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What's the standard way to work with dates and times in Scala? Should I use Java types or there are
What's the standard way to work with dates and times in Scala? Should I use Java types such as java.util.Date or there are native Scala alternatives?
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git: Switch branch and ignore any changes without committing
I was working on a git branch and was ready to commit my changes, so I made a commit with a useful commit message. I then absentmindedly made minor changes to the code that are not worth keeping. I now want to change branches, but git gives me,
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Foreign Key to multiple tables
...s? This design does not enforce that a ticket must be owned by a single entity only.
You could create a default group for every user and have tickets simply owned by either a true Group or a User's default Group.
Or (my choice) model an entity that acts as a base for both Users and Groups, and hav...
What is the “realm” in basic authentication
I'm setting up basic authentication on a php site and found this page on the php manual showing the set up. What does "realm" mean here in the header?
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How to reverse apply a stash?
I have a small patch saved away in my git stash. I've applied it to my working copy using git stash apply . Now, I'd like to back out those changes by reverse applying the patch (kind of like what git revert would do but against the stash).
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:not(:empty) CSS selector is not working?
I'm having a heck of a time with this particular CSS selector which does not want to work when I add :not(:empty) to it. It seems to work fine with any combination of the other selectors:
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How to convert a boolean array to an int array
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Numpy arrays have an astype method. Just do y.astype(int).
Note that it might not even be necessary to do this, depending on what you're using the array for. Bool will be autopromoted to int in many cases, so you can add it to int arrays without having to explicitly convert it:
>>> ...
How to do something to each file in a directory with a batch script
How do you iterate over each file in a directory with a .bat or .cmd file?
6 Answers
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difference between throw and throw new Exception()
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throw; rethrows the original exception and preserves its original stack trace.
throw ex; throws the original exception but resets the stack trace, destroying all stack trace information until your catch block.
NEVER write throw ex;
throw new Exception(ex.Message); is even wor...
How to copy file from HDFS to the local file system
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edited Jan 14 '16 at 19:09
VeLKerr
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