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Handling very large numbers in Python
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180
Python supports a "bignum" integer type which can work with arbitrarily large numbers. In Python...
Is it a good idea to index datetime field in mysql?
... elimination of rows between conditions: http://dev.mysql.com/doc/refman/5.0/en/mysql-indexes.html
This makes your datetime column an excellent candidate for an index if you are going to be using it in conditions frequently in queries. If your only condition is BETWEEN NOW() AND DATE_ADD(NOW(), IN...
How to abort an interactive rebase if --abort doesn't work?
...o the commit it expects.
git update-ref refs/heads/master b918ac16a33881ce00799bea63d9c23bf7022d67
Then, abort the rebase again.
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Difference between sampling and profiling in jVisualVM
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10
I have found that Sampling is more than accurate enough every time I've used it for pinpointing the bad performing methods. I personally nev...
How to create an instance of anonymous class of abstract class in Kotlin?
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Michael LangMichael Lang
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Calculating distance between two points, using latitude longitude?
... height difference. If you are not interested in height
* difference pass 0.0. Uses Haversine method as its base.
*
* lat1, lon1 Start point lat2, lon2 End point el1 Start altitude in meters
* el2 End altitude in meters
* @returns Distance in Meters
*/
public static double distance(double lat...
What does an Asterisk (*) do in a CSS selector?
...y margin to every element on my entire page you can use:
* {
margin: 10px;
}
You can also use this within sub-selections, for example the following would add a margin to all elements within a paragraph tag:
p * {
margin: 10px;
}
Your example is doing some css trickery to apply consecut...
JavaScript - cannot set property of undefined
... data: c
};
};
If you're in an environment that supports ES2015 features, you can use computed property names:
d = {
[a]: {
greetings: b,
data: c
}
};
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Comparing Timer with DispatcherTimer
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John Cummings
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answered Jul 10 '09 at 20:05
Reed CopseyReed Cop...
How to get random value out of an array?
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