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Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti

...est option when the index is probably in the list and the IndexError is usually not raised. This way you avoid the need for an extra lookup by if index < len(my_list). Python encourages the use of exceptions, which you handle is a phrase from Dive Into Python. Your example not only handles the e...
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CSS vertical alignment text inside li

... line-height is how you vertically align text. It is pretty standard and I don't consider it a "hack". Just add line-height: 100px to your ul.catBlock li and it will be fine. In this case you may have to add it to ul.catBlock li a instead since all of th...
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Abstract Class vs Interface in C++ [duplicate]

...rt interfaces (the "mature approach") instead of C++ classes (this is basically what COM does, but without the burden of COM infrastructure). I'd use an interface if I want to define a set of rules using which a component can be programmed, without specifying a concrete particular behavior. Classes...
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Why not use java.util.logging?

...ojects. There are objective reasons for preferring SLF4J. For one, SLF4J allows the end-user the liberty to choose the underlying logging framework. In addition, savvier users tend to prefer logback which offers capabilities beyond log4j, with j.u.l falling way behind. Feature-wise j.u.l may be s...
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Is There a Better Way of Checking Nil or Length == 0 of a String in Ruby?

..., {}, and [] are considered blank. I.e. {}.blank?, [].blank?, false.blank? all evaluate to true. – ShaharZ Sep 20 '16 at 22:22 add a comment  |  ...
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Change text color of one word in a TextView

... Fixed, thanks! I don't recall if I copied this from actual code or from memory with a color generator website so it might not have worked before. – Dan May 14 '12 at 19:16 ...
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How to find time complexity of an algorithm

...term is 2 million and the second term is only 2. For this reason, we drop all but the largest terms for large N. So, now we have gone from 2N + 2 to 2N. Traditionally, we are only interested in performance up to constant factors. This means that we don't really care if there is some constant mu...
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Function passed as template argument

...;< "Result is " << temp << std::endl; } which can now be called as either: doOperation(add2); doOperation(add3()); See it live The problem with this is that if it makes it tricky for the compiler to inline the call to add2, since all the compiler knows is that a function pointer...
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Replace \n with actual new line in Sublime Text

...sion syntax when searched. In Replace With, type: \n Click on the 'Replace All' button (Keyboard Shortcut: CTRL + Alt + Enter) Your literal text \n will then turn into an actual line break. share | ...
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What vim plugins are available for Eclipse? [closed]

...ave marks. It provides the core functionality of Vim text editing. If I recall correctly you can even have a simple vimrc configuration file. You can do a free trial to test it out. Vrapper Apparently Vrapper has macros and marks, as well as the following commands: Motions h j k l w W e E b B f ...