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Find() vs. Where().FirstOrDefault()
I often see people using Where.FirstOrDefault() to do a search and grab the first element. Why not just use Find() ? Is there an advantage to the other? I couldn't tell a difference.
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Formatting a number with leading zeros in PHP [duplicate]
... of what wtf8_decode said; Negative numbers would not have leading zeros, and they are not positive numbers. i.e. 08 would be written as such as a date, or something which expects a positive double digit number (Bank Account sort code etc). Please correct me if I'm wrong, but as far as I know, the...
Join/Where with LINQ and Lambda
I'm having trouble with a query written in LINQ and Lambda. So far, I'm getting a lot of errors here's my code:
9 Answers
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How do I include negative decimal numbers in this regular expression?
...\d*(\.\d+)?$
I verified it in Rubular with these values:
10.00
-10.00
and both matched as expected.
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Error when testing on iOS simulator: Couldn't register with the bootstrap server
...of a UIAlertView. I stopped debugging there, made some changes to the code and built the app again. Now when I run the application, I get this error in the console
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Calling C++ class methods via a function pointer
How do I obtain a function pointer for a class member function, and later call that member function with a specific object? I’d like to write:
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What is the difference between '@' and '=' in directive scope in AngularJS?
I've read the AngularJS documentation on the topic carefully, and then fiddled around with a directive. Here's the fiddle .
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AngularJS - Create a directive that uses ng-model
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EDIT: This answer is old and likely out of date. Just a heads up so it doesn't lead folks astray. I no longer use Angular so I'm not in a good position to make improvements.
It's actually pretty good logic but you can simplify things a bit.
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Entity Framework is Too Slow. What are my options? [closed]
I have followed the "Don't Optimize Prematurely" mantra and coded up my WCF Service using Entity Framework.
13 Answers
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Why use prefixes on member variables in C++ classes
...y specific case, I found the _L happened to be reserved by Visual C++ 2005 and the clash created some unexpected results.
I am on the fence about how useful it is to mark up local variables.
Here is a link about which identifiers are reserved:
What are the rules about using an underscore in a C++ ...