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When to use f:viewAction / preRenderView versus PostConstruct?
... on postback requests as well. The preRenderView event is invoked on every HTTP request (yes, this also includes ajax requests!).
Summarized, use @PostConstruct if you want to perform actions on injected dependencies and managed properties which are set by @EJB, @Inject, @ManagedProperty, etc during...
Hyphen, underscore, or camelCase as word delimiter in URIs?
I'm designing an HTTP-based API for an intranet app. I realize it's a pretty small concern in the grand scheme of things, but: should I use hyphens, underscores, or camelCase to delimit words in the URIs?
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tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...算法弊端
慢启动，指数增加（有可能被推迟确认），http/2.0通过减少连接数来避免慢启动，上图经过4个RTT时间cwnd从1个MSS增加到慢启动阈值16
增加到慢启动阈值后，线性增加慢。 在一个RTT时间内收到所有确认只能增加1个MSS
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How to develop and test an app that sends emails (without filling someone's mailbox with test data)?
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I faced the same problem a few weeks ago and wrote this: http://smtp4dev.codeplex.com
Windows 7/Vista/XP/2003/2010 compatible dummy SMTP server. Sits in the system tray and does not deliver the received messages. The received messages can be quickly viewed, saved and the source...
How do I round a decimal value to 2 decimal places (for output on a page)
... would use:
decimal.Round(yourValue, 2, MidpointRounding.AwayFromZero);
http://msdn.microsoft.com/en-us/library/9s0xa85y.aspx
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RabbitMQ message size and types
...file or DB.
You might also want to read up on their performance measures:
http://www.rabbitmq.com/blog/2012/04/17/rabbitmq-performance-measurements-part-1/
http://www.rabbitmq.com/blog/2012/04/25/rabbitmq-performance-measurements-part-2/
Queues are pretty light weight, you will most likely be limit...
How to enable or disable an anchor using jQuery?
...nd("click", function (e) {
e.preventDefault();
});
});
See:
http://docs.jquery.com/Events/jQuery.Event#event.preventDefault.28.29
Also see this previous question on SO:
jQuery disable a link
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How to change a django QueryDict to Python Dict?
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New in Django >= 1.4.
QueryDict.dict()
https://docs.djangoproject.com/en/stable/ref/request-response/#django.http.QueryDict.dict
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How do I pass parameters into a PHP script through a webpage?
...$argv[2];
?>
What you need to be doing when passing arguments through HTTP (accessing the script over the web) is using the query string and access them through the $_GET superglobal:
Go to http://yourdomain.com/path/to/script.php?argument1=arg1&argument2=arg2
... and access:
<?php
$a...
Detecting arrow key presses in JavaScript
...('down');
break;
}
};
Demo (thanks to user Angus Grant): http://jsfiddle.net/angusgrant/E3tE6/
This should work cross-browser. Leave a comment if there is a browser where it does not work.
There are other ways to get the key code (e.which, e.charCode, and window.event instead of...