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Using 'return' in a Ruby block
...y 1.9.1 for an embedded scripting language, so that "end-user" code gets written in a Ruby block. One issue with this is that I'd like the users to be able to use the 'return' keyword in the blocks, so they don't need to worry about implicit return values. With this in mind, this is the kind of th...
WCF Error - Could not find default endpoint element that references contract 'UserService.UserServic
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I had a run in with the same problem. My application was also a Silverlight application and the service was being called from a class library with a custom UserControl that was being used in it.
The solution is simple. Copy the endpoint ...
What is a pre-revprop-change hook in SVN, and how do I create it?
I wanted to edit a log comment in the repository browser and received an error message that no pre-revprop-change hook exists for the repository. Besides having a scary name, what is a pre-revprop-change hook, and how do I create it?
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Can a CSS class inherit one or more other classes?
...r for so long and not knowing the answer to this question, I actually hope it's possible and I just didn't know about rather than what I think is the answer (which is that it's not possible).
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Can one do a for each loop in java in reverse order?
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The Collections.reverse method actually returns a new list with the elements of the original list copied into it in reverse order, so this has O(n) performance with regards to the size of the original list.
As a more efficient solution, you could write a decorator that presents a rev...
HorizontalScrollView within ScrollView Touch Handling
...od to only intercept the touch event if the Y motion is > the X motion. It seems like the default behavior of a ScrollView is to intercept the touch event whenever there is ANY Y motion. So with the fix, the ScrollView will only intercept the event if the user is deliberately scrolling in the Y d...
What's invokedynamic and how do I use it?
...and one of those cool features is invokedynamic. I would like to know what it is and how does it make reflective programming in Java easier or better?
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Is there a performance difference between i++ and ++i in C++?
...f you don't have a specific reason to use i++.]
For C++, the answer is a bit more complicated.
If i is a simple type (not an instance of a C++ class), then the answer given for C ("No there is no performance difference") holds, since the compiler is generating the code.
However, if i is an instan...
converting CSV/XLS to JSON? [closed]
...This worked perfectly for me and does NOT require a file upload:
https://github.com/cparker15/csv-to-json?files=1
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Do Facebook Oauth 2.0 Access Tokens Expire?
I am playing around with the Oauth 2.0 authorization in Facebook and was wondering if the access tokens Facebook passes out ever expire. If so, is there a way to request a long-life access token?
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