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The $.param( ) inverse function in JavaScript / jQuery
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answered Jun 9 '11 at 19:23
ccecce
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How to test which port MySQL is running on and whether it can be connected to?
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13 Answers
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What does the ^ operator do in Java?
... (binary)
5 = 101
6 = 110
------------------ xor
3 = 011
This the truth table for bitwise (JLS 15.22.1) and logical (JLS 15.22.2) xor:
^ | 0 1 ^ | F T
--+----- --+-----
0 | 0 1 F | F T
1 | 1 0 T | T F
More simply, you can also think of xor as "t...
Performance of foreach, array_map with lambda and array_map with static function
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3 Answers
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Which is faster in Python: x**.5 or math.sqrt(x)?
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93
math.sqrt(x) is significantly faster than x**0.5.
import math
N = 1000000
%%timeit
for i in r...
Fastest hash for non-cryptographic uses?
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Specifying rails version to use when creating a new application
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edited Sep 20 '11 at 16:23
Paweł Gościcki
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Remove rows with all or some NAs (missing values) in data.frame
...ul mmus rnor cfam
2 ENSG00000199674 0 2 2 2 2
6 ENSG00000221312 0 1 2 3 2
na.omit is nicer for just removing all NA's. complete.cases allows partial selection by including only certain columns of the dataframe:
> final[complete.cases(final[ , 5:6]),]
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How to set versionName in APK filename using gradle?
...ultConfig {
applicationId "com.company.app"
minSdkVersion 13
targetSdkVersion 21
versionCode 14 // increment with every release
versionName '1.4.8' // change with every release
setProperty("archivesBaseName", "MyCompany-MyAppName-$versionName")...
Numpy: Divide each row by a vector element
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answered Oct 26 '13 at 2:38
JoshAdelJoshAdel
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