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Finding diff between current and last version
Using Git, how can you find the difference between the current and the last version?
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A semantics for Bash scripts?
...ripts that appear to work. However, I don't really know what's going on, and I was hoping for a more formal introduction to Bash as a programming language. For example: What is the evaluation order? what are the scoping rules? What is the typing discipline, e.g. is everything a string? What is the...
How to install the current version of Go in Ubuntu Precise
...e GVM for managing my Go versions in my Ubuntu box. Pretty simple to use, and if you're familiar with RVM, it's a nobrainer. It allows you to have multiple versions of Go installed in your system and switch between whichever version you want at any point in time.
Install GVM with:
sudo apt-get i...
In Matlab, when is it optimal to use bsxfun?
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Using bsxfun, like using accumarray, makes me feel good about my understanding of Matlab.
bsxfun will replicate the input arrays along their "singleton dimensions", i.e. the dimensions along which the size of the array is 1, so that they match the size of the corresponding dimension of the othe...
What's the difference between %s and %d in Python string formatting?
I don't understand what %s and %d do and how they work.
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How do you debug a regex? [closed]
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You buy RegexBuddy and use its built in debug feature. If you work with regexes more than twice a year, you will make this money back in time saved in no time. RegexBuddy will also help you to create simple and complex regular expressions, and...
Find MongoDB records where array field is not empty
... To me that's the correct approach, since it makes sure the array exists and is not empty.
– LeandroCR
Mar 19 '15 at 14:34
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How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
... a bash script for several subprocesses spawned from that script to finish and return exit code !=0 when any of the subprocesses ends with code !=0 ?
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Can someone explain __all__ in Python?
I have been using Python more and more, and I keep seeing the variable __all__ set in different __init__.py files. Can someone explain what this does?
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Convert char to int in C and C++
How do I convert a char to an int in C and C++?
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