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bool operator ++ and --
... the integral value is anything else - notably this includes 0 [false] and 2 or more [true]).
So as a short-hand ++ worked, and -- didn't.
++ is allowed on bools for compatibility with this, but its use is deprecated in the standard and it was removed in C++17.
This assumes that I only use x as an ...
Convert UNIX epoch to Date object
...integers representing the number of seconds since the UNIX epoch (e.g. 1352068320 ), but Date objects seem more appropriate for plotting. How can I do the conversion?
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How can I open Windows Explorer to a certain directory from within a WPF app?
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answered Nov 17 '09 at 2:01
Jamie PenneyJamie Penney
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How do I update if exists, insert if not (AKA “upsert” or “merge”) in MySQL?
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2 Answers
2
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How to calculate a mod b in Python?
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243
There's the % sign. It's not just for the remainder, it is the modulo operation.
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Efficiently updating database using SQLAlchemy ORM
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edited Jul 24 '19 at 9:13
evandrix
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SQL update trigger only when column is modified
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128
You have two way for your question :
1- Use Update Command in your Trigger.
ALTER TRIGGER [db...
How can I set the aspect ratio in matplotlib?
...get_extent()
ax.set_aspect(abs((extent[1]-extent[0])/(extent[3]-extent[2]))/aspect)
data = np.random.rand(10,20)
fig = plt.figure()
ax = fig.add_subplot(111)
ax.imshow(data)
ax.set_xlabel('xlabel')
ax.set_aspect(2)
fig.savefig('equal.png')
ax.set_aspect('auto')
fig.savefig('auto.png')
forceAsp...
How to construct a set out of list items in python?
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edited Apr 2 '13 at 16:14
answered Apr 2 '13 at 16:02
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