... The answer below was posted many years ago, for a modern approach see: https://stackoverflow.com/a/22640703/105403 This would actually be a better approach, following Rails documentation more closely: <% @questions.each.with_index do |question,index| %> ...

I have an existing git repo (a bare one) which has up to this point only been writable by me. I want to open it up to some UNIX user group, foo, so that all members of foo can push to it. I'm aware that I can easily set up a new git repo with: ...

I always thought random numbers would lie between zero and one, without 1 , i.e. they are numbers from the half-open interval [0,1). The documention on cppreference.com of std::generate_canonical confirms this. ...

I have a list of strings like this: 15 Answers 15 ...

When I want the cursor to go to the end of the file (i.e. the end of the last line) in Vim, I have to type six keystrokes: ...

I am trying to parse url-encoded strings that are made up of key=value pairs separated by either & or & . 1...

I am working on Windows. I want to execute a function foo() every 10 seconds. 9 Answers ...

... Using regex for string replacement is significantly slower than using a string replace. As demonstrated on JSPerf, you can have different levels of efficiency for creating a regex, but all of them are significantly slower than a ...

... Padding aligns structure members to "natural" address boundaries - say, int members would have offsets, which are mod(4) == 0 on 32-bit platform. Padding is on by default. It inserts the following "gaps" into your first structure: ...

When I specify an ancestor commit object in Git, I'm confused between HEAD^ and HEAD~ . 15 Answers ...