...
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Format bytes to kilobytes, megabytes, gigabytes

... return round($bytes, $precision) . ' ' . $units[$pow]; } (Taken from php.net, there are many other examples there, but I like this one best :-) share | improve this answer | ...
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Apache Prefork vs Worker MPM

...he earlier, threadsafe model. Worker is multi-threaded, and event supports php-mpm which is supposed to be a better system for handling threads and requests. However, your results may vary, based on configuration. I've seen a lot of instability in php-mpm and not any speed improvements. An aggress...
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How do I make a text input non-editable?

...nt input to be shown, but totally disabled (even processing languages like PHP wont be able to read those). share | improve this answer | follow | ...
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How do I redirect with JavaScript? [duplicate]

... you're using same origin policies like an iframe. – phpvillain Mar 17 '16 at 1:40 ...
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Why is textarea filled with mysterious white spaces?

... Open (and close!) your PHP tags right after, and before, your textarea tags: <textarea style="width:350px; height:80px;" cols="42" rows="5" name="sitelink"><?php if($siteLink_val) echo $siteLink_val; ?></textarea> ...