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Escaping a forward slash in a regular expression
My question is a simple one, and it is about regular expression escaping. Do you have to escape a forward slash / in a regular expression? And how would you go about doing it?
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Remove the first character of a string
I would like to remove the first character of a string.
4 Answers
4
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Using sed and grep/egrep to search and replace
I am using egrep -R followed by a regular expression containing about 10 unions, so like:
.jpg | .png | .gif etc. This works well, now I would like to replace all strings found with .bmp
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Show pop-ups the most elegant way
I have this AngularJS app. Everything works just fine.
5 Answers
5
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How to get one value at a time from a generator function in Python?
Very basic question - how to get one value from a generator in Python?
6 Answers
6
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How can you determine a point is between two other points on a line segment?
Let's say you have a two dimensional plane with 2 points (called a and b) on it represented by an x integer and a y integer for each point.
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Python Matplotlib figure title overlaps axes label when using twiny
I am trying to plot two separate quantities on the same graph using twiny as follows:
6 Answers
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Can a for loop increment/decrement by more than one?
Are there other ways to increment a for loop in Javascript besides i++ and ++i ? For example, I want to increment by 3 instead of one.
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How should one use std::optional?
I'm reading the documentation of std::experimental::optional and I have a good idea about what it does, but I don't understand when I should use it or how I should use it. The site doesn't contain any examples as of yet which leaves it harder for me to grasp the true concept of this object. When...
PHP memory profiling
What's a good way to profile a PHP page's memory usage? For example, to see how much memory my data is using, and/or which function calls are allocating the most memory.
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