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How can I check if a program exists from a Bash script?
How would I validate that a program exists, in a way that will either return an error and exit, or continue with the script?
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Getting a list of all subdirectories in the current directory
Is there a way to return a list of all the subdirectories in the current directory in Python?
27 Answers
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How to run a single test with Mocha?
I use Mocha to test my JavaScript stuff. My test file contains 5 tests. Is that possible to run a specific test (or set of tests) rather than all the tests in the file?
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What is the best open XML parser for C++? [duplicate]
I am looking for a simple, clean, correct XML parser to use in my C++ project. Should I write my own?
12 Answers
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Compare double to zero using epsilon
Today, I was looking through some C++ code (written by somebody else) and found this section:
11 Answers
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receiver type *** for instance message is a forward declaration
In my iOS5 app, I have NSObject States class, and trying to init it:
9 Answers
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What is Gradle in Android Studio?
Gradle is a bit confusing to me, and also for any new Android developer. Can anyone explain what Gradle in Android Studio is and what its purpose is? Why is it included in Android Studio?
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How can I have Github on my own server?
Is there anything out there like Github that is for your own local server? I am curious if there is like a PHP script or even a desktop client that mimics Github's functionality, I love Github but it would be nice to host on my own server.
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Offset a background image from the right using CSS
Is there a way to position a background image a certain number of pixels from the right of its element?
17 Answers
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Does Java SE 8 have Pairs or Tuples?
I am playing around with lazy functional operations in Java SE 8, and I want to map an index i to a pair / tuple (i, value[i]) , then filter based on the second value[i] element, and finally output just the indices.
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