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Removing viewcontrollers from navigation stack
... back button showed on 5 is not affected. I click back, it shows 3 but the title of 4. I click back again, it shows 3 with the title of 3
– Radu Simionescu
Sep 15 '15 at 9:30
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bash assign default value
...ERY_LONG_VARIABLE_NAME=${VERY_LONG_VARIABLE_NAME:-hello}. I hope you use descriptive variable names in your code :)
– pihentagy
Mar 5 '14 at 14:12
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An “and” operator for an “if” statement in Bash
I'm trying to create a simple Bash script to check if the website is down and for some reason the "and" operator doesn't work:
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How to create file execute mode permissions in Git on Windows?
I use Git in Windows, and want to push the executable shell script into git repo by one commit.
5 Answers
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Setting Vim whitespace preferences by filetype
...2 sw=2
autocmd FileType ruby setlocal ts=2 sts=2 sw=2
autocmd FileType javascript setlocal ts=4 sts=4 sw=4
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Capturing Ctrl-c in ruby
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FYI, 130 is the correct exit code for Ctrl-C interrupted scripts: google.com/search?q=130+exit+code&en= (130 | Script terminated by Control-C | Ctl-C | Control-C is fatal error signal 2, (130 = 128 + 2, see above))
– Dorian
Apr 17 '17 at 2...
Join a list of strings in python and wrap each string in quotation marks
...t the miniscule speed difference here is the entire bottleneck of a Python script. Also this code is much less intuitive so it is not better, it is very slightly faster. My solution is more pythonic and readable
– jamylak
Oct 15 '16 at 1:14
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Python serialization - Why pickle?
... all the information necessary to reconstruct the object in another python script.
As for where the pickled information is stored, usually one would do:
with open('filename', 'wb') as f:
var = {1 : 'a' , 2 : 'b'}
pickle.dump(var, f)
That would store the pickled version of our var dict in...
How to make pipes work with Runtime.exec()?
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Write a script, and execute the script instead of separate commands.
Pipe is a part of the shell, so you can also do something like this:
String[] cmd = {
"/bin/sh",
"-c",
"ls /etc | grep release"
};
Process p = Runtime.getRuntime...
Can existing virtualenv be upgraded gracefully?
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Thanks! I tried your method and see that the 'activate' script is updated, but the old version remains (please see the revised question). Are you able to provide an example?
– Matt Norris
Jan 31 '10 at 14:13
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