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How to change value of process.env.PORT in node.js?
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answered Nov 11 '12 at 16:56
JohnnyHKJohnnyHK
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Referring to a file relative to executing script
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See: BASH FAQ entry #28: "How do I determine the location of my script? I want to read some co...
LINQ: Distinct values
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Oh so by "larger type" you may mean I still want all properties in the result even though I only want to compare a few properties to determine distinctness?
– The Red Pea
Sep 20 '16 at 14:31
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Dual emission of constructor symbols
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Community♦
111 silver badge
answered Aug 3 '11 at 3:59
Lightness Races in OrbitLightness Races in Orbit
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How to go back (ctrl+z) in vi/vim
In normal text editors [with all due respect to Vim] there is a shortcut Ctrl + Z when you have done something nasty and want to return to the previous version of the text. Like BACK button in Word. I wonder how can you achieve this behaviour in Vim.
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Print string and variable contents on the same line in R
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agstudyagstudy
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“sending 'const NSString *' to parameter of type 'NSString *' discards qualifiers” warning
I have Constants NSString, that I want to call like:
3 Answers
3
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Turning live() into on() in jQuery
My application has dynamically added Dropdowns. The user can add as many as they need to.
5 Answers
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Example for sync.WaitGroup correct?
... wg.Wait()
fmt.Println("Done")
}
However, it is rather pointless to call wg.Add over and over again when you already know how many times it will be called.
Waitgroups panic if the counter falls below zero. The counter starts at zero, each Done() is a -1 and each Add() depends on the paramet...
Which characters need to be escaped when using Bash?
...h but also bash.
1. Put the whole string in single quotes
This works for all chars except single quote itself. To escape the single quote, close the quoting before it, insert the single quote, and re-open the quoting.
'I'\''m a s@fe $tring which ends in newline
'
sed command: sed -e "s/'/'\\\\'...