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How to create duplicate allowed attributes
I'm using a custom attribute inherited from an attribute class. I'm using it like this:
6 Answers
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Red black tree over avl tree
...od insights on differences, similarities, performance, etc.
Here's a quote from the article:
RB-Trees are, as well as AVL trees, self-balancing. Both of them provide O(log n) lookup and insertion performance.
The difference is that RB-Trees guarantee O(1) rotations per insert operation. That is wha...
Which is better, number(x) or parseFloat(x)?
... For the cases they behave the same I've found out that parseFloat is from 1% to 15% slower, becoming slower when the number of decimal digits in a string increases. With 1M run in my system parseFloat('1.501') is 5% slower than Number('1.501'), and parseFloat('1.50137585467') is 15% slower tha...
How do I achieve the theoretical maximum of 4 FLOPs per cycle?
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Furthermore, I take no responsibility for whatever damage that may result from running this code.
Notes:
This code is optimized for x64. x86 doesn't have enough registers for this to compile well.
This code has been tested to work well on Visual Studio 2010/2012 and GCC 4.6.ICC 11 (Intel Compile...
Understanding typedefs for function pointers in C
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Consider the signal() function from the C standard:
extern void (*signal(int, void(*)(int)))(int);
Perfectly obscurely obvious - it's a function that takes two arguments, an integer and a pointer to a function that takes an integer as an argument and retu...
Vertically align an image inside a div with responsive height
...idth:height = 16:9 */
}
Here is the Online Demo. Comment out the lines from the bottom and resize the panel to see the effect.
Also, we could apply the padding property to a dummy child or :before/:after pseudo-element to achieve the same result. But note that in this case, the percentage value...
How to set NODE_ENV to production/development in OS X
...a config.json file in your directory and everytime your app runs, it reads from it and sets the configuration.
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Bootstrap 3 Flush footer to bottom. not fixed
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There is a simplified solution from bootstrap here (where you don't need to create a new class): http://getbootstrap.com/examples/sticky-footer-navbar/
When you open that page, right click on a browser and "View Source" and open the sticky-footer-navbar.c...
Can't connect to localhost on SQL Server Express 2012 / 2016
...the option "New installation or add features to an existing installation". From there you should be able to make sure the database engine service gets installed.
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Cannot set some HTTP headers when using System.Net.WebRequest
...lution is to modify their values using the appropriate property explicitly from the WebRequest/HttpWebRequest class.
Edit: (useful, from comments, comment by user Kaido)
Solution is to check if the header exists already or is restricted (WebHeaderCollection.IsRestricted(key)) before calling a...