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Why switch is faster than if

... Please constrain "long". Greater than 5? Greater than 10? or more like 20 - 30? – egerardus Jan 17 '12 at 18:25 12 ...
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Is there a builtin identity function in python?

... Doing some more research, there is none, a feature was asked in issue 1673203 And from Raymond Hettinger said there won't be: Better to let people write their own trivial pass-throughs and think about the signature and time costs....
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What's the proper way to install pip, virtualenv, and distribute for Python?

... bootstrap virtual environment. Use the that virtual environment to create more. Since virtualenv ships with pip and distribute, you get everything from one install. Download virtualenv: http://pypi.python.org/pypi/virtualenv https://pypi.python.org/packages/source/v/virtualenv/virtualenv-12.0.7...
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Benchmarking small code samples in C#, can this implementation be improved?

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Android: What is better - multiple activities or switching views manually?

... I would say that multiple Activities almost always makes more sense. I just don't think Android is designed for constantly switching its own views - you miss out on so much. You have to implement Back yourself, you don't get any inter-Activity transitions, you have to implement a...
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Just what is Java EE really? [closed]

...in flavors of standard Java (Oracle JVM/SDK | OpenJDK JVM/JDK)? There are more than just two flavors of Java SE. There is at least the IBM JDK, the previous BEA one (JRocket, which is being merged into the Oracle/Sun one because of the acquisition), various other open source implementations and a s...
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What is the difference between a 'closure' and a 'lambda'?

... lambdas are not true closures, they are simulations of closures. They are more similar to Python 2.3 closures (no mutability, hence the requirement for the variables referenced to be 'effectively final'), and internally compile to non-closure functions that take all variables referenced in the encl...
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What is Node.js' Connect, Express and “middleware”?

...Connect is that its documentation doesn't seem to acknowledge that Node is more than a HTTP server. "Connect is a middleware framework for Node.js" -- no, "Connect is a middleware framework for Node.js's HTTP server" – slim Aug 8 '11 at 12:23 ...
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Designing function f(f(n)) == -n

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Delete duplicate rows from small table

... Seems like this doesn't work when having more than 2 duplicate rows, because it deletes only one duplicate at time. – Frankie Drake Jul 22 '19 at 11:09 ...