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What is the difference between Cygwin and MinGW?
...ws port of the GNU compiler tools, such as GCC, Make, Bash, and so on. It does not attempt to emulate or provide comprehensive compatibility with Unix, but instead it provides the minimum necessary environment to use GCC (the GNU compiler) and a small number of other tools on Windows. It does not ...
What does it mean in shell when we put a command inside dollar sign and parentheses: $(command)
...lue inside the variable name, but what is $(command) supposed to return? Does it return the value after executing the command? In that case, we can use ` to execute the command.
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What does it mean if a Python object is “subscriptable” or not?
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Now when you call that function, and something_happens() for some reason does not return a True value, what happens? The if fails, and so you fall through; gimme_things doesn't explicitly return anything -- so then in fact, it will implicitly return None. Then this code:
things = gimme_things()
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How can I visualize per-character differences in a unified diff file?
...modified, but I cannot see which characters in the changed lines differ. Does anyone know a way (in Vim, or some other free software that runs on Ubuntu) to visualize per-character differences?
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Java Set retain order?
Does a Java Set retain order? A method is returning a Set to me and supposedly the data is ordered but iterating over the Set, the data is unordered. Is there a better way to manage this? Does the method need to be changed to return something other than a Set?
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How does BLAS get such extreme performance?
... play a minor role in this respect (and for GotoBLAS/OpenBLAS the compiler does not matter at all).
IMHO no BLAS implementation uses algorithms like the Coppersmith–Winograd algorithm or the Strassen algorithm. The likely reasons are:
Maybe its not possible to provide a cache optimized implemen...
What does the star operator mean, in a function call?
What does the * operator mean in Python, such as in code like zip(*x) or f(**k) ?
5 Answers
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How does “cat
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if true; then
cat <<-EOF
a
EOF
fi
Unfortunately, this does not work for space characters: POSIX favored tab indentation here. Yikes.
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'Missing recommended icon file - The bundle does not contain an app icon for iPhone / iPod Touch of
...;/string>
</array>
Found this here by searching for "The bundle does not contain an app icon for iPhone / iPod Touch of exactly '120x120' pixels, in .png format." in Google.
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Why does substring slicing with index out of range work?
Why doesn't 'example'[999:9999] result in error? Since 'example'[9] does, what is the motivation behind it?
3 Answers
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