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Illegal mix of collations MySQL Error
... in the top answer, change the default settings of your server.
In your "/etc/my.cnf.d/server.cnf" or where ever it's located add the defaults to the [mysqld] section so it looks like this:
[mysqld]
character-set-server=utf8
collation-server=utf8_general_ci
Source: https://dev.mysql.com/doc/refm...
linux 下巧妙使用squid代理服务器 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...也可以解决多用户需要同时访问外网但公有IP地址不足的问题。同时可以作为一个防火墙，隔离内网与外网，并且能提供监控网络和记录传输信息的功能，加强局域网的安全性等。它的主要作用有以下几点。
1．共享网络
2．...
How to display a confirmation dialog when clicking an link?
... @CiaranG It always starts like this :), then you add this and that, etc. If you manage to embrace separation of concerns, you will feel cleaner if you get rid of most of these inline handlers. They just have nothing to do in your HTML. At least in my opinion, and at least in most cases. There...
How to deny access to a file in .htaccess
...ACCESS
.hTaCcEsS
testFILE.htaccess
filename.HTACCESS
FILEROOT.hTaCcEsS
..etc., etc. Clearly, this method is highly effective at securing your site’s HTAccess files. Further, this technique also includes the fortifying “Satisfy All” directive. Note that this code should be placed in your doma...
Best way to store JSON in an HTML attribute?
...tain HTML specials that could start a tag, HTML comment, embedded doctype, etc. You need to escape at least <, and & in such a way that the original character does not appear in the escaped sequence.
In <script> elements you need to ensure that the JSON does not contain an end tag <...
再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
...列化器去寻找未知对象的映射的途径。在Remoting中这样的问题不会存在，因为Remoting实际上是通过将一个类型传递给双方来进行类型匹配的。
那么KnowTypeAttribute到底用在什么地方呢？上边说了，当前类的未知类型。那什么又是当...
How to avoid isset() and empty()
...with this problem is by accessing values of GET and POST (COOKIE, SESSION, etc.) arrays through a class.
Create a class for each of those arrays and declare __get and __set methods (overloading). __get accepts one argument which will be the name of a value. This method should check this value in th...
ros 基本调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...系统得到默认的调试输出很容易，但是这些输出对于定位问题尤其是bugs没有太大作用。
本文旨在告诉读者如何生成有用的调试信息，通过这些信息可以直接判断出操作系统的运行状态。
几种调试方法
调试ros的方法有很多，...
CodeIgniter - accessing $config variable in view
...our controller should collect all the information from databases, configs, etc. There are many good reasons to stick to this. One good reason is that this will allow you to change the source of that information quite easily and not have to make any changes to your views.
...
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This has a list of types etc, and has some other useful info.
– Wilf
Aug 28 '14 at 11:20
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