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Calculating how many minutes there are between two times
... you trying 'span.Minutes', this will return only the minutes of timespan [0~59], to return sum of all minutes from this interval, just use 'span.TotalMinutes'.
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MySQL stored procedure vs function, which would I use when?
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105
You can't mix in stored procedures with ordinary SQL, whilst with stored function you can.
e.g...
How can I divide two integers to get a double?
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answered Mar 19 '09 at 4:14
NoahDNoahD
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How do different retention policies affect my annotations?
...urce:
The old URL is dead now
hunter_meta and replaced with hunter-meta-2-098036. In case even this goes down, I am uploading the image of the page.
Image (Right Click and Select 'Open Image in New Tab/Window')
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How to split/partition a dataset into training and test datasets for, e.g., cross validation?
...k of the indices:
import numpy
# x is your dataset
x = numpy.random.rand(100, 5)
numpy.random.shuffle(x)
training, test = x[:80,:], x[80:,:]
or
import numpy
# x is your dataset
x = numpy.random.rand(100, 5)
indices = numpy.random.permutation(x.shape[0])
training_idx, test_idx = indices[:80], ind...
How to get a list of installed android applications and pick one to run
...gAppsList = context.getPackageManager().queryIntentActivities( mainIntent, 0);
You will get all the necessary data in the ResolveInfo to start a application. You can check ResolveInfo javadoc here.
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String replacement in Objective-C
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edited Mar 20 '09 at 22:45
answered Mar 20 '09 at 22:39
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How does variable assignment work in JavaScript?
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edited Aug 11 '18 at 14:50
Volker E.
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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
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30 Answers
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Java `final` method: what does it promise?
...ss is a good example.
public class Counter {
private int counter = 0;
public final int count() {
return counter++;
}
public final int reset() {
return (counter = 0);
}
}
If the public final int count() method is not final, we can do something like this:
C...