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What does the comma operator , do?
...ression2)
First expression1 is evaluated, then expression2 is evaluated, and the value of expression2 is returned for the whole expression.
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Is there an R function for finding the index of an element in a vector?
In R, I have an element x and a vector v . I want to find the first index of an element in v that is equal to x . I know that one way to do this is: which(x == v)[[1]] , but that seems excessively inefficient. Is there a more direct way to do it?
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Slow Requests on Local Flask Server
Just starting to play around with Flask on a local server and I'm noticing the request/response times are way slower than I feel they should be.
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How can I find the first occurrence of a sub-string in a python string?
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@Regressor: look into regex and word boundaries.
– mechanical_meat
Apr 12 at 23:29
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Is there Unicode glyph Symbol to represent “Search” [closed]
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There is U+1F50D LEFT-POINTING MAGNIFYING GLASS (????) and U+1F50E RIGHT-POINTING MAGNIFYING GLASS (????).
You should use (in HTML) 🔍 or 🔎
They are, however not supported by many fonts (fileformat.info only lists a few fonts as supporting the Codepoint w...
Is calculating an MD5 hash less CPU intensive than SHA family functions?
Is calculating an MD5 hash less CPU intensive than SHA-1 or SHA-2 on "standard" laptop x86 hardware? I'm interested in general information, not specific to a certain chip.
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How to drop SQL default constraint without knowing its name?
...ver, I know the query to check if a default constraint exists for a column and drop a default constraint is:
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Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?
.... Is it ever advantageous to use goto in a language that supports loops and functions? If so, why?
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Visual Studio 2013 and BitBucket
...nter the URL to your BitBucket repository (must already exist in BitBucket and must be empty) and click "Publish"
Enter your BitBucket credentials when prompted. After the publish finishes you'll get a results message like this.
Use the "Sync" button to update BitBucket with your local co...
Plot two histograms on single chart with matplotlib
I created a histogram plot using data from a file and no problem. Now I wanted to superpose data from another file in the same histogram, so I do something like this
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