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Should I use a data.frame or a matrix?
... # obtains determinant
det(DF) # error
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Why can't yield return appear inside a try block with a catch?
...at's kind of like saying you don't need exceptions because you can use the error code returning strategy commonly used in C so many years ago. I admit the technical difficulties may be significant, but this still severely limits the usefulness of yield, in my opinion, because of the spaghetti code y...
live output from subprocess command
...n print (and save to a log-file) the output information, and check for any errors. The problem is, I have no idea how the code is progressing. If I run it directly from the command line, it gives me output about what iteration its at, what time, what the next time-step is, etc.
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Remove sensitive files and their commits from Git history
...# make sure we're at the root of git repo
if [ ! -d .git ]; then
echo "Error: must run this script from the root of a git repository"
exit 1
fi
# remove all paths passed as arguments from the history of the repo
files=$@
git filter-branch --index-filter \
"git rm -rf --cached --ignore-unmat...
Java 8: performance of Streams vs Collections
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Result:
Benchmark Mode Samples Mean Mean error Units
StreamVsVanilla.stream avgt 10 17.588 0.230 ns/op
StreamVsVanilla.vanilla avgt 10 10.796 0.063 ns/op
Just as I expected stream implementation is fairly s...
.NET Global exception handler in console application
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TRY CATCH does not work in release mode for unexpected errors :/
– Muflix
Jul 1 '15 at 14:38
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Change one value based on another value in pandas
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Won't this generate a KeyError if the values do not exist in your dict?
– EdChum
Oct 7 '13 at 14:04
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What is the __del__ method, How to call it?
... than complicated.
Special cases aren't special enough to break the rules.
Errors should never pass silently.
In the face of ambiguity, refuse the temptation to guess.
There should be one – and preferably only one – obvious way to do it.
If the implementation is hard to explain, it's a bad idea....
How do arrays in C# partially implement IList?
...er? That one obviously says "I have no idea how to do that!" and issues an error. It needs an explicit cast to IList<T> in order to work.
– Tobias Knauss
May 12 '17 at 10:35
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Why should I not include cpp files and instead use a header?
... you include source files with extern functions, you will get redefinition errors, because the compiler comes across the same implementation more than once. So, you want all your translation units to see the function declaration but not the function body.
So how does it all get mashed together at t...