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Use cases for the 'setdefault' dict method
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Muhammad Alkarouri: What you do first is copy the dict then overwrite some of the items. I do that a lot too and I guess that is actually the idiom most prefer over setdefault. A defaultdict on the other hand wouldn't work if not all the defaultvalues are equal (ie some are 0 and...
What does middleware and app.use actually mean in Expressjs?
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// express
var app = express();
// middleware
var stack = middleware();
Then you can add layers to the middleware stack by calling .use
// express
app.use(express.static(..));
// middleware
stack.use(function(data, next) {
next();
});
A layer in the middleware stack is a function, which take...
Where does the @Transactional annotation belong?
...ient that the password has changed.
So in the above, if the audit fails, then should the password change also fail? If so, then the transaction should be around 1 and 2 (so at the service layer). If the email fails (probably should have some kind of fail safe on this so it won't fail) then should ...
Should I inherit from std::exception?
...e in the exception object what you need to format a user-friendly message, then do so at the catch site.
– Emil
Jan 4 '11 at 1:33
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How to scroll HTML page to given anchor?
...the page won't scroll to the same hash unless you change it to a dummy one then set it again.
– Cristian Vrabie
Nov 10 '14 at 17:05
16
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UIButton Long Press Event
...;
[self.button addGestureRecognizer:longPress];
[longPress release];
And then implement the method that handles the gesture
- (void)longPress:(UILongPressGestureRecognizer*)gesture {
if ( gesture.state == UIGestureRecognizerStateEnded ) {
NSLog(@"Long Press");
}
}
Now this woul...
Should I add the Visual Studio .suo and .user files to source control?
... copy-pasting the relevant debug settings from the .user into the .csproj, then deleting the .user file. Debugging continued to work, happily reading the correct settings from their new location in the .csproj file. This should provide a way to commit debug settings without committing the .user fi...
FIND_IN_SET() vs IN()
...pected results. If the first query is returning the results that you want then there really isn't a problem. I thought you were just curious why the 2 don't show the same result.
– superfro
Nov 11 '10 at 15:34
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How to overwrite the previous print to stdout in python?
...guarantee that the new line of text is not shorter than the existing line, then you just need to add a “clear to end of line” escape sequence:
for x in range(75):
print(‘*’ * (75 - x), x, end='\x1b[1K\r')
print()
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PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
...e version changes the underlying storage data type of TIMESTAMP to 64-bit, then there is no need to change your code to DATETIME, right? I just don't think discouraging anyone from using TIMESTAMP is the right thing to do because that data type does have its purpose.
– pixelfre...