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When to use virtual destructors?
I have a solid understanding of most OOP theory but the one thing that confuses me a lot is virtual destructors.
17 Answe...
Do NSUserDefaults persist through an Update to an app in the Appstore?
... NSUserDefaults get reset when you submit an update to an app on the App Store, or are they reset?
6 Answers
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How to print without newline or space?
... trouble with buffering, you can flush the output by adding flush=True keyword argument:
print('.', end='', flush=True)
Python 2.6 and 2.7
From Python 2.6 you can either import the print function from Python 3 using the __future__ module:
from __future__ import print_function
which allows you...
Get Current Area Name in View or Controller
How do you get the current area name in the view or controller?
12 Answers
12
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What are the most common naming conventions in C?
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The most important thing here is consistency. That said, I follow the GTK+ coding convention, which can be summarized as follows:
All macros and constants in caps: MAX_BUFFER_SIZE, TRACKING_ID_PREFIX.
Struct names and typedef's in came...
Command not found when using sudo
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Permission denied
In order to run a script the file must have an executable permission bit set.
In order to fully understand Linux file permissions you can study the documentation for the chmod command. chmod, an abbreviation of change mode, is ...
Jinja2 shorthand conditional
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A shorthand for {{ value if value else 'No value' }} would be {{ value or 'No value' }}
– Don Grem
Dec 30 '14 at 11:39
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Is there any way to redraw tmux window when switching smaller monitor to bigger one?
... ssh with Terminal.app. When you "tmux attach" with bigger resolution monitor from smaller one you previously started tmux, it draws dots around the console. It doesn't fit the new window size. Is there any way to redraw and clean the window? CTRL + L or CTRL - B + R doesn't help. I couldn't f...
Cleanest way to write retry logic?
Occasionally I have a need to retry an operation several times before giving up. My code is like:
29 Answers
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How to show line number when executing bash script
...ich has a lot of commands and will generate lots of output, I use set -x or set -v and set -e , so the script would stop when error occurs. However, it's still rather difficult for me to locate which line did the execution stop in order to locate the problem.
Is there a method which can output ...