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What optimizations can GHC be expected to perform reliably?
... Haskell I could find on my computer:
Glasgow Haskell Compiler, Version 7.4.2, stage 2 booted by GHC version 7.4.1
Using binary package database: /usr/lib/ghc-7.4.2/package.conf.d/package.cache
wired-in package ghc-prim mapped to ghc-prim-0.2.0.0-7d3c2c69a5e8257a04b2c679c40e2fa7
wired-in package in...
isset() and empty() - what to use
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145
It depends what you are looking for, if you are just looking to see if it is empty just use emp...
How to run multiple Python versions on Windows
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edited May 19 at 10:54
Piotr Dobrogost
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Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
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499
NOTE: All algorithms below are in C, but should be portable to your language of choice (just d...
AngularJS - how to get an ngRepeat filtered result reference
...in (filteredItems = (items | orderBy:'order_prop' | filter:query | limitTo:4))">
{{item}}
</div>
Then $scope.filteredItems is accessible.
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How do I commit only some files?
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wjandrea
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answered Aug 30 '11 at 6:28
AlexAlex
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UnboundLocalError on local variable when reassigned after first use
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recursiverecursive
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How to delete multiple values from a vector?
...e (1 : 10)
> remove <- c (2, 3, 5)
> a
[1] 10 5 2 7 1 6 3 4 8 9
> a %in% remove
[1] FALSE TRUE TRUE FALSE FALSE FALSE TRUE FALSE FALSE FALSE
> a [! a %in% remove]
[1] 10 7 1 6 4 8 9
Note that this will silently remove incomparables (stuff like NA or Inf) as well...
“#include” a text file in a C program as a char[]
...r a[] = {
0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x0a
};
unsigned int a_len = 12;
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Summarizing multiple columns with dplyr? [duplicate]
... <dbl>
#> 1 1 3.08 2.98 2.98 2.91
#> 2 2 3.03 3.04 2.97 2.87
#> 3 3 2.85 2.95 2.95 3.06
If you want to summarize only certain columns, use summarise_at or summarise_if functions.
Alternatively, the purrrlyr package provides the same functionality:
library(purr...