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How do you delete all text above a certain line
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508
dgg
will delete everything from your current line to the top of the file.
d is the deletion ...
Calculate distance between 2 GPS coordinates
...d South locations are negative.
Remember minutes and seconds are out of 60 so S31 30' is -31.50 degrees.
Don't forget to convert degrees to radians. Many languages have this function. Or its a simple calculation: radians = degrees * PI / 180.
function degreesToRadians(degrees) {
return degre...
Dynamically changing font size of UILabel
...omes deprecated.
Multiline case is reduced to:
factLabel.numberOfLines = 0;
factLabel.lineBreakMode = NSLineBreakByWordWrapping;
CGSize maximumLabelSize = CGSizeMake(factLabel.frame.size.width, CGFLOAT_MAX);
CGSize expectSize = [factLabel sizeThatFits:maximumLabelSize];
factLabel.frame = CGRectMak...
SQL order string as number
...h forces a conversion to number
select col from yourtable
order by col + 0
BTW MySQL converts strings from left to right. Examples:
string value | integer value after conversion
--------------+--------------------------------
'1' | 1
'ABC' | 0 /* the string does not cont...
What is the difference between ndarray and array in numpy?
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edited Sep 27 '18 at 14:40
nbro
10.9k1717 gold badges7676 silver badges140140 bronze badges
answered Ap...
When should I use malloc in C and when don't I?
... string as read-only. You cannot make changes to it. Example:
some_memory[0] = 'h';
Is asking for trouble.
On the other hand
some_memory = (char *)malloc(size_to_allocate);
is allocating a char array ( a variable) and some_memory points to that allocated memory. Now this array is both read a...
Can we open pdf file using UIWebView on iOS?
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10 Answers
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Active
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How to configure encoding in Maven?
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answered Jun 10 '10 at 20:17
Ethan LeroyEthan Leroy
11.8k55 gold badges3232 silver badges5252 bronze badges
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How to calculate time elapsed in bash script?
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20 Answers
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Mockito match any class argument
... |
edited Oct 7 '11 at 4:06
answered Oct 7 '11 at 3:59
mil...