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How do I create an abstract base class in JavaScript?
...ract
*/
Animal.prototype.say = function() {
throw new Error("Abstract m>me m>thod!");
}
The Animal "class" and the say m>me m>thod are abstract.
Creating an instance would throw an error:
new Animal(); // throws
This is how you "inherit" from it:
var Cat = function() {
Animal.apply(this, argu...
Erlang's 99.9999999% (nine nines) reliability
...rted to have been used in production systems for over 20 years with an uptim>me m> percentage of 99.9999999%.
4 Answers
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How to “test” NoneType in python?
I have a m>me m>thod that som>me m>tim>me m>s returns a NoneType value. So how can I question a variable that is a NoneType? I need to use if m>me m>thod, for example
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How to get StackPanel's children to fill maximum space downward?
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It sounds like you want a StackPanel where the final elem>me m>nt uses up all the remaining space. But why not use a DockPanel? Decorate the other elem>me m>nts in the DockPanel with DockPanel.Dock="Top", and then your help control can fill the remaining space.
XAML:
<DockPanel Width="...
Chaining multiple filter() in Django, is this a bug?
I always assum>me m>d that chaining multiple filter() calls in Django was always the sam>me m> as collecting them in a single call.
4...
How many concurrent requests does a single Flask process receive?
...erving a Flask application with gunicorn and 4 worker processes, does this m>me m>an that I can handle 4 concurrent requests?
4 ...
All permutations of a Windows license key
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Disclaim>me m>r: Yes, I know that this is not Python code. It just popped into my mind and I simply had to write it down.
The simplest way is the use of shell expansion:
$ echo MPP6R-09RXG-2H{8,B}MT-{B,8}K{H,N}M9-V{6,G}C8R
MPP6R-09RXG-...
How to turn off the Eclipse code formatter for certain sections of Java code?
I've got som>me m> Java code with SQL statem>me m>nts written as Java strings (please no OR/M flam>me m>wars, the embedded SQL is what it is - not my decision).
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Xcode 'Build and Archive' m>me m>nu item disabled
...e" (or any specific device if connected) to activate "Product → Archive" m>me m>nu item. For som>me m> strange reason when any kind of iOS Simulator is selected, Archive is greyed out.
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gradlew: Permission Denied
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You m>me m>an, chmod +x gradlew? (: It worked. Please edit your answer so that I can mark it as the accepted one. Thanks!
– Brenda Nicole Tan
Jul 16 '13 at 6:35
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