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Trim string in JavaScript?
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Samuel Dauzon
7,9951111 gold badges4444 silver badges7777 bronze badges
answered Jan 31 '09 at 15:26
Pradeep Kumar Mish...
What is a lambda (function)?
... do things like this.
Python
def adder(x):
return lambda y: x + y
add5 = adder(5)
add5(1)
6
As you can see from the snippet of Python, the function adder takes in an argument x, and returns an anonymous function, or lambda, that takes another argument y. That anonymous function allows you to...
UIView Hide/Show with animation
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5
@robmathers , I just test your code , above two code just work when button.hidden = NO, for fade in situation; have no animation effect fo...
How do you add a Dictionary of items into another Dictionary
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Dima
22.7k55 gold badges4949 silver badges8181 bronze badges
answered Jun 5 '14 at 5:14
shucaoshucao
...
How JavaScript closures are garbage collected
...f_ = null; and it will be gone.
Update
I have tried it in Chrome 30, FF25, Opera 12 and IE10 on Windows.
The standard doesn't say anything about garbage collection, but gives some clues of what should happen.
Section 13 Function definition, step 4: "Let closure be the result of creating a new...
Fastest way to replace NAs in a large data.table
...le) # v1.6.6
require(gdata) # v2.8.2
set.seed(1)
dt1 = create_dt(2e5, 200, 0.1)
dim(dt1)
[1] 200000 200 # more columns than Ramnath's answer which had 5 not 200
f_andrie = function(dt) remove_na(dt)
f_gdata = function(dt, un = 0) gdata::NAToUnknown(dt, un)
f_dowle = function(dt) { ...
Numpy array dimensions
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513
It is .shape:
ndarray.shape
Tuple of array dimensions.
Thus:
>>> a.shape
(2,...
Changing user agent on urllib2.urlopen
...d to scripts. For example, Mozilla Firefox may identify itself as "Mozilla/5.0 (X11; U; Linux i686) Gecko/20071127 Firefox/2.0.0.11", while urllib2‘s default user agent string is "Python-urllib/2.6" (on Python 2.6).
share...
How to install and run phpize
... setup. So before I can install it, I need to phpize it. I installed php5-dev by sudo apt-get install php5-dev . But now when I run phpize I get the following error :
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What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
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Georgy
4,77555 gold badges3838 silver badges4646 bronze badges
answered Aug 31 '08 at 15:17
Peter HoffmannPeter ...