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Performance of FOR vs FOREACH in PHP
First of all, I understand in 90% of applications the performance difference is completely irrelevant, but I just need to know which is the faster construct. That and...
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How to implement Rate It feature in Android App
... SharedPreferences prefs = mContext.getSharedPreferences("apprater", 0);
if (prefs.getBoolean("dontshowagain", false)) { return ; }
SharedPreferences.Editor editor = prefs.edit();
// Increment launch counter
long launch_count = prefs.getLong("launch_count", 0)...
How can I see the current value of my $PATH variable on OS X?
...n on $PATH.
– Karoh
Jan 31 '13 at 2:00
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Aligning rotated xticklabels with their respective xticks
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209
You can set the horizontal alignment of ticklabels, see the example below. If you imagine a rec...
Java HashMap performance optimization / alternative
...ted out the hashCode() method was to blame. It was only generating around 20,000 codes for 26 million distinct objects. That is an average of 1,300 objects per hash bucket = very very bad. However if I turn the two arrays into a number in base 52 I am guaranteed to get a unique hash code for every o...
what is the difference between 'transform' and 'fit_transform' in sklearn
...form(self, X, y)
714 # XXX remove scipy.sparse support here in 0.16
715 X = atleast2d_or_csr(X)
--> 716 if self.mean_ is not None:
717 X = X - self.mean_
718
AttributeError: 'RandomizedPCA' object has no attribute 'mean_'
In [14]: pc2.ftransf...
Get current controller in view
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answered Jul 28 '11 at 2:07
Nicholas SizerNicholas Sizer
3,18033 gold badges2525 silver badges2929 bronze badges
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ReactJS render string with non-breaking spaces
...ML entity, you can use the Unicode character which   refers to (U+00A0 NON-BREAKING SPACE):
<div>{myValue.replace(/ /g, "\u00a0")}</div>
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Correct way to quit a Qt program?
...CoreApplication::quit() it "tells the application to exit with return code 0 (success).". If you want to exit because you discovered file corruption then you may not want to exit with return code zero which means success, so you should call QCoreApplication::exit() because you can provide a non-zero...
How to percent-encode URL parameters in Python?
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407
Python 2
From the docs:
urllib.quote(string[, safe])
Replace special characters in strin...