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How do I make a transparent canvas in html5?
How can I make a canvas transparent? I need to because I want to put two canvases on top of one another.
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How to sort a dataFrame in python pandas by two or more columns?
Suppose I have a dataframe with columns a , b and c , I want to sort the dataframe by column b in ascending order, and by column c in descending order, how do I do this?
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Use find command but exclude files in two directories
I want to find files that end with _peaks.bed , but exclude files in the tmp and scripts folders.
6 Answers
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Regex to remove all (non numeric OR period)
...e ($3,004.50)" to be filtered down to 3004.50 but am terrible at regex and can't find a suitable solution. So only numbers and periods should stay - everything else filtered. I use C# and VS.net 2008 framework 3.5
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What is the zero for string?
The documentation says :
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How exactly does the python any() function work?
In the python docs page for any , the equivalent code for the any() function is given as:
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Replace all non-alphanumeric characters in a string
I have a string with which i want to replace any character that isn't a standard character or number such as (a-z or 0-9) with an asterisk. For example, "h^&ell`.,|o w]{+orld" is replaced with "h*ell*o*w*orld". Note that multiple characters such as "^&" get replaced with one asterisk. How would I go...
Creating java date object from year,month,day
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Measuring text width to be drawn on Canvas ( Android )
Is there a method which returns the width ( in pixels ) of a text to be drawn on an Android canvas using the drawText() method according to the Paint used to draw it?
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How to show current year in view?
Is there a function I can use to show the current year in a view? I have tried
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