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On design patterns: When should I use the singleton?
...wing way in Root Cause of Singletons, "The information here flows one way: From your application into the logger. Even though loggers are global state, since no information flows from loggers into your application, loggers are acceptable."
I'm sure there are other valid reasons as well. Alex Miller...
When should I choose Vector in Scala?
...ecomposition in head/tail is about 10 times faster on lists and generation from a traversable is about 2 times faster for vectors. (This is probably, because Vector can allocate arrays of 32 elements at once when you build it up using a builder instead of prepending or appending elements one by one)...
Is main() really start of a C++ program?
The section $3.6.1/1 from the C++ Standard reads,
11 Answers
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Different bash prompt for different vi editing mode?
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Fresh bash 4.3 and readline 6.3 have something for you guys.. from the changelog:
4. New Features in Readline
j. New user-settable variable, show-mode-in-prompt, adds a characters to the
beginning of the prompt indicating the current editing mode.
So putting
set show-mode-in-p...
Copy the entire contents of a directory in C#
I want to copy the entire contents of a directory from one location to another in C#.
22 Answers
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Tool to track #include dependencies [closed]
... do any of the extra stuff that the other tools do, but since it is coming from the compiler, there is no chance that it will pick up files from the "wrong" place.
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Angular.js directive dynamic templateURL
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Nice, but... can I access to scope attributes from the templateUrl function? The templateUrl depends on a scope value, but I can't access to it :(
– josec89
Jun 10 '14 at 11:56
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jQuery checkbox checked state changed event
...). I thought you had to use the change event if you want to detect changes from the keyboard (tabbing, hitting space), but surprisingly, click also detects changes that aren't from a mouse click, not sure if it's a jQuery thing, jsfiddle.net/mendesjuan/E39sz
– Juan Mendes
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CSS Properties: Display vs. Visibility
...M? for example... if you have display: none;, then that element is removed from the DOM? or am I totally confused?
– Hristo
Aug 13 '10 at 18:18
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Are NSLayoutConstraints animatable? [duplicate]
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Just follow this exact pattern:
self.heightFromTop.constant = 550.0f;
[myView setNeedsUpdateConstraints];
[UIView animateWithDuration:0.25f animations:^{
[myView layoutIfNeeded];
}];
where myView is the view where self.heightFromTop was added to. Your view is "j...