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What is the meaning of single and double underscore before an object name?
Can someone please explain the exact meaning of having leading underscores before an object's name in Python, and the difference between both?
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What does the exclamation mark mean in a Haskell declaration?
I came across the following definition as I try to learn Haskell using a real project to drive it. I don't understand what the exclamation mark in front of each argument means and my books didn't seem to mention it.
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A html space is showing as %2520 instead of %20
Passing a filename to the firefox browser causes it to replace spaces with %2520 instead of %20 .
5 Answers
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How does password salt help against a rainbow table attack?
I'm having some trouble understanding the purpose of a salt to a password. It's my understanding that the primary use is to hamper a rainbow table attack. However, the methods I've seen to implement this don't seem to really make the problem harder.
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Error “initializer element is not constant” when trying to initialize variable with const
I get an error on line 6 (initialize my_foo to foo_init) of the following program and I'm not sure I understand why.
5 Answ...
DLL and LIB files - what and why?
I know very little about DLL's and LIB's other than that they contain vital code required for a program to run properly - libraries. But why do compilers generate them at all? Wouldn't it be easier to just include all the code in a single executable? And what's the difference between DLL's and LIB's...
What's the difference between a proc and a lambda in Ruby?
And when would you use one rather than the other?
8 Answers
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What is the Difference Between Mercurial and Git?
I've been using git for some time now on Windows (with msysGit) and I like the idea of distributed source control. Just recently I've been looking at Mercurial (hg) and it looks interesting. However, I can't wrap my head around the differences between hg and git.
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What is “thread local storage” in Python, and why do I need it?
In Python specifically, how do variables get shared between threads?
5 Answers
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Paging in a Rest Collection
... I strongly disagree about using 413. This is an error code meaning that the client is sending something which the server refuses to accept due to size. Not the other way around! See tools.ietf.org/html/rfc7231#section-6.5.11 (note that it says request payload. Not response payload)!
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