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What is Rack middleware?
What is Rack middleware in Ruby? I couldn't find any good explanation for what they mean by "middleware".
9 Answers
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How do I overload the square-bracket operator in C#?
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a minor comment: depending on what you're doing, you might find it more appropriate to do: get { return base[i]; } set { base[i] = value; }
– MikeBaz - MSFT
Oct 4 '12 at 21:58
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What is a bus error?
What does the "bus error" message mean, and how does it differ from a segfault?
15 Answers
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Semicolons superfluous at the end of a line in shell scripts?
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What's the practical difference between ; and ;;, then? I'm not familiar enough with BASH syntax parsing to know the practical difference between what BASH calls a "metacharacter" and what it calls a "control operator".
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Testing HTML email rendering [closed]
... Maybe this worked in 2012, but this tool does not show at all what it will look like across email clients..
– Gerben Jacobs
Sep 2 '13 at 9:37
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Are there constants in JavaScript?
... the language spec forces it, but it's not a bad idea. It makes it clearer what your intention is, so it improves code readability.
– Bill the Lizard
Aug 8 '15 at 10:42
add a ...
Easy way to pull latest of all git submodules
...s well).
For git 1.7.3 or above you can use (but the below gotchas around what update does still apply):
git submodule update --recursive
or:
git pull --recurse-submodules
if you want to pull your submodules to latest commits instead of the current commit the repo points to.
See git-submodul...
Javascript - remove an array item by value [duplicate]
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exactly what i needed. really thx Joseph ;)
– itsme
Aug 22 '11 at 13:29
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C++ performance vs. Java/C#
...e you're close to the hardware. Pointers do wonders here.
So depending on what you're writing I would go with one or the other. But if you're writing something that isn't hardware dependent (driver, video game, etc), I wouldn't worry about the performance of C# (again can't speak about Java). It'll...
What exactly does the “u” do? “git push -u origin master” vs “git push origin master”
...dahlbyk I've gone ahead and marked you as the answer, but that comment somewhat confuses me. In your answer, you demonstrated that git was confused after git push origin test (which doesn't have -u). You then showed that git push -u origin test removes the ambiguity. Is there a typo, or am I just be...