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Relationship between hashCode and equals method in Java [duplicate]
I read in many places saying while override equals method in Java, should override hashCode method too, otherwise it is "violating the contract".
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form_for with nested resources
...d resources. Let's say I'm writing a blog engine and I want to relate a comment to an article. I've defined a nested resource as follows:
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Linq code to select one item
...Depends how much you like the linq query syntax, you can use the extension methods directly like:
var item = Items.First(i => i.Id == 123);
And if you don't want to throw an error if the list is empty, use FirstOrDefault which returns the default value for the element type (null for reference ...
File I/O in Every Programming Language [closed]
This has to be a common question that all programmers have from time to time.
How do I read a line from a text file? Then the next question is always how do i write it back.
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Project management to go with GitHub [closed]
...ue, as Google Code supports git now and I've converted Protocol Buffers to Mercurial anyway. However, it's still of general interest, IMO.)
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Check if a Windows service exists and delete in PowerShell
I am currently writing a deployment script that installs a number of Windows services.
14 Answers
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How to check if an object is a generator object in python?
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What should a Multipart HTTP request with multiple files look like? [duplicate]
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--2a8ae6ad-f4ad-4d9a-a92c-6d217011fe0f
Content-Disposition: form-data; name="datafile1"; filename="r.gif"
Content-Type: image/gif
GIF87a.............,...........D..;
--2a8ae6ad-f4ad-4d9a-a92c-6d217011fe0f
Content-Disposition: form-data; name="datafile2"; filename="g.gif"
Content-Type: image/gif
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Pass array to mvc Action via AJAX
I'm trying to pass an array (or IEnumerable) of ints from via AJAX to an MVC action and I need a little help.
11 Answers
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How to use ssh agent forwarding with “vagrant ssh”?
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I got the same error as @apennebaker . and following the steps that Calin suggested didn't help... What worked for me was adding keys to keychain from my host OS and disabling config.ssh.private_key_path assignment.
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