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How to find keys of a hash?
...bject.keys performing this operation:
var obj = { "a" : 1, "b" : 2, "c" : 3};
alert(Object.keys(obj)); // will output ["a", "b", "c"]
Compatibility details can be found here.
On the Mozilla site there is also a snippet for backward compatibility:
if(!Object.keys) Object.keys = function(o){
...
'console' is undefined error for Internet Explorer
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379
Try
if (!window.console) console = ...
An undefined variable cannot be referred directly. H...
How do I set a variable to the output of a command in Bash?
...ndy Lester
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How to create an array of object literals in a loop?
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3
calculating length only once is probably a good idea, I choose to add a var obj to make the code clearer, of course you can skip it, you can...
Jquery to change form action
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EmCoEmCo
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add a...
Assigning default value while creating migration file
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edited May 22 '17 at 22:36
typeoneerror
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What does ON [PRIMARY] mean?
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keuleJ
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answered May 9 '10 at 16:00
blowdartblowdart
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Giving UIView rounded corners
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Fattie
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answered Oct 2 '09 at 13:40
Ed MartyEd ...
What is the difference between `git fetch origin` and `git remote update origin`?
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133
It makes no difference when used like this.
remote update is a very high-level command - it su...
What do
...e it with a Foo containing something other than a String:
scala> Foo(123).getStringLength
<console>:9: error: could not find implicit value for parameter evidence: =:=[Int,String]
You can read that error as "could not find evidence that Int == String"... that's as it should be! getString...