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Select 50 items from list at random to write to file
So far I have figured out how to import the file, create new files, and randomize the list.
4 Answers
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Sell me on const correctness
So why exactly is it that it's always recommended to use const as often as possible? It seems to me that using const can be more of a pain than a help in C++. But then again, I'm coming at this from the python perspective: if you don't want something to be changed, don't change it. So with that ...
How can I validate a string to only allow alphanumeric characters in it?
How can I validate a string using Regular Expressions to only allow alphanumeric characters in it?
10 Answers
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Open link in new tab or window [duplicate]
Is it possible to open an a href link in a new tab instead of the same tab?
4 Answers
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What is the difference between old style and new style classes in Python?
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From New-style and classic classes:
Up to Python 2.1, old-style classes were the only flavour available to the user.
The concept of (old-style) class is unrelated to the concept of type:
if x is an instance of an old-style class, then x.__class__
designat...
Reshaping data.frame from wide to long format
I have some trouble to convert my data.frame from a wide table to a long table.
At the moment it looks like this:
9 Answe...
How to change the status bar color in Android?
First of all it's not a duplicate as in How to change the background color of android status bar
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Is there a way to take a screenshot using Java and save it to some sort of image?
Simple as the title states: Can you use only Java commands to take a screenshot and save it? Or, do I need to use an OS specific program to take the screenshot and then grab it off the clipboard?
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UIButton custom font vertical alignment
I've got a UIButton which uses a custom font, which is set when my view loads:
6 Answers
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How to clear a chart from a canvas so that hover events cannot be triggered?
I'm using Chartjs to display a Line Chart and this works fine:
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