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What's the fastest way to loop through an array in JavaScript?
I learned from books that you should write for loop like this：
22 Answers
22
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What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
... 27
# name one
Both idioms can be mixed with normal arguments to allow a set of fixed and some variable arguments:
def foo(kind, *args, **kwargs):
pass
It is also possible to use this the other way around:
def foo(a, b, c):
print(a, b, c)
obj = {'b':10, 'c':'lee'}
foo(100,**obj)
# 100...
Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes
... HTTP request parameter based on component's own client ID and then either setting it as submitted value in case of EditableValueHolder components or queueing a new ActionEvent in case of ActionSource components), perform conversion, validation and updating the model values (EditableValueHolder comp...
Circular list iterator in Python
...e its generator starts, since iterable is only "good for one pass over the set of values".
– Jacob Krall
May 17 '16 at 2:30
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NSString with \n or line break
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If your string is going in a UIView (e.g a UILabel), you also need to set the number of lines to 0
myView.numberOfLines=0;
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Git - How to use .netrc file on Windows to save user and password
...c file in %HOME%
If you are using Windows 7/10, in a CMD session, type:
setx HOME %USERPROFILE%
and the %HOME% will be set to 'C:\Users\"username"'.
Go that that folder (cd %HOME%) and make a file called '_netrc'
Note: Again, for Windows, you need a '_netrc' file, not a '.netrc' file.
Its con...
How to list containers in Docker
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The Docker command set is simple and holds together well:
docker stack ls
docker service ls
docker image ls
docker container ls
Teaching the aliases first is confusing. Once you understand what's going on, they can save some keystrokes:
doc...
Removing duplicates from a list of lists
...:
import itertools
k = [[1, 2], [4], [5, 6, 2], [1, 2], [3], [4]]
def doset(k, map=map, list=list, set=set, tuple=tuple):
return map(list, set(map(tuple, k)))
def dosort(k, sorted=sorted, xrange=xrange, len=len):
ks = sorted(k)
return [ks[i] for i in xrange(len(ks)) if i == 0 or ks[i] != k...
How to create multidimensional array
... 64). Crockford extends the JavaScript
array object with a function that sets the number of rows and columns
and sets each value to a value passed to the function. Here is his
definition:
Array.matrix = function(numrows, numcols, initial) {
var arr = [];
for (var i = 0; i < numrow...
Automatically remove Subversion unversioned files
Does anybody know a way to recursively remove all files in a working copy that are not under version control? (I need this to get more reliable results in my automatic build VMware.)
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