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Inserting multiple rows in mysql
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When loading a table from a text file, use LOAD DATA INFILE. This is usually 20 times faster than using INSERT statements.
Optimizing INSERT Statements
You can find more tips on how to speed up your insert statements on the link above.
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Quora如何在快速开发中保持高品质代码 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...们的审查标准有别。如果潜在的漏洞/错误会造成严重的问题，代价高昂，我们就会改变平时的提交后审查流程，转为提交前审查。典型情况包括：
触及用户隐私和匿名的代码
触及影响大量其他代码的核心抽象
触及基础结构...
新手程序员应该知道的7件事 - 创意 - 清泛网 - 专注C/C++及内核技术
...的甚至是几十年）作为专业软件工程师的工作经验。我的问题是，如果他们现在回过头去，哪些技能和知识是他们第一次以写代码为生的时候就希望能够掌握的。无论你是一个刚毕业刚开始自己第一份开发工作的大学生，还是年...
What is 'YTowOnt9'?
...e64 encoded PHP-serialized values do too, but when they are empty they are all the same. It makes it look as if a lot of very different PHP scripts have this random string in common.
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Echarts透明背景及兼容问题 - 用户反馈 - 清泛IT社区，为创新赋能！
用户反馈wxbit导入失败：高德地图，启动画面等导致。
Echart是自己导入及实现的，背景透明没有效果，最终WebViewPlus拓展解决了。
方法一:
var option={
backgroundColor:'rgba(128, 128, 128, 0.1)' //rgba设置透明度0.1
}
方法二:
va...
How to prevent robots from automatically filling up a form?
... to come up with a good enough anti-spamming mechanism to prevent automatically generated input. I've read that techniques like captcha, 1+1=? stuff work well, but they also present an extra step impeding the free quick use of the application (I'm not looking for anything like that please).
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How to get the next auto-increment id in mysql
... Thanks for the first two options.. But the third is just number two called from PHP.. Not sure what makes that faster on large databases...
– Gerard ONeill
Feb 12 '16 at 15:26
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How to escape a JSON string to have it in a URL?
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I'll offer an oddball alternative. Sometimes it's easier to use different encoding, especially if you're dealing with a variety of systems that don't all handle the details of URL encoding the same way. This isn't the most mainstream approach ...
Deadly CORS when http://localhost is the origin
...lija's comment is correct, adding these headers to localhost will not magically give you access to all other sites. It's the remote site that needs to be served with these headers.
– Rob W
Mar 22 '14 at 22:59
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Can you use if/else conditions in CSS?
... your stylesheet with your favourite server-side language. If you're using PHP, serve a style.css.php file, that looks something like this:
p {
background-position: <?php echo (@$_GET['foo'] == 'bar')? "150" : "4"; ?>px 8px;
}
In this case, you will however have a performance impact, sinc...