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Remove empty elements from an array in Javascript
... that pass the criteria of the callback function you provide to it.
For example, if you want to remove null or undefined values:
var array = [0, 1, null, 2, "", 3, undefined, 3,,,,,, 4,, 4,, 5,, 6,,,,];
var filtered = array.filter(function (el) {
return el != null;
});
console.log(f...
Why are Oracle table/column/index names limited to 30 characters?
..., but there is always a case that turns up where we hit this limit - especially in naming foreign keys.
10 Answers
...
Bootstrap Modal immediately disappearing
... also. For me, I had my theme's bootstrap.min.js pulled in from functions.php. However, I had later installed the Bootstrap shortcodes plugin, which added it's own bootstrap.js. So I just commented out my themes version from functions.php, and now it works perfectly. Thanks for you help.. even 8...
Why do people say there is modulo bias when using a random number generator?
...ted an additional answer explaining the problem in detail and giving the example code solution.
– Ben Personick
Oct 31 '17 at 12:08
...
Which is the preferred way to concatenate a string in Python?
...b):
0.0132720470428
a.join(a):
0.114929914474
Well, append/join is marginally faster there if you are using extremely long strings (which you usually aren't, what would you have a string that's 100MB in memory?)
But the real clincher is Python 2.3. Where I won't even show you the timings, because...
How to filter a dictionary according to an arbitrary condition function?
...
And here is a good explanation why the function call dict() is slower than the constructor/literal syntax {} doughellmann.com/2012/11/…
– dorvak
Jul 10 '13 at 9:37
...
Are Swift variables atomic?
...that always needed a custom setter because they had to do something. For example, a color property that needs to redraw a view when the property is changed to a different value; that is now done easier using didSet.
– gnasher729
Jun 11 '14 at 9:22
...
What are JavaScript's builtin strings?
...+(-{}+{})[-1+1e1-1]+(1+[!!1])[1]+([]+1+{}
)[1<<1]+[!!/!!/+[]][+[]][1&1]]+/=/)[1e1+(1<<1|1)+(([]+/-/[(
!!1+[])[1>>1]+(!!1+[])[1<<1^1]+(!1+[])[1|1<<1]+(!!1+[])[1^1
]])[1^1]==+!1)]+(!![]+{})[1|1<<1]+[1+{}+1][!1+!1][(11>>1)+1
]](([]+/-/[(!!1+[])[1>>1]+...
Geometric Mean: is there a built-in?
...rk as coded... see gm_mean(c(1:3, NA), na.rm = T). You need to remove the & !is.na(x) from the vector subset, and since the first arg of sum is ..., you need to pass na.rm = na.rm by name, and you also need to exclude 0's and NA's from the vector in the length call.
– Grego...
How to check BLAS/LAPACK linkage in NumPy and SciPy?
... Given its widespread usefulness, numpy.__config__ should really be a public API. Nonetheless, you win this round, davost.
– Cecil Curry
Feb 5 '16 at 5:51
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