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Extract month and year from a zoo::yearmon object
...ere is your example date (properly created!)
date1 <- as.yearmon("Mar 2012", "%b %Y")
Then we can extract the date parts as required:
> format(date1, "%b") ## Month, char, abbreviated
[1] "Mar"
> format(date1, "%Y") ## Year with century
[1] "2012"
> format(date1, "%m") ## numeric mon...
In Clojure 1.3, How to read and write a file
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edited Nov 30 '17 at 15:47
answered Oct 13 '11 at 16:59
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Copying data from one SQLite database to another
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edited Mar 23 '16 at 14:10
Thomas Tempelmann
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Most efficient way to concatenate strings?
...ch better than using the + operator. But I've found that, when executing 1000 concatenations or less, String.Join() is even more efficient than StringBuilder.
StringBuilder sb = new StringBuilder();
sb.Append(someString);
The only problem with String.Join is that you have to concatenate the stri...
List submodules in a Git repository
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edited Aug 21 '18 at 10:38
Peter Mortensen
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Reliable method to get machine's MAC address in C#
...:29
Dai
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answered Oct 5 '11 at 13:12
Mohammed A. F...
Are there strongly-typed collections in Objective-C?
...<NSString*>* arr = @[@"str"];
NSString* string = [arr objectAtIndex:0];
NSNumber* number = [arr objectAtIndex:0]; // Warning: Incompatible pointer types initializing 'NSNumber *' with an expression of type 'NSString *'
And in Swift code, they will produce a compiler error:
var str: String ...
Most lightweight way to create a random string and a random hexadecimal number
What is the most lightweight way to create a random string of 30 characters like the following?
13 Answers
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Refresh image with a new one at the same url
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answered Jul 2 '09 at 22:46
Paolo BergantinoPaolo Bergantino
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