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How to call shell commands from Ruby
How do I call shell commands from inside of a Ruby program? How do I then get output from these commands back into Ruby?
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How to take the first N items from a generator or list in Python? [duplicate]
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and if you want to take the five that follows each time you can use: iter(array) instead of array.
– yucer
Jun 15 '16 at 13:57
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Why don't Java's +=, -=, *=, /= compound assignment operators require casting?
...6.2
[...] the following code is correct:
short x = 3;
x += 4.6;
and results in x having the value 7 because it is equivalent to:
short x = 3;
x = (short)(x + 4.6);
In other words, your assumption is correct.
s...
Why is there no tuple comprehension in Python?
...an the comprehension syntax is not needed? Perhaps not, but it is awfully handy. For the rare cases you need a tuple instead, the generator expression will do, is clear, and doesn't require the invention of another brace or bracket.
– Martijn Pieters♦
Jun 5 '...
How to add leading zeros?
...s of 10 width 8 too.
anim <- 25499:25504
x <- 10 ^ (0:5)
paste (and it's variant paste0) are often the first string manipulation functions that you come across. They aren't really designed for manipulating numbers, but they can be used for that. In the simple case where we always have t...
How to apply multiple styles in WPF
...xists on the base class of the element that I want to apply two styles to. And, in the second style which is based on the base style, I set another property.
So, the idea here ... is if you can somehow separate the properties that you want to set ... according the inheritance hierarchy of the eleme...
Writing a pandas DataFrame to CSV file
I have a dataframe in pandas which I would like to write to a CSV file. I am doing this using:
7 Answers
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How to locate a file in Solution Explorer in Visual Studio 2010?
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There's an option to track the active (open and viewed) item in the solution explorer. If the file is in view, the file in the solution explorer will be selected.
Tools->Options->Projects and Solutions->Track Active Item in Solution Explorer
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How to check if a path is absolute path or relative path in cross platform way with Python?
...'/', whereas Windows starts with alphabet 'C:' or '\'.
Does python has a standard function to check if a path is absolute or relative?
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How to search a string in multiple files and return the names of files in Powershell?
I have started learning powershell a couple of days ago, and I couldn't find anything on google that does what I need so please bear with my question.
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