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What data type to use for hashed password field and what length?

... @Hippo: Please, don't use the username as the salt. Generate a random salt per user. – Bill Karwin Sep 15 '10 at 18:38 11 ...
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How to bind to a PasswordBox in MVVM

...e security attack vector. The PasswordBox uses encrypted memory (of sorts) and the only way to access the password is through the CLR property. I would suggest that when accessing the PasswordBox.Password CLR property you'd refrain from placing it in any variable or as a value for any property. Ke...
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proper hibernate annotation for byte[]

I have an application using hibernate 3.1 and JPA annotations. It has a few objects with byte[] attributes (1k - 200k in size). It uses the JPA @Lob annotation, and hibernate 3.1 can read these just fine on all major databases -- it seems to hide the JDBC Blob vendor peculiarities (as it should do...
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When to use the different log levels

...he following convention: Trace - Only when I would be "tracing" the code and trying to find one part of a function specifically. Debug - Information that is diagnostically helpful to people more than just developers (IT, sysadmins, etc.). Info - Generally useful information to log (service start/s...
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How do I add an existing directory tree to a project in Visual Studio?

...ucture for my project on the file system. How do I include all the folders and files in a project, keeping the structure? 1...
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Recursive Lock (Mutex) vs Non-Recursive Lock (Mutex)

... to be recursive. That means the same thread can lock the same mutex twice and won't deadlock. Of course it also needs to unlock it twice, otherwise no other thread can obtain the mutex. Not all systems supporting pthreads also support recursive mutexes, but if they want to be POSIX conform, they h...
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Is “IF” expensive?

...can't, for the life of me, remember what exactly our teacher said that day and I'm hoping you would probably know. 16 Answe...
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Is there a best practice for generating html with javascript

...ce that returns an array of objects in JSON. I want to take those objects and populate a div with HTML. Let's say each object contains a url and a name. ...
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Get file size, image width and height before upload

How can I get the file size, image height and width before upload to my website, with jQuery or JavaScript? 7 Answers ...
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Basic http file downloading and saving to disk in python?

I'm new to Python and I've been going through the Q&A on this site, for an answer to my question. However, I'm a beginner and I find it difficult to understand some of the solutions. I need a very basic solution. ...