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Getting a random value from a JavaScript array
...the array
_.sample(['January', 'February', 'March']);
If you need to get more than one item randomly, you can pass that as a second argument in underscore:
// will return two items randomly from the array using underscore
_.sample(['January', 'February', 'March'], 2);
or use the _.sampleSize me...
Iterate through a C++ Vector using a 'for' loop
...int>::iterator it = vector.begin();
This is because it makes the code more flexible.
All standard library containers support and provide iterators. If at a later point of development you need to switch to another container, then this code does not need to be changed.
Note: Writing code which ...
How many socket connections can a web server handle?
...n have hardware TCP offload engines, ASICs designed for this specific role more efficiently than a general purpose CPU.
Good software design choices
Asynchronous IO design will differ across Operating Systems and Programming platforms. Node.js was designed with asynchronous in mind. You should use P...
dd: How to calculate optimal blocksize? [closed]
...k size of 512 bytes tends to be almost an order of magnitude slower than a more optimal alternative. When in doubt, I've found that 64K is a pretty solid modern default. Though 64K usually isn't THE optimal block size, in my experience it tends to be a lot more efficient than the default. 64K also h...
How can I remove the first line of a text file using bash/sed script?
...g is consistent across both tools. Check the FreeBSD or OS X man pages for more.
The BSD version can be much slower than sed, though. I wonder how they managed that; tail should just read a file line by line while sed does pretty complex operations involving interpreting a script, applying regular...
Really killing a process in Windows
...te that this is the correct answer, there's no doubt in my mind that it is more correct than taskkill below.... stupid buggy drivers!
– codetaku
Jul 22 '13 at 21:03
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Find the files that have been changed in last 24 hours
...thing before the 1 would have meant it was changed exacted one day ago, no more, no less.
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Constructors in Go
...introduces struct literals and demonstrate how they can be used to write a more idiomatic version of the NewFile constructor :)
– tux21b
Aug 8 '13 at 12:47
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Best practice to mark deprecated code in Ruby?
...andard" way:
# my_file.rb
class MyFile
extend Gem::Deprecate
def no_more
close
end
deprecate :no_more, :close, 2015, 5
def close
# new logic here
end
end
MyFile.new.no_more
# => NOTE: MyFile#no_more is deprecated; use close instead. It will be removed on or after 2015-05-...
Infinite Recursion with Jackson JSON and Hibernate JPA issue
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