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How to convert Set to Array?
...y good way to get properties, except for generator [Set].values, which is called in an awkward way of mySet.values.next() .
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How to easily truncate an array with JavaScript?
Linq has a convenient operator method called Take() to return a given number of elements in anything that implements IEnumerable . Is there anything similar in jQuery for working with arrays?
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How to leave/exit/deactivate a Python virtualenv
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Usually, activating a virtualenv gives you a shell function named:
$ deactivate
which puts things back to normal.
I have just looked specifically again at the code for virtualenvwrapper, and, yes, it too supports deactivate ...
Pure JavaScript: a function like jQuery's isNumeric() [duplicate]
... way of doing this (then going ahead and using parseFloat, which doesn't really seem different). Interestingly isFinite will get you the result you're after in almost all cases on its own (apart from whitespace strings, which for some reason return true), so parseInt vs parseFloat seems irrelevant i...
How Do I Make Glyphicons Bigger? (Change Size?)
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Increase the font-size of glyphicon to increase all icons size.
.glyphicon {
font-size: 50px;
}
To target only one icon,
.glyphicon.glyphicon-globe {
font-size: 75px;
}
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Difference between if () { } and if () : endif;
... @alex It will work with curly brackets as well, but at least personally I find this way kind of clearer in things like this. Cause they you know that it is the end of an if, and not the end of a loop of some sort or something else. Think you have endfor and endwhile or something similar too....
Android Paint: .measureText() vs .getTextBounds()
I'm measuring text using Paint.getTextBounds() , since I'm interested in getting both the height and width of the text to be rendered. However, the actual text rendered is always a bit wider than the .width() of the Rect information filled by getTextBounds() .
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Peak signal detection in realtime timeseries data
...andard deviations away from some moving mean, the algorithm signals (also called z-score). The algorithm is very robust because it constructs a separate moving mean and deviation, such that signals do not corrupt the threshold. Future signals are therefore identified with approximately the same accu...
Validate phone number with JavaScript
...he form NXX NXX XXXX where N is a digit 2-9 and X is a digit 0-9. Additionally, area codes and exchanges may not take the form N11 (end with two ones) to avoid confusion with special services except numbers in a non-geographic area code (800, 888, 877, 866, 855, 900) may have a N11 exchange.
So, y...
Jinja2 template variable if None Object set a default value
...do:
{{ p|default('', true) }}
Cause None casts to False in boolean context.
Update: As lindes mentioned, it works only for simple data types.
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