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How do I check if a directory exists? “is_dir”, “file_exists” or both?
...ent, but it's not a dir
//do something with file - delete, rename, etc.
unlink('file'); //for example
mkdir('file', NEEDED_ACCESS_LEVEL);
}
} else { //no file exists with this name
mkdir('file', NEEDED_ACCESS_LEVEL);
}
...
What is the difference/usage of homebrew, macports or other package installation tools? [closed]
...local for Homebrew. Apple has left /usr/local for "executables, libraries, etc. not included by the basic operating system". That means it's possible that tools installed prior to using Homebrew may have created /usr/local such that it can't be modified without sudo. They don't discuss that at the w...
Biggest advantage to using ASP.Net MVC vs web forms
... there is an abundance of information with regards to questions, problems, etc. Offers more third-party control - need to consider your existing toolkits.
ASP.NET MVC:
Separation of concerns (SoC)
• From a technical standpoint, the organization of code within MVC is very clean, organized an...
How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
...3. So my production code looks like:
$i=11263;
while($i>08448){
...etc...
You can look up the blocks of Unicode by type here:
http://unicode-table.com/en/
If you know you're translating Arabic or Telegu or whatever, you can just replace those codes, not all 65,000.
You could apply this s...
廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...同时读写可能会有IO异常,导致drbd设备失效
为了解决这个问题则使用 gfs + cman 实现分布式文件锁方案
3.3安装cman
yum –y cman
3.4 gfs集群文件系统
在 /usr/local/drbd-utils-8.9.4/etc/drbd.conf
在配置文件的 net 选项中
all...
Gradients in Internet Explorer 9
...he gradient, or make it more sophisticated (radial gradients, transparency etc.) but this is great for those simple (vertical) linear gradients.
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Apache VirtualHost 403 Forbidden
...
I've added this directive to /etc/apache2/apache2.conf and it helped, thank you!
– DmitMedv
Sep 26 '15 at 20:58
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新浪是如何分析处理32亿条实时日志的？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...Checklist。
随着用户数据的不断增长，index管理也成了大问题，我们需要基于大量不同的用户配置定期的create、optimize、close、delete、snapshot不同的index，在某个服务器上手工配置crontab已是不可能，而且cron是单点。于是我们开发...
【PM干货】2015年阿里业务型PM笔试题 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...界面优化方案。
3、淘宝过程中经常存在用户信息泄露的问题，而快递公司必须知道买家的联系方式，淘宝商家利用这个联系方式向用户发送营销信息。
请设计一个流程来改善这个问题，必须包括：
1）分析淘宝卖家、买家和...
Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)
...rted into the database
The user's identifying information (email, address, etc) has been compromised
References
Bypassing CSRF protections with ClickJacking and HTTP Parameter Pollution
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