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Find first element in a sequence that matches a predicate

I want an idiomatic way to find the first element in a list that matches a predicate. 4 Answers ...
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Batch Renaming of Files in a Directory

Is there an easy way to rename a group of files already contained in a directory, using Python? 13 Answers ...
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Can we delete an SMS in Android before it reaches the inbox?

I am deleting an SMS from the inbox but I want to know: How can I delete it before it reaches the inbox? 5 Answers ...
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What, exactly, is needed for “margin: 0 auto;” to work?

I know that setting margin: 0 auto; on an element is used to centre it (left-right). However, I know that the element and its parent must meet certain criteria for the auto margin to work, and I can never seem to get the magic right. ...
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What's the difference between echo, print, and print_r in PHP?

I use echo and print_r much, and almost never use print . 11 Answers 11 ...
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Semicolons superfluous at the end of a line in shell scripts?

I have a shell script which contains the following: 5 Answers 5 ...
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Version vs build in Xcode

I have an app that I developed with Xcode 3 and recently started editing with Xcode 4. In the target summary I have the iOS application target form with fields: identifier, version, build, devices, and deployment target. The version field is blank and the build field is 3.4.0 (which matches the vers...
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Timing a command's execution in PowerShell

Is there a simple way to time the execution of a command in PowerShell, like the 'time' command in Linux? I came up with this: ...
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'str' object does not support item assignment in Python

I would like to read some characters from a string and put it into other string (Like we do in C). 7 Answers ...
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What is the parameter “next” used for in Express?

Suppose you have a simple block of code like this: 6 Answers 6 ...