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Hash and salt passwords in C#
I was just going through one of DavidHayden's articles on Hashing User Passwords .
14 Answers
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How to access a preexisting collection with Mongoose?
I have a large collection of 300 question objects in a database test . I can interact with this collection easily through MongoDB's interactive shell; however, when I try to get the collection through Mongoose in an express.js application I get an empty array.
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Rails: How can I set default values in ActiveRecord?
How can I set default value in ActiveRecord?
27 Answers
27
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Performance optimization strategies of last resort [closed]
There are plenty of performance questions on this site already, but it occurs to me that almost all are very problem-specific and fairly narrow. And almost all repeat the advice to avoid premature optimization.
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When should I use double instead of decimal?
I can name three advantages to using double (or float ) instead of decimal :
12 Answers
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Return empty cell from formula in Excel
I need to return an empty cell from an Excel formula, but it appears that Excel treats an empty string or a reference to an empty cell differently than a true empty cell. So essentially I need something like
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Visual studio compiles fine but still shows red lines
I am using VS 2012 and it was working all fine until I started observing some funny behavior. When I open my code it shows red Underlines which we usually see when there is an error in our code. Surprisingly, code compiles all fine. I have made following observations that are not normal at all.
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Detect whether there is an Internet connection available on Android [duplicate]
I need to detect whether the Android device is connected to the Internet.
6 Answers
6
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Capture Signature using HTML5 and iPad
Anyone know how this can be done? Would you use a canvas object, svg, jQuery, etc?
6 Answers
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