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Define make variable at rule execution time
...r are evaluated. In order to create the directory only when out.tar is actually fired, you need to move the directory creation down into the steps:
out.tar :
$(eval TMP := $(shell mktemp -d))
@echo hi $(TMP)/hi.txt
tar -C $(TMP) cf $@ .
rm -rf $(TMP)
The eval function evaluates a...
Android encryption / decryption using AES [closed]
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@Maarten Bodewes I see your warnings all over the place, under manyt posts. Could you please provide a good solution instead?
– Yar
Mar 30 '18 at 12:27
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Regex lookahead for 'not followed by' in grep
I am attempting to grep for all instances of Ui\. not followed by Line or even just the letter L
5 Answers
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REST response code for invalid data
...HTTP authentication, 401 is not appropriate.
– Greg Ball
May 9 '12 at 3:41
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show 8 more comments
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Insert Unicode character into JavaScript
...ML escaped code to do that, so I can write Ω and get Ω. That's all fine and well when I put it into a HTML element; however, when I try to put it into my JS, e.g. var Omega = Ω , it parses that code as JS and the whole thing doesn't work. Anyone know how to go about this?
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How to select rows with one or more nulls from a pandas DataFrame without listing columns explicitly
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@vishal I think all you would need to do is add loc like this; df.loc[df.isnull().any(axis=1)]
– James Draper
Sep 17 '18 at 17:41
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What are sessions? How do they work?
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@user137717 yes that is a possibility if you allow access to the session to literally "every one that presents the correct session id". There are a number of restrictions you can put in place, one of the easiest and most common is to store the client IP in the session: ...
Bootstrap combining rows (rowspan)
...mentation number of times and I can see nesting columns where you can basically nest columns within a column but I cannot locate
the capability of combining rows into one and have it aligned with column next to the uncombined rows.
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What exactly does stringstream do?
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To answer the question. stringstream basically allows you to treat a string object like a stream, and use all stream functions and operators on it.
I saw it used mainly for the formatted output/input goodness.
One good example would be c++ implementation of convert...
How to vertically center a container in Bootstrap?
I'm looking for a way to vertically center the container div inside the jumbotron and to set it in the middle of the page.
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