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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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Working with time DURATION, not time of day

... 73 You can easily do this with the normal "Time" data type - just change the format! Excels time/d...
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Why am I seeing “TypeError: string indices must be integers”?

... | edited Feb 4 '12 at 3:49 Amanda 8,5411515 gold badges4747 silver badges8282 bronze badges answered...
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Django : How can I see a list of urlpatterns?

... javidazac 1,33711 gold badge2121 silver badges3333 bronze badges answered Jan 13 '12 at 1:34 robertrobert ...
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Test if string is a number in Ruby on Rails

...at(string) rescue false end And then call it like this: my_string = '12.34' is_number?( my_string ) # => true Extend String Class. If you want to be able to call is_number? directly on the string instead of passing it as a param to your helper function, then you need to define is_number? a...
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pandas three-way joining multiple dataframes on columns

I have 3 CSV files. Each has the first column as the (string) names of people, while all the other columns in each dataframe are attributes of that person. ...
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Show and hide a View with a slide up/down animation

... With the new animation API that was introduced in Android 3.0 (Honeycomb) it is very simple to create such animations. Sliding a View down by a distance: view.animate().translationY(distance); You can later slide the View back to its original position like this: view.animate()....
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Convert String to Uri

... cchenesonccheneson 45.3k88 gold badges5656 silver badges6767 bronze badges ...
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How to get rspec-2 to give the full trace associated with a test failure?

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Print JSON parsed object?

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