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Javascript switch vs. if…else if…else
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edited Apr 27 '19 at 15:35
Fcmam5
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answered May 27 '10 at 16:...
What is Unicode, UTF-8, UTF-16?
...s: Arabic, Hebrew, most European scripts (most notably excluding Georgian)
3 bytes: BMP
4 bytes: All Unicode characters
UTF-16:
2 bytes: BMP
4 bytes: All Unicode characters
It's worth mentioning now that characters not in the BMP include ancient scripts, mathematical symbols, musical symbols, ...
How to randomize (or permute) a dataframe rowwise and columnwise?
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234
Given the R data.frame:
> df1
a b c
1 1 1 0
2 1 0 0
3 0 1 0
4 0 0 0
Shuffle row-wise:
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“f” after number
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CGRect frame = CGRectMake(0.0f, 0.0f, 320.0f, 50.0f);
uses float constants. (The constant 0.0 usually declares a double in Objective-C; putting an f on the end - 0.0f - declares the constant as a (32-bit) float.)
CGRect frame = CGRectMake(0, 0, 320, 50);
use...
Is there a way to access the “previous row” value in a SELECT statement?
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63
SQL has no built in notion of order, so you need to order by some column for this to be meaningf...
Update just one gem with bundler
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362
Here you can find a good explanation on the difference between
Update both gem and dependenci...
Convert a timedelta to days, hours and minutes
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358
If you have a datetime.timedelta value td, td.days already gives you the "days" you want. time...
Why is UICollectionViewCell's outlet nil?
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313
I am calling self.collectionView.registerClass(LeftMenuCollectionViewCell.self, forCellWithReu...