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How can I write output from a unit test?
...croll bar is too small to be noticed or used.
– Meow Cat 2012
Jul 24 '19 at 4:55
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show 1 more comment
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Why won't my PHP app send a 404 error?
...cause you have to create that file yourself.
– Super Cat
Jan 6 '15 at 4:53
@SuperCat thanks , now i reread the error a...
How to convert all text to lowercase in Vim
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Many ways to skin a cat... here's the way I just posted about:
:%s/[A-Z]/\L&/g
Likewise for upper case:
:%s/[a-z]/\U&/g
I prefer this way because I am using this construct (:%s/[pattern]/replace/g) all the time so it's more natu...
sed edit file in place
...neath by the patch command, or even worse by the tee command that will truncate the file. Actually I'm not sure if patch will not truncate as well. I think saving output to another file and then cat-ing into original would be safer.
– akostadinov
May 26 '16 at ...
Git error: “Host Key Verification Failed” when connecting to remote repository
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You are connecting via the SSH protocol, as indicated by the ssh:// prefix on your clone URL. Using SSH, every host has a key. Clients remember the host key associated with a particular address and refuse to connect if a host key appears to change. This prevents man in the...
Remove element by id
... As usual it's safe to implement a polyfill.
– Super Cat
Aug 10 '16 at 21:31
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Using sed, how do you print the first 'N' characters of a line?
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colrm x
For example, if you need the first 100 characters:
cat file |colrm 101
It's been around for years and is in most linux's and bsd's (freebsd for sure), usually by default. I can't remember ever having to type apt-get install colrm.
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Differences between C++ string == and compare()?
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21.4.8.2 operator==
template<class charT, class traits, class Allocator>
bool operator==(const basic_string<charT,traits,Allocator>& lhs,
const basic_string<charT,traits,Allocator>& rhs) noexcept;
Returns: lhs.compare(rhs) == 0.
Seems like ther...
How to delete a workspace in Perforce (using p4v)?
...d also be done without a visual client with the following small script.
$ cat ~/bin/pdel
#!/bin/sh
#Todo: add error handling
( p4 -c $1 client -o | perl -pne 's/\blocked\s//' | p4 -c $1 client -i ) && p4 client -d $1
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Retrieving the output of subprocess.call() [duplicate]
...tdout, and/or stdin parameters and read from the pipes by using the communicate() method:
from subprocess import Popen, PIPE
p = Popen(['program', 'arg1'], stdin=PIPE, stdout=PIPE, stderr=PIPE)
output, err = p.communicate(b"input data that is passed to subprocess' stdin")
rc = p.returncode
The r...