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python numpy machine epsilon
...a given float type is to use np.finfo():
print(np.finfo(float).eps)
# 2.22044604925e-16
print(np.finfo(np.float32).eps)
# 1.19209e-07
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How do you display JavaScript datetime in 12 hour AM/PM format?
...' : 'am';
hours = hours % 12;
hours = hours ? hours : 12; // the hour '0' should be '12'
minutes = minutes < 10 ? '0'+minutes : minutes;
var strTime = hours + ':' + minutes + ' ' + ampm;
return strTime;
}
console.log(formatAMPM(new Date));
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Entity Framework - Start Over - Undo/Rollback All Migrations
... to rollback all migrations you can use:
Update-Database -TargetMigration:0
or equivalent:
Update-Database -TargetMigration:$InitialDatabase
In some cases you can also delete database and all migration classes.
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Interfacing with structs and anonymous unions with c2hs
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h4ck3rm1k3h4ck3rm1k3
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Breaking up long strings on multiple lines in Ruby without stripping newlines
... ruby style guide. One of the edicts is that no line should be wider than 80 characters. Since this is a Rails project, we often have strings that are a little bit longer - i.e. " User X wanted to send you a message about Thing Y " that doesn't always fit within the 80 character style limit.
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Assigning a variable NaN in python without numpy
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170
Yes -- use math.nan.
>>> from math import nan
>>> print(nan)
nan
>>>...
Why do function pointer definitions work with any number of ampersands '&' or asterisks '*'?
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answered Aug 1 '11 at 0:38
James McNellisJames McNellis
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How do you turn off version control in android studio?
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+100
To disable VCS in Android Studio on a Mac do the following:
Android Studio > Preferences...
In the Preferences window, select ...
CSS last-child(-1)
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answered Feb 10 '12 at 12:41
BoltClock♦BoltClock
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Python regex find all overlapping matches?
I'm trying to find every 10 digit series of numbers within a larger series of numbers using re in Python 2.6.
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