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I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
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There are plenty of options, I recommend not to add additional dependencies and use SecureRandom which is builtin:
SecureRandom.uuid #=> "1ca71cd6-08c4-4855-9381-2f41aeffe59c"
See other possible formats here.
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Rename a file in C#
How do I rename a file using C#?
18 Answers
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Swift double to string
...d xCode 6, I had no problems casting a double to a string but now it gives me an error
14 Answers
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Reordering arrays
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The syntax of Array.splice is:
yourArray.splice(index, howmany, element1, /*.....,*/ elementX);
Where:
index is the position in the array you want to start removing elements from
howmany is how many elements you want to remove from index
element1, ..., elementX are elements you want inse...
Tree view of a directory/folder in Windows? [closed]
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That's something, but I need it in the GUI.
– Pietro
Mar 1 '12 at 15:37
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Is there replacement for cat on Windows
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Example 2:
type *.vcf > all_in_one.vcf
This command will merge all the vcards into one.
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Should we @Override an interface's method implementation?
Should a method that implements an interface method be annotated with @Override ?
15 Answers
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Find and extract a number from a string
I have a requirement to find and extract a number contained within a string.
29 Answers
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grep using a character vector with multiple patterns
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In addition to @Marek's comment about not including fixed==TRUE, you also need to not have the spaces in your regular expression. It should be "A1|A9|A6".
You also mention that there are lots of patterns. Assuming that they are in a vector
toMatc...
Formatting NSDate into particular styles for both year, month, day, and hour, minute, seconds
I basically need to get current date and time separately, formatted as:
8 Answers
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