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How to access the correct `this` inside a callback?
... new MyConstructor('foo', transport);
If you are using underscore.js - http://underscorejs.org/#bind
transport.on('data', _.bind(function () {
alert(this.data);
}, this));
2 Store reference to context/this inside another variable
function MyConstructor(data, transport) {
var self = ...
What's the difference between window.location= and window.location.replace()?
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Tools for analyzing performance of a Haskell program
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What are the disadvantages of using persistent connection in PDO
...
In response to Charles' problem above,
From : http://www.php.net/manual/en/mysqli.quickstart.connections.php -
A common complain about persistent connections is that their state is not reset before reuse. For example, open and unfinished transactions are not automatical...
How to design a database for User Defined Fields?
...
You can read an interesting article from 2009 about this solution here: http://backchannel.org/blog/friendfeed-schemaless-mysql
Or you can use a document-oriented database, where it's expected that you have custom fields per document. I'd choose Solr.
...
Javascript when to use prototypes
... more like instance method.
The object's approach is like Static methods.
https://developer.mozilla.org/en/Introduction_to_Object-Oriented_JavaScript
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Does Java casting introduce overhead? Why?
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移动前端开发之viewport的深入理解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...等，关于不同的设备ideal viewport的宽度都为多少，可以到http://viewportsizes.com去查看一下，里面收集了众多设备的理想宽度。
再总结一下：ppk把移动设备上的viewport分为layout viewport 、 visual viewport 和 ideal viewport 三类，其中的...
Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?)
...the code can get complicated.
A more detailed analysis can be found here: http://accu.org/index.php/journals/236
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Making 'git log' ignore changes for certain paths
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