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if (key in object) or if(object.hasOwnProperty(key)
...ls us), will only return true if key is available on that object directly (its "owns" the property).
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How to install Homebrew on OS X?
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It's on the top of the Homebrew homepage.
From a Terminal prompt:
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
The command brew install wget is an example of how to use Homebrew t...
Removing rounded corners from a element in Chrome/Webkit
...dius of 0px through my external stylesheet, as well inline on the element itself; I've tried both border-radius:0px and -webkit-border-radius:0px; and I've tried the even more specific border-top-left-radius:0px (along with it's -webkit equivalent).
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How do I fix "The expression of type List needs unchecked conversion…'?
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Since getEntries returns a raw List, it could hold anything.
The warning-free approach is to create a new List<SyndEntry>, then cast each element of the sf.getEntries() result to SyndEntry before adding it to your new list. Collections.checkedList does no...
Create numpy matrix filled with NaNs
...ou rarely need loops for vector operations in numpy.
You can create an uninitialized array and assign to all entries at once:
>>> a = numpy.empty((3,3,))
>>> a[:] = numpy.nan
>>> a
array([[ NaN, NaN, NaN],
[ NaN, NaN, NaN],
[ NaN, NaN, NaN]])
I hav...
Comparison of DES, Triple DES, AES, blowfish encryption for data
...oes anyone have pros and cons together for comparing these encryption algorithms ?
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How to join two generators in Python?
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I think itertools.chain() should do it.
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I want my android application to be only run in portrait mode?
I want my android application to be only run in portrait mode?
How can I do that?
6 Answers
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what does -webkit-transform: translate3d(0,0,0); exactly do? Apply to body?
what does -webkit-transform: translate3d(0,0,0); exactly do?
Does it have any performance issues? Should I just apply it to the body or individual elements? It seems to improve scroll events drastically.
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Why does only the first line of this Windows batch file execute but all three lines execute in a com
...er the other. Each command can be successfully executed in the script - by itself!. But when I add all three commands to the same file, only the first one executes before the script exits. Any idea why?
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