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How to use the pass statement?

..._a(self): pass def meth_b(self): print "I'm meth_b" If you were to leave out the pass, the code wouldn't run. You would then get an: IndentationError: expected an indented block To summarize, the pass statement does nothing particular, but it can act as a placeholder, as d...
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CodeIgniter: How to get Controller, Action, URL information

...// class = controller $this->router->fetch_method(); That way you know you are always using the correct values even if you are behind a routed URL, in a sub-domain, etc. share | improve this...
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How do I create a unique ID in Java? [duplicate]

...eMillis; private long discriminator; public IdFactoryImpl() throws UnknownHostException { this.hostName = InetAddress.getLocalHost().getHostAddress(); this.creationTimeMillis = System.currentTimeMillis(); this.lastTimeMillis = creationTimeMillis; } public synchronized Serializa...
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Where is the WPF Numeric UpDown control?

...t. It seems like there are a lot of basic controls flat out missing. Specifically, I am looking for the Numeric UpDown control. Was there an out of band release that I missed? Really don't feel like writing my own control. ...
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Error starting jboss server

...ling my OS, and as always install and test standard tools which I use, and now I get this error like never before when I tried to start Jboss 5 from eclipse, its quite big exeption : ...
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How to override a JavaScript function

...nction by just re-declaring it. parseFloat = function(a){ alert(a) }; Now parseFloat(3) will alert 3. share | improve this answer | follow | ...
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UILabel Align Text to center

... N.B.: As per the UILabel class reference, as of iOS 6 this approach is now deprecated. Simply use the textAlignment property to see the required alignment using one of the UITextAlignment values. (UITextAlignmentLeft, UITextAlignmentCenter or UITextAlignmentRight.) e.g.: [myUILabel setTextAlig...
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Traverse a list in reverse order in Python

... To avoid the confusion: reversed() doesn't modify the list. reversed() doesn't make a copy of the list (otherwise it would require O(N) additional memory). If you need to modify the list use alist.reverse(); if you need a copy of the list in reversed order use alist[::-1...
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Logical operators for boolean indexing in Pandas

...ear when it should be True or False. Some users might assume they are True if they have non-zero length, like a Python list. Others might desire for it to be True only if all its elements are True. Others might want it to be True if any of its elements are True. Because there are so many conflicti...
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How to get the concrete class name as a string? [duplicate]

... What if you don't want to instantiate the class? can you just get the name of the class? (without the object) – Gabriel Oct 15 '13 at 23:17 ...