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400 BAD request HTTP error code meaning?

...ules. In the case of a REST API with a JSON payload, 400's are typically, and correctly I would say, used to indicate that the JSON is invalid in some way according to the API specification for the service. By that logic, both the scenarios you provided should be 400's. Imagine instead this were ...
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What is the difference between ManualResetEvent and AutoResetEvent in .NET?

I have read the documentation on this and I think I understand. An AutoResetEvent resets when the code passes through event.WaitOne() , but a ManualResetEvent does not. ...
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What values should I use for CFBundleVersion and CFBundleShortVersionString?

This is my first iOS app submission and I don't want my app rejected. 7 Answers 7 ...
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Good Java graph algorithm library? [closed]

...eriences with any Java libraries for Graph algorithms. I've tried JGraph and found it ok, and there are a lot of different ones in google. Are there any that people are actually using successfully in production code or would recommend? ...
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The identity used to sign the executable is no longer valid

... It works for me as well. command + Q to exit XCode and restart. Cheers! – Joey Aug 30 '13 at 4:38 9 ...
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Is it faster to count down than it is to count up?

... to count down than to count up. For example if you need to use a FOR loop and the loop index is not used somewhere (like printing a line of N * to the screen) I mean that code like this: ...
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Where can I find “make” program for Mac OS X Lion?

Just upgraded my computer to Mac OS X Lion and went to terminal and typed "make" but it says: -bash: make: command not found ...
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The Difference Between Deprecated, Depreciated and Obsolete [closed]

There is a lot of confusion about this and I'd like to know, what exactly is the difference between depreciated , deprecated and obsolete , in a programming context, but also in general. ...
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How Python web frameworks, WSGI and CGI fit together

... How WSGI, CGI, and the frameworks are all connected? Apache listens on port 80. It gets an HTTP request. It parses the request to find a way to respond. Apache has a LOT of choices for responding. One way to respond is to use CGI to r...
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How does the String class override the + operator?

...x = "+x; The compiler converts "x = "+x; into a StringBuilder internally and uses .append(int) to "add" the integer to the string. 5.1.11. String Conversion Any type may be converted to type String by string conversion. A value x of primitive type T is first converted to a reference val...