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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...
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.
...
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...
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...
Facebook Post Link Image
...
This has a list of types etc, and has some other useful info.
– Wilf
Aug 28 '14 at 11:20
add a comment
| ...
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 <...
D Programming Language in the real world? [closed]
...de garbage collection, a monitor object for each class, runtime type info, etc.
Unlike Ruby, Python, PHP, etc, D tries to be almost as fast as C, even if it is less dynamic and slightly more difficult to program in than scripting languages.
The result is a language that is optimal when both develo...
Make .gitignore ignore everything except a few files
...oject (LaTeX) that generates lots of extra files (.auth,
.dvi, .pdf, logs, etc) as it runs, but I don't want those to be tracked.
...
$_POST vs. $_SERVER['REQUEST_METHOD'] == 'POST'
... // log or don't log request,
// redirect to avoid resubmition on F5 etc
}
If your application needs to react on any data received through post request, use this:
if(!empty($_POST)) { // if received any post data
// process $_POST values,
// save data to DB,
// ...
}
if(!empty(...
MongoDB副本集详解 优于以往的主从模式 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...来很旧了，停止选举等待人来操作。
? 如果上面都没有问题就选择最后操作时间戳最新（保证数据是最新的）的服务器节点作为主节点。
选举的触发条件
初始化一个副本集时。
副本集和主节点断开连接，可能是网络问题。...