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edited May 18 at 7:32
amp.dev
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answered Feb 2 '12 at 16:49
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How to handle exceptions in a list comprehensions?
...rtelli
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How to convert list of key-value tuples into dictionary?
...injagecko
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Should I use a data.frame or a matrix?
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edited Aug 30 '17 at 0:12
answered Mar 1 '11 at 19:00
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Truncating floats in Python
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return '.'.join([i, (d+'0'*n)[:n]])
This is valid in Python 2.7 and 3.1+. For older versions, it's not possible to get the same "intelligent rounding" effect (at least, not without a lot of complicated code), but rounding to 12 decimal places before truncation will work much of the time:
def...
Datatype for storing ip address in SQL Server
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130
The technically correct way to store IPv4 is binary(4), since that is what it actually is (no, ...
Can't find @Nullable inside javax.annotation.*
...groupId>com.google.code.findbugs</groupId>
<artifactId>jsr305</artifactId>
<version>3.0.2</version>
</dependency>
and for Gradle:
dependencies {
testImplementation 'com.google.code.findbugs:jsr305:3.0.2'
}
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Performance of FOR vs FOREACH in PHP
...rotime(true) - $start, " Seconds\n";
And the results:
Completed in 0.0073502063751221 Seconds
Completed in 0.0019769668579102 Seconds
Completed in 0.0011849403381348 Seconds
Completed in 0.00111985206604 Seconds
So if you're modifying the array in the loop, it's several times faster to use refe...
Android studio: new project vs new module
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edited Sep 17 '13 at 11:13
answered Jun 19 '13 at 9:37
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Remove duplicated rows using dplyr
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139
Note: dplyr now contains the distinct function for this purpose.
Original answer below:
lib...