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Rails 3 datatypes?
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270
Here are all the Rails3 (ActiveRecord migration) datatypes:
:binary
:boolean
:date
:datetime
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Easiest way to toggle 2 classes in jQuery
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edited Dec 30 '13 at 23:10
answered Aug 9 '11 at 19:48
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What does new self(); mean in PHP?
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214
self points to the class in which it is written.
So, if your getInstance method is in a class...
Does every Javascript function have to return a value?
...) to return void:
void noReturn()//return type void
{
printf("%d\n", 123);
return;//return nothing, can be left out, too
}
//in JS:
function noReturn()
{
console.log('123');//or evil document.write
return undefined;//<-- write it or not, the result is the same
return;//<-...
ContextLoaderListener or not?
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edited Aug 23 '16 at 14:31
approxiblue
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Scala: What is the difference between Traversable and Iterable traits in Scala collections?
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121
To put it simply, iterators keep state, traversables don't.
A Traversable has one abstract met...
How are “mvn clean package” and “mvn clean install” different?
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OrangeDog
27.4k99 gold badges9393 silver badges164164 bronze badges
answered May 17 '13 at 5:34
Daniel KaplanDa...
How many characters can UTF-8 encode?
If UTF-8 is 8 bits, does it not mean that there can be only maximum of 256 different characters?
10 Answers
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how to change directory using Windows command line
I'm using cmd.exe (C:\WINDOWS\System32\cmd.exe) and I have to change my current directory to "D:\temp" i.e. temp folder in the D drive.
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Visual Studio: Make view code default
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254
Right-click on a file and select "Open With..."
Select "CSharp Editor" and then click "Set as...