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Why does ('0' ? 'a' : 'b') behave different than ('0' == true ? 'a' : 'b') [duplicate]
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Actually, your statement that '0' is evaluated as a boolean is not correct, what actually happens is that true is evaluated as a number, which then forces '0' to be evaluated as a number. This comes as a direct result of the spec...
Directive isolate scope with ng-repeat scope in AngularJS
...ed into ngRepeat for use on your directive's attributes do use a prototypically-inherited scope
the reason your directive doesn't work has nothing to do with the isolate scope
Here's an example of the same code but with the directive removed:
<li ng-repeat="name in names"
ng-class="{ activ...
What are the lesser known but useful data structures?
There are some data structures around that are really useful but are unknown to most programmers. Which ones are they?
83 A...
How do I create a dictionary with keys from a list and values defaulting to (say) zero? [duplicate]
...that if 0 is mutable (e.g. list or dict), you get into trouble, because it all refers to the same memory location. For this reason, the accepted answer is safer.
– NumesSanguis
Oct 25 '19 at 7:00
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Is it possible to use JS to open an HTML select to show its option list? [duplicate]
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I am also wishing I could programmatically open a select for keyboard users. In Firefox the change event doesn't fire until the select loses focus, and if the menu isn't actually open, it doesn't select anything when you tab off. LAME-O!
– M...
ArrayList initialization equivalent to array initialization [duplicate]
...rrayList<String>(){{
add("A");
add("B");
}}
What this is actually doing is creating a class derived from ArrayList<String> (the outer set of braces do this) and then declare a static initialiser (the inner set of braces). This is actually an inner class of the containing class, a...
Android: Storing username and password?
...how to use it.
If this is not an option to you for some reason, you can fall back to persisting credentials using the Preferences mechanism. Other applications won't be able to access your preferences, so the user's information is not easily exposed.
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Bash script to set up a temporary SSH tunnel
...le [ ! -e $ctrl_socket ]; do sleep 0.1; done
– Adam Wallner
Feb 11 '18 at 22:19
when I do this I'm getting open failed...
How do I exit the Vim editor?
...ite if there are changes)
:exit to write and exit (same as :x)
:qa to quit all (short for :quitall)
:cq to quit without saving and make Vim return non-zero error (i.e. exit with error)
You can also exit Vim directly from "Normal mode" by typing ZZ to save and quit (same as :x) or ZQ to just quit (...
How do I compute derivative using Numpy?
...rivative of y wrt x. In 8 we apply this derivative function to a vector of all ones and get the vector of all twos. This is because, as stated in line 6, yprime = 2*x.
– MRocklin
Apr 14 '12 at 13:45
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