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Any reason not to use '+' to concatenate two strings?

A common antipattern in Python is to concatenate a sequence of strings using + in a loop. This is bad because the Python interpreter has to create a new string object for each iteration, and it ends up taking quadratic time. (Recent versions of CPython can apparently optimize this in some cases, b...
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while (1) Vs. for (;;) Is there a speed difference?

Long version... 20 Answers 20 ...
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How do I connect to a specific Wi-Fi network in Android programmatically?

I want to design an app which shows a list of Wi-Fi networks available and connect to whichever network is selected by the user. ...
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How do you reverse a string in place in JavaScript?

How do you reverse a string in place (or in-place) in JavaScript when it is passed to a function with a return statement, without using built-in functions ( .reverse() , .charAt() etc.)? ...
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How to install multiple python packages at once using pip

I know it's an easy way of doing it but i didn't find it neither here nor on google. So i was curious if there is a way to install multiple packages using pip. Something like: ...
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Git - Pushing code to two remotes [duplicate]

I have two remote git repositories. origin and github 2 Answers 2 ...
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Are string.Equals() and == operator really same? [duplicate]

Are they really same? Today, I ran into this problem. Here is the dump from the Immediate Window: 8 Answers ...
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Hash function that produces short hashes?

Is there a way of encryption that can take a string of any length and produce a sub-10-character hash? I want to produce reasonably unique ID's but based on message contents, rather than randomly. ...
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How do I handle ImeOptions' done button click?

I am having an EditText where I am setting the following property so that I can display the done button on the keyboard when user click on the EditText. ...
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Test if remote TCP port is open from a shell script

I'm looking for a quick and simple method for properly testing if a given TCP port is open on a remote server, from inside a Shell script. ...