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Why avoid increment (“++”) and decrement (“--”) operators in JavaScript?
...answered Jun 9 '09 at 17:30
cdmckaycdmckay
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How to delete duplicate lines in a file without sorting it in Unix?
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awk '!seen[$0]++' file.txt
seen is an associative-array that Awk will pass every line of the file to. If a line isn't in the array then seen[$0] will evaluate to false. The ! is the logical NOT operator and will invert the fal...
What's the fastest way to do a bulk insert into Postgres?
...ulate a database initially, and they suggest using the COPY command for bulk loading rows. The guide has some other good tips on how to speed up the process, like removing indexes and foreign keys before loading the data (and adding them back afterwards).
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file_put_contents - failed to open stream: Permission denied
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JasonJason
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IISExpress returns a 503 error from remote machines
...l IISExpress instance with some other machines / devices on my local network. I am running Win7 Pro.
10 Answers
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Android - Dynamically Add Views into View
...the view.
Additionally, set the LayoutParams according to how you would like it to fit in the parent view. e.g. with FILL_PARENT, or MATCH_PARENT, etc.
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Why is Scala's immutable Set not covariant in its type?
...lean
}
If Set were covariant in A, the apply method would be unable to take a parameter of type A due to the contravariance of functions. Set could potentially be contravariant in A, but this too causes issues when you want to do things like this:
def elements: Iterable[A]
In short, the best s...
How do I call setattr() on the current module?
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setattr(thismodule, name, value)
or, without using setattr (which breaks the letter of the question but satisfies the same practical purposes;-):
globals()[name] = value
Note: at module scope, the latter is equivalent to:
vars()[name] = value
which is a bit more concise, but doesn't work ...
Getting vertical gridlines to appear in line plot in matplotlib
...y, since you are using both of them you can combine into ax.grid, which works on both, rather than doing it once for each dimension.
ax = plt.gca()
ax.grid(True)
That should sort you out.
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How to calculate a Mod b in Casio fx-991ES calculator
Does anyone know how to calculate a Mod b in Casio fx-991ES Calculator. Thanks
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