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How to find index of all occurrences of element in array?
...s an optional second parameter that specifies the index to start searching from, so you can call it in a loop to find all instances of a particular value:
function getAllIndexes(arr, val) {
var indexes = [], i = -1;
while ((i = arr.indexOf(val, i+1)) != -1){
indexes.push(i);
}
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Convert Int to String in Swift
...refer string interpolation in cases where you were constructing a sentence from several variables.
– Desty
Jun 12 '14 at 9:22
1
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Getting a list of all subdirectories in the current directory
...
You could just use glob.glob
from glob import glob
glob("/path/to/directory/*/")
Don't forget the trailing / after the *.
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How to update a plot in matplotlib?
...called within a for loop, similar to Matlab's drawnow.
An example usage:
from pylab import figure, plot, ion, linspace, arange, sin, pi
def draw_fig():
# can be arbitrarily complex; just to draw a figure
#figure() # don't call!
plot(t, x)
#show() # don't call!
N = 1e3
figure() # c...
Streaming a video file to an html5 video player with Node.js so that the video controls continue to
...10) : total - 1;
...which has the effect of sending the rest of the file from the requested start position through its last byte, no matter how many bytes that may be. However the client browser has the option to only read a portion of that stream, and will, if it doesn't need all of the bytes yet...
What is a 'Closure'?
...unction as a value. The moment we call this function can be remote in time from the moment the function has been defined (or created). In particular, its wrapping function is no longer running, and its parameters which has been on the call stack are no longer there :P This makes a problem, because t...
What is the best way to prevent session hijacking?
...k will be thwarted when the cookie stops working. If the user has a cookie from a session that logged in more than a month ago, make them reenter their password. Make sure that whenever a user clicks on your site's "log out" link, that the old session UUID can never be used again.
I'm not sure if ...
Are there best practices for (Java) package organization? [closed]
...unrelated code got into our beans package, which is where my question came from.
– Cyntech
Jul 14 '10 at 0:36
2
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What is REST? Slightly confused [closed]
... and the Design of Network-based Software Architectures" (available online from the University of California, Irvine).
First read Ryan Tomayko's post How I explained REST to my wife; it's a great starting point. Then read Fielding's actual dissertation. It's not that advanced, nor is it long (six ...
jQuery.click() vs onClick
...
}, false);
http://jsfiddle.net/aj55x/1/
Why use addEventListener? (From MDN)
addEventListener is the way to register an event listener as specified
in W3C DOM. Its benefits are as follows:
It allows adding more than a single handler for an event. This is particularly useful fo...