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Fastest way to replace NAs in a large data.table
... 2.14 0.22 2.14
"unique" 0.14 1.36 0.16 1.56
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There, I would focus on na.replace and is.na, where there are a few vector copies and vector scans. Those can fairly easily be eliminated by writing a small na.replace C function that updates NA by...
Get MD5 hash of big files in Python
...examples of hashes.
– tchaymore
Oct 16 '11 at 2:26
Shouldn't it be if len(data) < block_size: break?
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How to organize a node app that uses sequelize?
...ed something.
– mlkmt
Mar 30 '15 at 16:37
1
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How to increase font size in NeatBeans IDE?
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edited May 2 '16 at 18:10
deFreitas
2,7412323 silver badges3535 bronze badges
answered Jun 2...
Error Dropping Database (Can't rmdir '.test\', errno: 17)
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166
A database is represented by a directory under the data directory (usually /var/lib/mysql), an...
select2 - hiding the search box
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answered Apr 8 '16 at 11:27
SabinSabin
60755 silver badges1010 bronze badges
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What's a simple way to get a text input popup dialog box on an iPhone
...AlertController:
– EckhardN
Jan 25 '16 at 19:36
If you're looking support with Swift 4: stackoverflow.com/a/10689318/5...
Check if database exists in PostgreSQL using shell
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edited May 19 '16 at 7:05
answered May 28 '13 at 3:04
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Converting A String To Hexadecimal In Java
...nt the wheel.
– Federico Zancan
Nov 16 '12 at 12:10
3
@MelNicholson there's a decodeHex function ...
Spring get current ApplicationContext
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Simply inject it..
@Autowired
private ApplicationContext appContext;
or implement this inte...