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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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How do you auto format code in Visual Studio?
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answered Apr 22 '11 at 13:37
Bogdan VerbenetsBogdan Verbenets
20.6k1010 gold badges5959 silver badges106106 bronze badges
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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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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/'/'\\\\'...
Expand/collapse section in UITableView in iOS
...LOOK like a header, and setup the tableView:didSelectRowAtIndexPath to manually expand or collapse the section it is in.
I'd store an array of booleans corresponding the the "expended" value of each of your sections. Then you could have the tableView:didSelectRowAtIndexPath on each of your custom h...
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...
Rails detect if request was AJAX
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answered Nov 22 '11 at 1:08
Amir RaminfarAmir Raminfar
32k66 gold badges8383 silver badges118118 bronze badges
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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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UITableView with fixed section headers
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answered Jul 11 '13 at 1:22
bachonkbachonk
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