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How do you add an array to another array in Ruby and not end up with a multi-dimensional result?
...note the asterisk, and that a2 is the receiver
or splice:
a1[a1.length, 0] = a2
a1[a1.length..0] = a2
a1.insert(a1.length, *a2)
or append and flatten:
(a1 << a2).flatten! # a call to #flatten instead would return a new array
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What is the documents directory (NSDocumentDirectory)?
...ectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES) objectAtIndex:0]
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Best way to turn an integer into a month name in c#?
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answered Oct 20 '08 at 16:01
Nick BerardiNick Berardi
51.6k1313 gold badges108108 silver badges134134 bronze badges
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How to return an empty ActiveRecord relation?
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Patrick Brinich-Langlois
1,2301414 silver badges2626 bronze badges
answered Apr 3 '12 at 20:39
steveh7steveh7
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How do I add 24 hours to a unix timestamp in php?
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303
You probably want to add one day rather than 24 hours. Not all days have 24 hours due to (among...
How do I specify “close existing connections” in sql script
I'm doing active development on my schema in SQL Server 2008 and frequently want to rerun my drop/create database script. When I run
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Programmatically get the cache line size?
...el), you can get this information out of /sys:
/sys/devices/system/cpu/cpu0/cache/
This directory has a subdirectory for each level of cache. Each of those directories contains the following files:
coherency_line_size
level
number_of_sets
physical_line_partition
shared_cpu_list
shared_cpu_map
s...
Using custom std::set comparator
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answered Apr 12 '10 at 9:10
YacobyYacoby
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How to set custom location for local installation of npm package?
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180
TL;DR
You can do this by using the --prefix flag and the --global* flag.
pje@friendbear:~/foo $ ...
Opacity of div's background without affecting contained element in IE 8?
...ur instead.
The CSS is fairly simple:
.myelement {
background: rgba(200, 54, 54, 0.5);
}
...where the first three numbers are the red, green and blue values for your background colour, and the fourth is the 'alpha' channel value, which works the same way as the opacity value.
See this page ...