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What is the difference between :focus and :active?

...en they contradict each other e.g. color:red and color:blue (then last one wins). – Pacerier May 4 '14 at 14:18 ...
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What is the difference between Python's list methods append and extend?

..., since append can be used to achieve the same outcome as extend. The following functions do the same thing: def append(alist, iterable): for item in iterable: alist.append(item) def extend(alist, iterable): alist.extend(iterable) So let's time them: import timeit >>> ...
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What are the downsides to using Dependency Injection? [closed]

...oing to increase complexity. It's all about balance, which begins with knowing the upsides and downsides. When people say, 'there are no downsides,' it's a sure indicator that they haven't fully understood the thing yet. – Don Branson Mar 9 '10 at 18:37 ...
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How do I auto-hide placeholder text upon focus using css or jquery?

... this comment is a win. works with dynamic controls, like kendo too – reflog Feb 11 '15 at 9:39 1 ...
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How slow are .NET exceptions?

...I wish to resolve a simple issue. 99% of the time the argument for not throwing exceptions revolves around them being slow while the other side claims (with benchmark test) that the speed is not the issue. I've read numerous blogs, articles, and posts pertaining one side or the other. So which is it...
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Should I use #define, enum or const?

...disadvantages of a single approach. I work in embedded systems so the following solution is based on the fact that integer and bitwise operators are fast, low memory & low in flash usage. Place the enum in a namespace to prevent the constants from polluting the global namespace. namespace Reco...
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Xcode 6 - How to pick signing certificate/provisioning profile for Ad-Hoc distribution?

...distribute the app to our testers we use Xcode, which we do using the following process: 18 Answers ...
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What do 'statically linked' and 'dynamically linked' mean?

... form an executable. The distinction is made for, among other things, allowing third party libraries to be included in your executable without you seeing their source code (such as libraries for database access, network communications and graphical user interfaces), or for compiling code in differe...
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How can I open the interactive matplotlib window in IPython notebook?

... like to quickly switch to the interactive, zoomable matplotlib GUI for viewing plots (the one that pops up when you plot something in a terminal Python console). How could I do that? Preferably without leaving or restarting my notebook. ...
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Using TortoiseSVN via the command line

... options. I use TortoiseSVN, and I run several commands and I get the following error. 12 Answers ...