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Confusion between numpy, scipy, matplotlib and pylab
...ort matplotlib.pyplot as plt.
Pylab is the same thing as pyplot, but with extra features (its use is currently discouraged).
pylab = pyplot + numpy
See more information here: Matplotlib, Pylab, Pyplot, etc: What's the difference between these and when to use each?
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Sending a message to nil in Objective-C
...ethods all return 0 when you've got a nil value, so you do not have to add extra checks for nil all over:
if ( [myString length] > 0 )
or this:
return [myArray count]; // say for number of rows in a table
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Should a return statement be inside or outside a lock?
...e of the try/finally - however, the return outside the lock still requires extra locals which can't be optimised away - and takes more code...
– Marc Gravell♦
Nov 5 '08 at 21:18
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Why does a function with no parameters (compared to the actual function definition) compile?
...se mislead by^W^Wfond of C++ may cringe, though, because they need to type extra characters when they try to exercise their foreign language skills :-)
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Pretty git branch graphs
...e one line to the point answer without having to setup aliases or anything extra, here it is:
git log --all --decorate --oneline --graph
Not everyone would be doing a git log all the time, but when you need it just remember:
"A Dog" = git log --all --decorate --oneline --graph
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Best way to remove from NSMutableArray while iterating?
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Extra memory needs to be allocated to do inverse. It's not an in-place algorithm and not a good idea in some cases. When you remove directly you just shift the array (which is very efficient since it won't move one by one, it...
setTimeout in for-loop does not print consecutive values [duplicate]
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You can use the extra arguments to setTimeout to pass parameters to the callback function.
for (var i = 1; i <= 2; i++) {
setTimeout(function(j) { alert(j) }, 100, i);
}
Note: This doesn't work on IE9 and below browsers.
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How can you determine a point is between two other points on a line segment?
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Yes, the extra parenthesis is just a typo. 4 years have passed before someone said something. :)
– Cyrille Ka
Nov 22 '12 at 3:36
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Changing Ctrl + Tab behavior for moving between documents in Visual Studio
...useless to me. I already know which tab I need to get to, I don't want the extra thought required to remember if I went to some other tab recently or not.
– Clonkex
Aug 29 at 3:22
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How to prevent favicon.ico requests?
...r it is not always desired and sometime developers need a way to avoid the extra payload. For example an IFRAME would request a favicon without showing it.
Worst yet, in Chrome and Android an IFRAME will generate 3 requests for favicons:
"GET /favicon.ico HTTP/1.1" 404 183
"GET /apple-touch-icon-pre...