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Why is parenthesis in print voluntary in Python 2.7?
In Python 2.7 both the following will do the same
4 Answers
4
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Windows Explorer “Command Prompt Here” [closed]
I frequently find myself with a folder open in Windows, wishing to have a command prompt open with the same working directory.
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What is a “symbol” in Julia?
Specifically:
I am trying to use Julia's DataFrames package, specifically the readtable() function with the names option, but that requires a vector of symbols.
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Convert one date format into another in PHP
Is there a simple way to convert one date format into another date format in PHP?
15 Answers
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How to drop columns by name in a data frame
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You should use either indexing or the subset function. For example :
R> df <- data.frame(x=1:5, y=2:6, z=3:7, u=4:8)
R> df
x y z u
1 1 2 3 4
2 2 3 4 5
3 3 4 5 6
4 4 5 6 7
5 5 6 7 8
Then you can use the which function and the - operat...
How to calculate “time ago” in Java?
In Ruby on Rails, there is a feature that allows you to take any Date and print out how "long ago" it was.
30 Answers
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How do I convert this list of dictionaries to a csv file?
I have a list of dictionaries that looks something like this:
7 Answers
7
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What's the difference between Perl's backticks, system, and exec?
Can someone please help me? In Perl, what is the difference between:
5 Answers
5
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How exactly does the “Specific Version” property of an assembly reference work in Visual Studio?
...ad a closer look at the "Specific Version" property of assembly references in Visual Studio 2010. After a few experiments with unexpected results I set out to learn as much as possible about how the property works. Even SO, it appears to me, does not have all the answers, so here is my attempt at se...
Eclipse interface icons very small on high resolution screen in Windows 8.1
The various icons and buttons in the Eclipse (Kepler) interface are very, very small on a laptop with a 3200x1800px screen. The red error decoration that appears to indicate errors on files is difficult to see unless my nose a few cm from the screen.
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