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How to elegantly rename all keys in a hash in Ruby? [duplicate]
...to do ages = Hash[ages.map {|k, v| [mappings[k] || k, v] }] to be able to call the variable again with the mapping.
– Chanpory
Nov 9 '10 at 20:32
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Favorite Visual Studio keyboard shortcuts [closed]
...fancy tool panel. Instead, it's just about letting me see the code.
With all the panels surrounding you, the area you use to actually write code becomes too small.
In this cases, Shift+Alt+Enter comes in to the rescue and gets the code window in focus in full screen mode. Hit it again, and you h...
execute function after complete page load
... why jQuery will most probably implement some heavy workarounds to support all the browsers. And this will make it very difficult to "exactly" simulate the behavior using plain Javascript (but not impossible of course).
as Jeffrey Sweeney and J Torres suggested, i think its better to have a setTime...
What does ||= (or-equals) mean in Ruby?
...threads on the Ruby mailing-list whose only purpose is to collect links to all the other threads on the Ruby mailing-list that discuss this issue.
Here's one: The definitive list of ||= (OR Equal) threads and pages
If you really want to know what is going on, take a look at Section 11.4.2.3 "Abbrevi...
String Concatenation using '+' operator
... code:
string x = "hello";
string y = "there";
string z = "chaps";
string all = x + y + z;
actually gets compiled as:
string x = "hello";
string y = "there";
string z = "chaps";
string all = string.Concat(x, y, z);
(Gah - intervening edit removed other bits accidentally.)
The benefit of the C...
Visual Studio refuses to forget breakpoints?
...
go to Debug menu then Delete All Breakpoints Ctrl+Shift+F9
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Code formatting shortcuts in Android Studio for Operation Systems
...Alt + L
macOS: Option + Command + L
Reference: Key Commands and here are all of the commands for Windows/ Linux users and for Mac users.
As Rohit faced a problem in Ubuntu with the format code shortcut, this is due to the Ctrl + Alt + L key being used to lock the screen in Ubuntu.
I found that...
How can I restart a Java application?
...new ProcessBuilder(command);
builder.start();
System.exit(0);
}
Basically it does the following:
Find the java executable (I used the java binary here, but that depends on your requirements)
Find the application (a jar in my case, using the MyClassInTheJar class to find the jar location itse...
Undo a git stash
...ll not reset what is in the staging directory, so you will have to restage all that (which can be annoying if you had just done a complex git add -p
– Nick
Jan 2 '13 at 17:31
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How do I find out which computer is the domain controller in Windows programmatically?
...dows, type the following commande:
nltest /dclist:{domainname}
It lists all domain controllers in particular domain
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