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What is the difference between a var and val definition in Scala?
What is the difference between a var and val definition in Scala and why does the language need both? Why would you choose a val over a var and vice versa?
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Removing packages installed with go get
I ran go get package to download a package before learning that I needed to set my GOPATH otherwise that package sullies my root Go install (I would much prefer to keep my Go install clean and separate core from custom). How do I remove packages installed previously?
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Convert from ASCII string encoded in Hex to plain ASCII?
How can I convert from hex to plain ASCII in Python?
8 Answers
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public friend swap member function
In the beautiful answer to the copy-and-swap-idiom there is a piece of code I need a bit of help:
2 Answers
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How can I rollback a github repository to a specific commit?
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git reset --hard <old-commit-id>
git push -f <remote-name> <branch-name>
Note: As written in comments below, Using this is dangerous in a collaborative environment: you're rewriting history
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What requirement was the tuple designed to solve?
I'm looking at the new C# feature of tuples. I'm curious, what problem was the tuple designed to solve?
13 Answers
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When to use std::forward to forward arguments?
C++0x shows an example of using std::forward :
3 Answers
3
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How to create a numpy array of all True or all False?
In Python, how do I create a numpy array of arbitrary shape filled with all True or all False?
7 Answers
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Which is more preferable to use: lambda functions or nested functions ('def')?
I mostly use lambda functions but sometimes use nested functions that seem to provide the same behavior.
16 Answers
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How to run eclipse in clean mode? what happens if we do so?
If something is not working properly or some plug-ins are not loaded properly in my Eclipse I often get suggestion to open Eclipse in clean mode.
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