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How to draw a rounded Rectangle on HTML Canvas?
I found that there are only can fill rectangle, but no rounded corner one, how can I do that?
12 Answers
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Designing function f(f(n)) == -n
A question I got on my last interview:
118 Answers
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Converting strings to floats in a DataFrame
How to covert a DataFrame column containing strings and NaN values to floats. And there is another column whose values are strings and floats; how to convert this entire column to floats.
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Is there a performance gain in using single quotes vs double quotes in ruby?
Do you know if using double quotes instead of single quotes in ruby decreases performance in any meaningful way in ruby 1.8 and 1.9.
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Split (explode) pandas dataframe string entry to separate rows
I have a pandas dataframe in which one column of text strings contains comma-separated values. I want to split each CSV field and create a new row per entry (assume that CSV are clean and need only be split on ','). For example, a should become b :
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Tricky Google interview question
A friend of mine is interviewing for a job. One of the interview questions got me thinking, just wanted some feedback.
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Normalizing mousewheel speed across browsers
For a different question I composed this answer , including this sample code .
10 Answers
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CSS: bolding some text without changing its container's size
I have a horizontal navigation menu, which is basically just a <ul> with the elements set side-by-side. I do not define width, but simply use padding, because I would like the widths to be defined by the width of the menu item. I bold the currently-selected item.
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Remove insignificant trailing zeros from a number?
Have I missed a standard API call that removes trailing insignificant zeros from a number?
15 Answers
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javascript: recursive anonymous function?
Let's say I have a basic recursive function:
19 Answers
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