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Numpy: find first index of value fast
...e reference:
Using numba (1) is the easiest way until numpy implements it. If you use anaconda python distribution it should already be installed.
The code will be compiled so it will be fast.
@jit(nopython=True)
def find_first(item, vec):
"""return the index of the first occurence of item in v...
How to exclude a directory in find . command
... run a find command for all JavaScript files, but how do I exclude a specific directory?
38 Answers
...
Programmatically obtain the phone number of the Android phone
..."???????", and it can return a stale phone number that is no longer valid. If you want something that uniquely identifies the device, you should use getDeviceId() instead.
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Check if list contains any of another list
...practice - for all non-trivial list lengths the Intersect will be faster - if the lists are trivially short, it does not matter one way or another (in that case performance probably is not your concern at all anyway)
– BrokenGlass
Oct 20 '16 at 15:46
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How to get maximum value from the Collection (for example ArrayList)?
...
Yes, iterating through the list is O(n log(n)) but if "There is no particularly efficient way", what do you propose that is a better solution besides checking them all?
– gotomanners
Nov 29 '11 at 9:53
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Sort array of objects by string property value
...nough to write your own comparison function:
function compare( a, b ) {
if ( a.last_nom < b.last_nom ){
return -1;
}
if ( a.last_nom > b.last_nom ){
return 1;
}
return 0;
}
objs.sort( compare );
Or inline (c/o Marco Demaio):
objs.sort((a,b) => (a.last_nom > b.last...
How to deal with floating point number precision in JavaScript?
...?
That depends on what kind of
calculations you’re doing.
If you really need your results to add up exactly, especially when you
work with money: use a special decimal
datatype.
If you just don’t want to see all those extra decimal places: simply
format your result rounded...
How do I get Flask to run on port 80?
...rowing up that error message because you have apache2 running on port 80.
If this is for development, I would just leave it as it is on port 5000.
If it's for production either:
Not Recommended
Stop apache2 first;
Not recommended as it states in the documentation:
You can use the builtin...
How to uncheck checkbox using jQuery Uniform library
...
Looking at their docs, they have a $.uniform.update feature to refresh a "uniformed" element.
Example: http://jsfiddle.net/r87NH/4/
$("input:checkbox").uniform();
$("body").on("click", "#check1", function () {
var two = $("#check2").attr("checked", this.che...
List files ONLY in the current directory
...stead of os.walk.
Example:
import os
files = [f for f in os.listdir('.') if os.path.isfile(f)]
for f in files:
# do something
But be careful while applying this to other directory, like
files = [f for f in os.listdir(somedir) if os.path.isfile(f)].
which would not work because f is not...