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Is it correct to use JavaScript Array.sort() method for shuffling?
...orithm which effectively partitions the collection into "shuffled" (at the start of the collection, initially empty) and "unshuffled" (the rest of the collection). At each step of the algorithm, pick a random unshuffled element (which could be the first one) and swap it with the first unshuffled ele...
Stop/Close webcam which is opened by navigator.getUserMedia
...
FF, Chrome and Opera has started exposing getUserMedia via navigator.mediaDevices as standard now (Might change :)
online demo
navigator.mediaDevices.getUserMedia({audio:true,video:true})
.then(stream => {
window.localStream = strea...
When to use ' (or quote) in Lisp?
...ring and returning a list of the resulting ... things. Let's make a false start:
(defun mess-with (number string)
'(value-of-number (1+ number) something-with-string (length string)))
Lisp> (mess-with 20 "foo")
(VALUE-OF-NUMBER (1+ NUMBER) SOMETHING-WITH-STRING (LENGTH STRING))
Hey! That's...
Can “using” with more than one resource cause a resource leak?
...WeylandYutani: This is a question-and-answer site. If you have a question, start a new question please!
– Eric Lippert
Jan 14 '14 at 20:31
5
...
Hg: How to do a rebase like git's rebase
...r you're describing, which is nearly daily, here's the pattern I take:
1. Start working on a new feature:
$ hg clone mainline-repo newfeature-123
do a few commits (M, N, O)
master A---B---C
\
newfeature-123 M---N---O
2. Pull new changes from upstream mainline:
$ hg pull
master ...
How to generate random number with the specific length in python
...igits:
from random import randint
def random_with_N_digits(n):
range_start = 10**(n-1)
range_end = (10**n)-1
return randint(range_start, range_end)
print random_with_N_digits(2)
print random_with_N_digits(3)
print random_with_N_digits(4)
Output:
33
124
5127
...
Difference between JVM and HotSpot?
... of the Java Platform, Standard Edition (Java SE).The openjdk is a project started by Sun Microsystems, nowadays care by many companies and the community for build a Java Development Kit absolutely in open source. As per the official documentation.
OpenJDK is an open-source implementation of the Ja...
How to prevent auto-closing of console after the execution of batch file
... command prompt windows and the new windows will not exit automatically.
start "title" call abcd.exe param1 param2
start "title" call xyz.exe param1 param2
share
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improve this answer
...
How to tell if node.js is installed or not
..."open a terminal window" means do 1 of 2 things in Windows. Either use the Start button, go to Accessories, click Command Prompt; or in the Start button, go to All Programs, then the Node directory, then Node.js Command Prompt. Node has changed and a lot of blogs are way out of date, or just plain ...
How to print to console in pytest?
...t:
>>> py.test tmp.py
============================= test session starts ==============================
platform darwin -- Python 2.7.6 -- py-1.4.20 -- pytest-2.5.2
plugins: cache, cov, pep8, xdist
collected 2 items
tmp.py .F
=================================== FAILURES ==================...