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Is having an 'OR' in an INNER JOIN condition a bad idea?
...is not smart enough to see it in the query you wrote (though they are logically equivalent).
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How do I iterate through the files in a directory in Java?
I need to get a list of all the files in a directory, including files in all the sub-directories. What is the standard way to accomplish directory iteration with Java?
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Using PHP with Socket.io
...t there are some ways to implement WebSockets. There is this jQuery plugin allowing you to use Websockets while gracefully degrading for non-supporting browsers. On the PHP side, there is this class which seems to be the most widely used for PHP WS servers.
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Angular directives - when and how to use compile, controller, pre-link and post-link [closed]
...with transclude). These directives will natively have their link function called before their child directives compile is called.
The original HTML markup is often made of nested elements, each with its own directive. Like in the following markup (see plunk):
<body>
<div log='parent'&g...
Why is “if not someobj:” better than “if someobj == None:” in Python?
...a __nonzero__ special method (as do numeric built-ins, int and float), it calls this method. It must either return a bool value which is then directly used, or an int value that is considered False if equal to zero.
Otherwise, if the object has a __len__ special method (as do container built-ins, li...
Stop UIWebView from “bouncing” vertically?
Does anyone know how to stop a UIWebView from bouncing vertically? I mean when a user touches their iphone screen, drags their finger downwards, and the webview shows a blank spot above the web page I had loaded?
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Eclipse says: “Workspace in use or cannot be created, chose a different one.” How do I unlock a work
...se workspace directory.
Precaution - If you delete the .metadata folder all preference will be deleted.
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Setting up FTP on Amazon Cloud Server [closed]
...ce created and have associated an Elastic IP Address to it.
Step #1: Install vsftpd
SSH to your EC2 server. Type:
> sudo yum install vsftpd
This should install vsftpd.
Step #2: Open up the FTP ports on your EC2 instance
Next, you'll need to open up the FTP ports on your EC2 server. Log...
Is there a cross-browser onload event when clicking the back button?
For all major browsers (except IE), the JavaScript onload event doesn’t fire when the page loads as a result of a back button operation — it only fires when the page is first loaded.
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How do I get Fiddler to stop ignoring traffic to localhost?
...ddler to monitor HTTP Requests & Responses in Internet Explorer it ignores all traffic directed to http://localhost .
14 A...