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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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142
Did you mean sprintf '%02d', n?
irb(main):003:0> sprintf '%02d', 1
=> "01"
irb(main):00...
Check if string begins with something? [duplicate]
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Use stringObject.substring
if (pathname.substring(0, 6) == "/sub/1") {
// ...
}
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How to change background color in android app
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19 Answers
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How to pass arguments into a Rake task with environment in Rails? [duplicate]
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119
TLDR;
task :t, [args] => [deps]
Original Answer
When you pass in arguments to rake tas...
Is it possible to execute code once before all tests run?
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154
FWIW, you can use the AssemblyInitialize attribute to run code before all unit tests in an ass...
How to apply unmerged upstream pull requests from other forks into my fork?
...n two options to apply the pull request (if you don't want to choose pick 1.)
If you don't care about applying also the eventual commits that have been added between the origin and the pull request, you can just rebase the branch on which the pull request was formed
git rebase master otherfork/p...
How to get position of a certain element in strings vector, to use it as an index in ints vector?
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159
To get a position of an element in a vector knowing an iterator pointing to the element, simpl...
Opposite of String.Split with separators (.net)
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129
Found the answer. It's called String.Join.
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Initialize a long in Java
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431
You should add L: long i = 12345678910L;.
Yes.
BTW: it doesn't have to be an upper case L, bu...
How can I get pg_dump to authenticate properly
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198
The Quick Solution
The problem is that it's trying to perform local peer authentication based...