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How can I multiply all items in a list together with Python?
...tools import reduce
>>> reduce(lambda x, y: x*y, [1,2,3,4,5,6])
720
Python 2: use reduce:
>>> reduce(lambda x, y: x*y, [1,2,3,4,5,6])
720
For compatible with 2 and 3 use pip install six, then:
>>> from six.moves import reduce
>>> reduce(lambda x, y: x*y, [1,...
How do I access properties of a javascript object if I don't know the names?
...;
}
This example loops through values, so it would log Property Name and 0. N.B.: The for each syntax is mostly only supported in Firefox, but not in other browsers.
If your target browsers support ES5, or your site includes es5-shim.js (recommended), you can also use Object.keys:
var data = { N...
How to programmatically set drawableLeft on Android button?
...
1079
You can use the setCompoundDrawables method to do this. See the example here. I used this with...
How does Python manage int and long?
... |
edited Oct 31 '19 at 7:08
Cristian Ciupitu
17.3k77 gold badges4646 silver badges6868 bronze badges
an...
What is the fastest way to compute sin and cos together?
...s yet another example (with gcc): http://www.allegro.cc/forums/thread/588470
Hope one of them helps.
(I didn't use this instruction myself, sorry.)
As they are supported on processor level, I expect them to be way much faster than table lookups.
Edit:
Wikipedia suggests that FSINCOS was added at ...
How to get Vim to highlight non-ascii characters?
...lsearch enabled) all other characters lying outside the ASCII range:
/[^\x00-\x7F]
This will do a negative match (via [^]) for characters between ASCII 0x00 and ASCII 0x7F (0-127), and appears to work in my simple test. For extended ASCII, of course, extend the range up to \xFF instead of \x7F us...
How to write an inline IF statement in JavaScript?
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Mr.Web
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answered Apr 22 '12 at 17:40
MattWMattW
...
How to upload files to server using JSP/Servlet?
...
1202
+200
Introdu...
Get filename and path from URI from mediastore
...|
edited Jul 9 '18 at 18:20
Hasib Akter
6,59122 gold badges1919 silver badges3333 bronze badges
answered...
Check if PHP session has already started
...
Recommended way for versions of PHP >= 5.4.0 , PHP 7
if (session_status() == PHP_SESSION_NONE) {
session_start();
}
Reference: http://www.php.net/manual/en/function.session-status.php
For versions of PHP < 5.4.0
if(session_id() == '') {
session_start()...