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How to print third column to last column?
...his only works if the delimiter is exactly the same between all columns... For example, you can't use cut with a delimiter like \d+. (That I know of.)
– Zach Wily
Jan 13 '10 at 21:11
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WPF OpenFileDialog with the MVVM pattern? [duplicate]
I just started learning the MVVM pattern for WPF. I hit a wall: what do you do when you need to show an OpenFileDialog ?
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PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
... read the PHP $_SERVER docs . Do I have this right regarding which to use for my PHP scripts for simple link definitions used throughout my site?
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Check if event exists on element [duplicate]
...eding the object reference ( not the jQuery object though ) to $.data, and for the second argument feed 'events' and that will return an object populated with all the events such as 'click'. You can loop through that object and see what the event handler does.
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Iterating over each line of ls -l output
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Set IFS to newline, like this:
IFS='
'
for x in `ls -l $1`; do echo $x; done
Put a sub-shell around it if you don't want to set IFS permanently:
(IFS='
'
for x in `ls -l $1`; do echo $x; done)
Or use while | read instead:
ls -l $1 | while read x; do echo $x;...
Can comments be used in JSON?
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BTW, the json library for Java google-gson has support for comments.
– centic
Oct 1 '12 at 12:21
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Generate JSON string from NSDictionary in iOS
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Here are categories for NSArray and NSDictionary to make this super-easy. I've added an option for pretty-print (newlines and tabs to make easier to read).
@interface NSDictionary (BVJSONString)
-(NSString*) bv_jsonStringWithPrettyPrint:(BOOL) ...
Recursively remove files
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I know his question didn't ask for it, but I can never remember: does your example handle filenames with spaces?
– Grundlefleck
Jan 6 '10 at 22:41
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Is there a Python equivalent of the C# null-coalescing operator?
In C# there's a null-coalescing operator (written as ?? ) that allows for easy (short) null checking during assignment:
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sys.argv[1] meaning in script
...in simplified terms what the sys.argv[1] represents. Is it simply asking for an input?
9 Answers
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