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How to determine if one array contains all elements of another array
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a = [5, 1, 6, 14, 2, 8]
b = [2, 6, 15]
a - b
=> [5, 1, 14, 8]
b - a
=> [15]
(b - a).empty?
=> false
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How do you use window.postMessage across domains?
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Here is an example that works on Chrome 5.0.375.125.
The page B (iframe content):
<html>
<head></head>
<body>
<script>
top.postMessage('hello', 'A');
</script>
</body>
</html>
Note t...
How do I get cURL to not show the progress bar?
...m, you could always redirect stderr to /dev/null:
curl http://google.com 2>/dev/null > temp.html
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How to edit multi-gigabyte text files? Vim doesn't work =( [closed]
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72
If you are on *nix (and assuming you have to modify only parts of file (and rarely)), you may sp...
Using pg_dump to only get insert statements from one table within database
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232
if version < 8.4.0
pg_dump -D -t <table> <database>
Add -a before the -t...
Spring: Why do we autowire the interface and not the implemented class?
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2 Answers
2
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Easy way to turn JavaScript array into comma-separated list?
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edited Mar 17 '16 at 3:52
Steel Brain
3,5862525 silver badges3838 bronze badges
answered Oct 14 '08 at...
How to find out which version of the .NET Framework an executable needs to run?
...cation named WindowsFormsApplication1.exe:
ILDASM:
// Metadata version: v2.0.50727
.assembly extern mscorlib
{
.publickeytoken = (B7 7A 5C 56 19 34 E0 89 ) // .z\V.4..
.ver 2:0:0:0
}
.assembly extern System
{
.publickeytoken = (B7 7A 5C 56 19 34 E0 89 ) ...
What is the simplest way to convert a Java string from all caps (words separated by underscores) to
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edited May 23 '17 at 12:10
Community♦
111 silver badge
answered May 21 '13 at 10:03
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Passing HTML to template using Flask/Jinja2
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Armin Ronacher
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answered Jul 8 '10 at 17:48
iamgopaliamgopa...