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Ruby on Rails: How do you add add zeros in front of a number if it's under 10?

... this particular example '%02d' means to print an integer (d) taking up at least 2 characters (2) and left-padding with zeros instead of spaces (0). share | improve this answer | ...
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Auto increment primary key in SQL Server Management Studio 2012

...range combination of "not free" (performance-wise) and "not desirable" (at least in most applications). – Paul Groke Mar 6 '17 at 19:01 ...
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recursively add file extension to all files

... and there is no way to tell it to work recursively in sub-directories (at least with the version I have on Ubuntu). – mirod Jul 10 '09 at 9:42 ...
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Where is shared_ptr?

... There are at least three places where you may find shared_ptr: If your C++ implementation supports C++11 (or at least the C++11 shared_ptr), then std::shared_ptr will be defined in <memory>. If your C++ implementation supports the...
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Make outer div be automatically the same height as its floating content

... I'm not sure, I +1'd to get you back to 0 at least. Maybe you were voted down because you didn't correct his incorrect CSS... i.e. using equals sign to set a CSS property is incorrect. – alex Apr 30 '09 at 1:05 ...
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How do I check that a Java String is not all whitespaces?

...gexp such as: if (string.matches(".*\\w.*")) ... ...which checks for at least one (ASCII) alphanumeric character. share | improve this answer | follow | ...
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Temporarily disable some plugins using pathogen in vim.

...) call add(g:pathogen_disabled, 'csscolor') endif " Gundo requires at least vim 7.3 if v:version < '703' || !has('python') call add(g:pathogen_disabled, 'gundo') endif if v:version < '702' call add(g:pathogen_disabled, 'autocomplpop') call add(g:pathogen_disabled, 'fuzzyfinde...
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Passing parameters to JavaScript files

... Here is a very rushed proof of concept. I'm sure there are at least 2 places where there can be improvements, and I'm also sure that this would not survive long in the wild. Any feedback to make it more presentable or usable is welcome. The key is setting an id for your script element....
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Int division: Why is the result of 1/3 == 0?

... 1/3 uses integer division as both sides are integers. You need at least one of them to be float or double. If you are entering the values in the source code like your question, you can do 1.0/3 ; the 1.0 is a double. If you get the values from elsewhere you can use (double) to turn the in...
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How to get the focused element with jQuery?

... See the accepted answer to learn why this is the worst / least efficient way to do it. (unnecessary .each non-withstanding) – Brad Kent Apr 10 '17 at 18:33 a...