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Actual meaning of 'shell=True' in subprocess
...lling via the shell is that you are not invoking a 'mystery program.' On POSIX, the environment variable SHELL controls which binary is invoked as the "shell." On Windows, there is no bourne shell descendent, only cmd.exe.
So invoking the shell invokes a program of the user's choosing and is plat...
Converting NSString to NSDate (and back again)
...
totally worth checking this post.
– iOmi
Jan 22 '13 at 9:45
7
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How to override and extend basic Django admin templates?
...sue about a year and a half ago and I found a nice template loader on djangosnippets.org that makes this easy. It allows you to extend a template in a specific app, giving you the ability to create your own admin/index.html that extends the admin/index.html template from the admin app. Like this:
{%...
How to upgrade Eclipse for Java EE Developers?
...o-date? Could user really upgrade 3.7 to 4.3 for example? What about all those plugins, that can break on newer platform?
– Paul Verest
Jun 28 '13 at 7:14
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What does -fPIC mean when building a shared library?
...
PIC stands for Position Independent Code
and to quote man gcc:
If supported for the target machine, emit position-independent code, suitable for dynamic linking and avoiding any limit on the size of the global offset table. This option ...
Pass all variables from one shell script to another?
...
MESSAGE="hello"
export MESSAGE
./b.py
b.py:
#!/usr/bin/python
import os
print 'The message is:', os.environ['MESSAGE']
Sourcing:
Instead we could source like this:
a.sh:
#!/bin/sh
MESSAGE="hello"
. ./b.sh
b.sh:
#!/bin/sh
echo "The message is: $MESSAGE"
Then:
$ ./a.sh
The message...
Why does an NSInteger variable have to be cast to long when used as a format argument?
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You get this warning if you compile on OS X (64-bit), because on that platform NSInteger is defined as long and is a 64-bit integer. The %i format, on the other hand, is for int, which is 32-bit. So the format and the actual parameter do not match in size.
Since ...
View's getWidth() and getHeight() returns 0
...o you need a workaround for waiting for this phase. There a are different possible solutions to this:
1. Listen to Draw/Layout Events: ViewTreeObserver
A ViewTreeObserver gets fired for different drawing events. Usually the OnGlobalLayoutListener is what you want for getting the measurement, so the ...
How to make Java honor the DNS Caching Timeout?
...e. Through some DNS magic, the domain name is resolved into an IP that's closest to the server with least load. For the load-balancing to work, the application server needs to honor the TTL from DNS response and to resolve the domain name again when cache times out. However, I couldn't figure out a ...
Python multiprocessing PicklingError: Can't pickle
...oduce the error with a simpler example, and my code is too complicated to post. If I run the program in IPython shell instead of the regular Python, things work out well.
...