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Calculate a MD5 hash from a string
...ks well and generates a 32-character hex string like this:
900150983cd24fb0d6963f7d28e17f72
16 Answers
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How do I remove the Devise route to sign up?
...giving you this problem:
Started GET "/users/invitation/accept?invitation_token=xxxxxxx" for 127.0.0.1
Processing by Devise::InvitationsController#edit as HTML
Parameters: {"invitation_token"=>"6Fy5CgFHtjWfjsCyr3hG"}
[Devise] Could not find devise mapping for path "/users/invitation/accept? ...
Are tuples more efficient than lists in Python?
...les can be reused instead of copied.
3) Tuples are compact and don't over-allocate.
4) Tuples directly reference their elements.
Tuples can be constant folded
Tuples of constants can be precomputed by Python's peephole optimizer or AST-optimizer. Lists, on the other hand, get built-up from scra...
How to manually set an authenticated user in Spring Security / SpringMVC
...SecurityContextHolder is not updated
UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(username, password);
token.setDetails(new WebAuthenticationDetails(request));
Authentication authentication = this.authenticationProvider.authenticate(toke...
How do I detect if software keyboard is visible on Android Device or not?
...le.com/group/android-platform/browse_thread/thread/1728f26f2334c060/5e4910f0d9eb898a where Dianne Hackborn from the Android team has replied. However, you can detect it indirectly by checking if the window size changed in #onMeasure. See How to check visibility of software keyboard in Android?.
...
presentViewController and displaying navigation bar
...troller you want:
MyViewController *myViewController = [[MyViewController alloc] initWithNibName:nil bundle:nil];
UINavigationController *navigationController =
[[UINavigationController alloc] initWithRootViewController:myViewController];
//now present this navigation controller modally
[sel...
General guidelines to avoid memory leaks in C++ [closed]
...rams? How do I figure out who should free memory that has been dynamically allocated?
29 Answers
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What does “dereferencing” a pointer mean?
... // Note earlier ++p and + 2 here => sizes[3]
Pointers to dynamically allocated memory
Sometimes you don't know how much memory you'll need until your program is running and sees what data is thrown at it... then you can dynamically allocate memory using malloc. It is common practice to store ...
What's a simple way to get a text input popup dialog box on an iPhone
...will not need a private API for this.
UIAlertView * alert = [[UIAlertView alloc] initWithTitle:@"Alert" message:@"This is an example alert!" delegate:self cancelButtonTitle:@"Hide" otherButtonTitles:nil];
alert.alertViewStyle = UIAlertViewStylePlainTextInput;
[alert show];
[alert release];
This r...
Performance difference between IIf() and If
...as well.
[1] IIf Function - http://msdn.microsoft.com/en-us/library/27ydhh0d(VS.71).aspx
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