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iterating over each character of a String in ruby 1.8.6 (each_char)

... I haven't looked into it until now, but after Googling a bit, apparently it is mistakenly listed in the 1.8.6 docs but isn't available until 1.8.7. – Jeremy Ruten Sep 28 '09 at 1:06 ...
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How Should I Declare Foreign Key Relationships Using Code First Entity Framework (4.1) in MVC3?

...t model. Everything works via MVC which is great (kudos to Microsoft!) but now I want it NOT to work because I need to have data model constraints. ...
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Rails: fields_for with index?

... Rails 4.0.2+ users should check out Ben's answer as index is now built into the builder. – notapatch Oct 10 '14 at 10:29 1 ...
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When would you use delegates in C#? [closed]

... Now that we have lambda expressions and anonymous methods in C#, I use delegates much more. In C# 1, where you always had to have a separate method to implement the logic, using a delegate often didn't make sense. These days ...
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github: No supported authentication methods available

...s that said "import your key", and saw that it worked, but it doesn't work now, see Chapter 9: Using Pageant for authentication. One last tip if you are on Windows: you may have multiple instances of the PuTTY suite installed by various tools. TortoiseGit, for example, installs its own. ...
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Error: Cannot pull with rebase: You have unstaged changes

... This seemed to have work but now I am facing another error(started a new questions to not confuse future vistors): stackoverflow.com/questions/23518247/… – user3597950 May 7 '14 at 12:47 ...
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Rails: What's a good way to validate links (URLs)?

...alid hostname http://host.foo as well the following one http://localhost Now, let me give you some solutions. If you want to validate a domain, then you need to forget about regular expressions. The best solution available at the moment is the Public Suffix List, a list maintained by Mozilla. I cr...
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How is a CRC32 checksum calculated?

... x^5 + x^4 + 3*x^3 + x^2 + x^1 + x^0 (or that original number we had) I know this is a leap of faith but this is beyond my capability as a line-programmer. If you are a hard-core CS-student or engineer I challenge to break this down. Everyone will benefit from this analysis. So to work out a full...
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What's the difference between an object initializer and a constructor?

...bject calling default constructor tmp.Name = "a"; tmp.Age = 23; p = tmp; Now this facilitates behaviour like this. Knowing how object initializers work is important. share | improve this answer ...
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Calculate MD5 checksum for a file

...'s fine. Personally I'd probably use SHA-256 just out of habit :) I don't know about support for CRC32 in .NET offhand, but you can probably search for it as quickly as I can :) – Jon Skeet Jul 30 '14 at 13:40 ...