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pg_config executable not found
...ed to install the Homebrew package manager first in order for the brew command to work.
– seane
Dec 2 '14 at 20:49
Wor...
What does if __name__ == “__main__”: do?
... file, it does two things:
it sets a few special variables like __name__, and then
it executes all of the code found in the file.
Let's see how this works and how it relates to your question about the __name__ checks we always see in Python scripts.
Code Sample
Let's use a slightly different cod...
Comparing date part only without comparing time in JavaScript
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I'm still learning JavaScript, and the only way that I've found which works for me to compare two dates without the time is to use the setHours method of the Date object and set the hours, minutes, seconds and milliseconds to zero. Then compare the two dat...
The command rbenv install is missing
In Ubuntu 10.04 I just installed rbenv .
The install command is not present.
8 Answers
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Proper use of beginBackgroundTaskWithExpirationHandler
I'm a bit confused about how and when to use beginBackgroundTaskWithExpirationHandler .
5 Answers
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Retrieve a Fragment from a ViewPager
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If all you need to do is get the currently selected Fragment, this is all you need - the method setPrimaryItem is set on attach and also on every updated to the internal set of the Fragment as the current item.
– Graeme
Jul 17 '1...
Django - how to create a file and save it to a model's FileField?
Here's my model. What I want to do is generate a new file and overwrite the existing one whenever a model instance is saved:
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How to develop a soft keyboard for Android? [closed]
... is showing in setting option with built in keyboard, but in actual when i select my custom keyboard to replace inbuilt keyboard my app in crashing. Do you have any idea where i am going wrong?
– Aniket
Oct 10 '13 at 9:39
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Specifying and saving a figure with exact size in pixels
...-- it seems that the DPI saved is always 0.02 pixels/inch smaller than the selected value, which will have a (small) effect on large image sizes. Some more discussion of this here.
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What is the EAFP principle in Python?
...mmon Python coding style assumes the existence of valid keys or attributes and catches exceptions if the assumption proves false. This clean and fast style is characterized by the presence of many try and except statements. The technique contrasts with the LBYL style common to many other languages s...