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Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
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Did you mean sprintf '%02d', n?
irb(main):003:0> sprintf '%02d', 1
=> "01"
irb(main):004:0> sprintf '%02d', 10
=> "10"
You might want to reference the format table for sprintf in the future, but for this particular example '%02d' means to print an integer...
Method to Add new or update existing item in Dictionary
... Steven
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answered Nov 22 '10 at 11:50
ulrichbulrichb
17.7k66 gold ...
Drawing text to with @font-face does not work at the first time
...-face, the text doesn't show correctly. It doesn't show at all (in Chrome 13 and Firefox 5), or the typeface is wrong (Opera 11). This type of unexpected behavior occurs only at the first drawing with the typeface. After then everything works fine.
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Is there a Python equivalent of the C# null-coalescing operator?
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Cory Klein
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answered Feb 12 '11 at 15:06
JulianoJul...
How do I implement an Objective-C singleton that is compatible with ARC?
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392
In exactly the same way that you (should) have been doing it already:
+ (instancetype)sharedI...
How do I use FileSystemObject in VBA?
...t run-time library.
The relevant file is usually located at \Windows\System32\scrrun.dll
To reference this file, load the
Visual Basic Editor (ALT+F11)
Select Tools > References from the drop-down menu
A listbox of available references will be displayed
Tick the check-box next to 'Microsoft Scr...
How do I prompt for Yes/No/Cancel input in a Linux shell script?
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31 Answers
31
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HTML 5 Favicon - Support?
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332
The answers provided (at the time of this post) are link only answers so I thought I would sum...
Compiling dynamic HTML strings from database
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answered Aug 10 '13 at 1:55
Buu NguyenBuu Nguyen
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What is the most efficient way to create HTML elements using jQuery?
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310
I use $(document.createElement('div')); Benchmarking shows this technique is the fastest. I ...