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Remove empty array elements
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edited Mar 10 at 3:20
answered Sep 6 '10 at 21:10
Bo...
What is a good regular expression to match a URL? [duplicate]
...ore? Nobody!
– Lothar
Apr 17 '16 at 20:24
2
@augustin-riedinger It will match if the http or http...
Array to Hash Ruby
...ray using *.
– Ben Lee
Dec 5 '12 at 20:12
15
Be very careful with this. Ruby expands splats on th...
When should I use Struct vs. OpenStruct?
...ze
AGE = 21
HASH = {:name => USER, :age => AGE}.freeze
Benchmark.bm 20 do |x|
x.report 'OpenStruct slow' do
REP.times do |index|
OpenStruct.new(:name => "User", :age => 21)
end
end
x.report 'OpenStruct fast' do
REP.times do |index|
OpenStruct.new(HASH)
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How to convert a PIL Image into a numpy array?
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answered Dec 21 '08 at 20:46
dF.dF.
64.2k2727 gold badges123123 silver badges134134 bronze badges
...
Changing website favicon dynamically
...koverflow.com
– kirb
Oct 3 '11 at 4:20
7
Should entering this in the Javascript console in Chrome...
Is R's apply family more than syntactic sugar?
...snow)
cl <- makeSOCKcluster(c("localhost","localhost"))
parSapply(cl, 1:20, get("+"), 3)
This example uses a socket cluster, for which no additional software needs to be installed; otherwise you will need something like PVM or MPI (see Tierney's clustering page). snow has the following apply f...
How to count duplicate value in an array in javascript
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edited Mar 26 at 9:20
VLAZ
14.3k77 gold badges3232 silver badges4747 bronze badges
answered Oct 1...
How to semantically add heading to a list
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answered Jan 20 '12 at 0:53
AlohciAlohci
66.3k1212 gold badges9999 silver badges140140 bronze badges
...
PHP Regex to check date is in YYYY-MM-DD format
...
Try this.
$date="2012-09-12";
if (preg_match("/^[0-9]{4}-(0[1-9]|1[0-2])-(0[1-9]|[1-2][0-9]|3[0-1])$/",$date)) {
return true;
} else {
return false;
}
share...