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How to permanently export a variable in Linux?
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@kostja For all new shells ? If I have eclipse running before I change those env variables and I want eclipse to have changed vars, do I have to restart eclipse ?
– Bitterblue
Nov 28 '13 at 9:39
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Execute bash script from URL
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bash <(curl -s http://mywebsite.com/myscript.txt)
It may be clearer if you look at the output of echo <(cat /dev/null)
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How to avoid Python/Pandas creating an index in a saved csv?
...n unnamed 0 containing your previous index" a better way do to this is specify pd.read_csv(..., index_col=[0], and avoid the extra "drop" call.
– cs95
May 28 '19 at 4:19
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How can I wrap text to some length in Vim?
...ces and gqgq doesn't do anything to a line like shown in the question even if tw=5.
– dlamblin
Aug 11 '11 at 18:12
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Why does make think the target is up to date?
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Maybe you have a file/directory named test in the directory. If this directory exists, and has no dependencies that are more recent, then this target is not rebuild.
To force rebuild on these kind of not-file-related targets, you should make them phony as follows:
.PHONY: all test cl...
what is the difference between ?:, ?! and ?= in regex?
...ed for the meaning of these expressions but couldn't understand the exact difference between them.
This is what they say:
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How can I remove a button or make it invisible in Android?
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when you set it to gone does it still count as a child? if i did something like child count or get child at index what ever?
– Lpc_dark
Dec 27 '12 at 20:41
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How to get current relative directory of your Makefile?
I have a several Makefiles in app specific directories like this:
12 Answers
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Why is there no std::stou?
...lemented by calling ...", because the C++ standard still has the global as-if rule: if the standard says std::sto* must be implemented as wrappers for the C library functions, and a valid program cannot tell that they aren't secretly implemented differently, the implementation is valid.
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Nodejs - Redirect url
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The logic of determining a "wrong" url is specific to your application. It could be a simple file not found error or something else if you are doing a RESTful app. Once you've figured that out, sending a redirect is as simple as:
response.writeHead(302, {
'Location': ...