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Grepping a huge file (80GB) any way to speed it up?
...perience!
– JacobN
Aug 23 '13 at 18:06
8
Some people (not me) like grep -F more than fgrep
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What is the !! (not not) operator in JavaScript?
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Converts Object to boolean. If it was falsey (e.g. 0, null, undefined, etc.), it will be false, otherwise, true.
!oObject // inverted boolean
!!oObject // non inverted boolean so true boolean representation
So !! is not an operator, it's just the ! operator twice.
Real W...
What is http multipart request?
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IggyIggy
7,20933 gold badges2828 silver badges2020 bronze badges
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How can I find the last element in a List?
...ant to access the last item in the list you can do
if(integerList.Count>0)
{
var item = integerList[integerList.Count - 1];
}
to get the total number of items in the list you can use the Count property
var itemCount = integerList.Count;
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Rails migrations: self.up and self.down versus change
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110
For many operations rails can guess what is the inverse operation (without problems). For exampl...
Finding the direction of scrolling in a UIScrollView?
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answered Nov 1 '10 at 21:04
memmonsmemmons
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What is a “symbol” in Julia?
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answered May 5 '14 at 21:30
StefanKarpinskiStefanKarpinski
25.7k88 gold badges6767 silver badges9292 bronze badges
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When should I use the assets as opposed to raw resources in Android?
...nswered Mar 5 '12 at 8:13
user370305user370305
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How to hide databases that I am not allowed to access
... - Postgresql database via pgAdmin3 , It lists all the tables (about 2600). Every time I open the pgAdmin3 I have to find my own database.
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What is `params.require(:person).permit(:name, :age)` doing in Rails 4?
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205
The params in a controller looks like a Hash, but it's actually an instance of ActionController...