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.toArray(new MyClass[0]) or .toArray(new MyClass[myList.size()])?
...rray(new MyClass[0]);
I have run a micro benchmark using jmh the results and code are below, showing that the version with an empty array consistently outperforms the version with a presized array. Note that if you can reuse an existing array of the correct size, the result may be different.
Benc...
What is the difference between and ?
What is the difference between <html lang="en"> and <html lang="en-US"> ? What other values can follow the dash?
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Scoping in Python 'for' loops
I'm not asking about Python's scoping rules; I understand generally how scoping works in Python for loops. My question is why the design decisions were made in this way. For example (no pun intended):
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How to upgrade Git to latest version on macOS?
I just bought a new Mac with OS X Lion and I checked in the Terminal what version of git is installed by default. I got the answer
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difference between iframe, embed and object elements
...ame>
The iframe element represents a nested browsing context. HTML 5 standard - "The <iframe> element"
Primarily used to include resources from other domains or subdomains but can be used to include content from the same domain as well. The <iframe>'s strength is that the embedded c...
String representation of an Enum
...This is because static field initialisers are called in declaration order, and before the static constructor, creating the weird and necessary but confusing situation that the instance constructor can be called before all static fields have been initialised, and before the static constructor is call...
What's the correct way to communicate between controllers in AngularJS?
....js version 1.2.7. $broadcast now avoids bubbling over unregistered scopes and runs just as fast as $emit.
So, now you can:
use $broadcast from the $rootScope
listen using $on from the local $scope that needs to know about the event
Original Answer Below
I highly advise not to use $rootScop...
How do you add CSS with Javascript?
... { color: red; }', sheet.cssRules.length);
...on all but (naturally) IE8 and prior, which uses its own marginally-different wording:
sheet.addRule('strong', 'color: red;', -1);
There is a theoretical advantage in this compared to the createElement-set-innerHTML method, in that you don't have to...
Add x and y labels to a pandas plot
Suppose I have the following code that plots something very simple using pandas:
7 Answers
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In Xcode, how to suppress all warnings in specific source files?
...lication I use 3rd party code that triggers some warnings. I reviewed them and they can be safely ignored.
3 Answers
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