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Plotting a list of (x, y) coordinates in python matplotlib
...t is making two plots, where the index of the list gives the x-coordinate, and the first plot's y values are the a s in the pairs and the second plot's y values are the b s in the pairs.
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Cast from VARCHAR to INT - MySQL
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As described in Cast Functions and Operators:
The type for the result can be one of the following values:
BINARY[(N)]
CHAR[(N)]
DATE
DATETIME
DECIMAL[(M[,D])]
SIGNED [INTEGER]
TIME
UNSIGNED [INTEGER]
Therefore, you should use...
Convert generator object to list for debugging [duplicate]
When I'm debugging in Python using IPython, I sometimes hit a break-point and I want to examine a variable that is currently a generator. The simplest way I can think of doing this is converting it to a list, but I'm not clear on what's an easy way of doing this in one line in ipdb , since I'm so n...
How to check if an email address exists without sending an email?
...determine if a recipient actually exists:
You can connect to the server, and issue a VRFY command. Very few servers support this command, but it is intended for exactly this. If the server responds with a 2.0.0 DSN, the user exists.
VRFY user
You can issue a RCPT, and see if the mail is rejected...
How can I manipulate the strip text of facet_grid plots?
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Thanks rcs. I'm with gd047, and perhaps that should be a separate question? What you're noticing is the crowding of major x-values, I think. There should be a way to set the values of the major x-axis and y-axis tick marks manually, but I can't remembe...
What is the difference between a map and a dictionary?
... values. Isn't a dictionary the same? What is the difference between a map and a dictionary 1 ?
11 Answers
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When to use nil, blank, empty? [duplicate]
Is there any guidelines on how to differentiate between .nil? , .blank? and .empty? ?
4 Answers
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C# declare empty string array
I need to declare an empty string array and i'm using this code
9 Answers
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Is it possible to perform a 'grep search' in all the branches of a Git project?
...all the branches of a Git control sourced project? Or is there another command to run?
6 Answers
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How to obtain the number of CPUs/cores in Linux from the command line?
... awk '{print $4}'
which should return (for example) 8 (whereas the command above would return 16)
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