大约有 47,000 项符合查询结果（耗时：0.0466秒） [XML]
Check if an array is empty or exists
...iable hoisting. Make sure you use var whenever declaring a variable:
<?php echo "var image_array = ".json_encode($images);?>
// add var ^^^ here
And then make sure you never accidently redeclare that variable later:
else {
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image_array = []; // no var here
}
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How Do I Get the Query Builder to Output Its Raw SQL Query as a String?
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@Stormsson That's not possible because PHP never has the query with the bindings replaced with their values. To get the queries in their entirety you need to log them from MySQL. There's more info here: stackoverflow.com/questions/1786322/…
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Response Content type as CSV
... because you are using compression of data trasnferes. The solution is (in php code)......
header('X-Content-Type-Options: nosniff');
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Laravel 4: how to “order by” using Eloquent ORM [duplicate]
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jquery在线预览PDF文件，打开PDF文件 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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</html>
查看预览：http://sources.ikeepstudying.com/jquery.media/pdf.php
使用jquery.media.js就可以直接把一个连接到pdf文件的链接打开，满足了需求。
项目地址：http://jquery.malsup.com/media/
jquery PDF 在线预览
中文网（自研/维护）拓展 · App Inventor 2 中文网
...不需要回复的可留空~ 请描述您的问题（300字以内）： 给个鼓励也行呐~o~ 提供截图（仅截取当前可视区域...
Is there a standard naming convention for git tags? [closed]
...ackage managers advice to tag versions without prefix v (like composer for PHP projects).
SemVer 2.0 has nothing about tag specification. It's done intentionally due avoiding conflicts. However it's advised to add prefix v in documentation and text references. As example format v1.0.4 instead of ful...
Tri-state Check box in HTML?
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use this url (help.dottoro.com/ljuocesd.php) instead. It shows who supports it (everyone bar opera), since when, and visually displays what it is. People are scared of the spec pages. +1 for this not-a-plugin solution
– Hashbrown
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Best data type for storing currency values in a MySQL database
...rsions of MySQL. It's also easier when you need to bring these values into PHP or something and compare values.
– Dane Bendixen
May 9 '18 at 21:35
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MySQL select 10 random rows from 600K rows fast
...d 2Gb size. See here my code: Fast selection of random rows in MySQL
&lt;?php
$time= microtime_float();
$sql='SELECT COUNT(*) FROM pages';
$rquery= BD_Ejecutar($sql);
list($num_records)=mysql_fetch_row($rquery);
mysql_free_result($rquery);
$sql="SELECT id FROM pages WHERE RAND()*$num_records&lt;2...