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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...
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
...
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
...
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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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-...
How do I check if file exists in Makefile so I can delete it?
...
More concise: FILE_EXISTS := $(or $(and $(wildcard $(PATH_TO_FILE)),1),0)
– cmaster - reinstate monica
Nov 16 '18 at 14:57
...
Combine two or more columns in a dataframe into a new column with a new name
...::mutate(). Sorry, just trying to be helpful - I won't pollute the site anymore and abstain from future postings.
– sbha
Mar 27 '19 at 22:44
...
How can I use goto in Javascript?
...onsole.log("Hello, world!");
i++;
if(i < 538) goto start;
You can read more about how goto is implemented, but basically, it does some JavaScript preprocessing that takes advantage of the fact that you can simulate a goto with a labelled while loop. So, when you write the "Hello, world!" program...