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How to convert string representation of list to a list?
... ast
>>> x = u'[ "A","B","C" , " D"]'
>>> x = ast.literal_eval(x)
>>> x
['A', 'B', 'C', ' D']
>>> x = [n.strip() for n in x]
>>> x
['A', 'B', 'C', 'D']
ast.literal_eval:
With ast.literal_eval, you can safely evaluate an expression node or a string c...
Why doesn't indexOf work on an array IE8?
...
Yes, probably because he didn't include jQuery ¯_(ツ)_/¯ It is valid syntax.
– user9016207
Feb 25 '18 at 16:05
...
How to scale a UIImageView proportionally?
I have a UIImageView and the objective is to scale it down proportionally by giving it either a height or width.
17 Answer...
What Vim command(s) can be used to quote/unquote words?
...tes.
Change single quotes to double quotes
va':s/\%V'\%V/"/g
va' - Visually select the quoted word and the quotes.
:s/ - Start a replacement.
\%V'\%V - Only match single quotes that are within the visually selected region.
/"/g - Replace them all with double quotes.
...
How do I implement an Objective-C singleton that is compatible with ARC?
...n;
dispatch_once(&onceToken, ^{
sharedInstance = [[MyClass alloc] init];
// Do any other initialisation stuff here
});
return sharedInstance;
}
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How to silence output in a Bash script?
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All output:
scriptname &>/dev/null
Portable:
scriptname >/dev/null 2>&1
Portable:
scriptname >/dev/null 2>/dev/null
For newer bash (no portable):
scriptname &>-
...
How do I find the length of an array?
... there, it won't work, right? The question is why
– A_Matar
Feb 6 '15 at 18:55
5
@A_Matar - You c...
brew install mysql on macOS
I'm trying to setup up MySQL on mac os 10.6 using Homebrew by brew install mysql 5.1.52 .
16 Answers
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Can table columns with a Foreign Key be NULL?
...d Mar 2 '10 at 21:37
Daniel VassalloDaniel Vassallo
301k6666 gold badges475475 silver badges424424 bronze badges
...
Convert interface{} to int
...)
}
func addTwoNumbers(val1 interface{}, val2 interface{}) int {
op1, _ := val1.(int)
op2, _ := val2.(int)
return op1 + op2
}
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