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How do I get the key at a specific index from a Dictionary in Swift?
...n the result:
let firstKey = Array(myDictionary.keys)[0] // or .first
Remember, dictionaries are inherently unordered, so don't expect the key at a given index to always be the same.
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Adding external library in Android studio
...not resolve project :zip_file." Generated code in dependency is ` implementation project(':zip_file')`. Also, I'm using 'com.android.tools.build:gradle:3.2.0-rc03' and https\://services.gradle.org/distributions/gradle-4.6-all.zip
– Nikola
Sep 20 '18 at 15:3...
When to use nested classes and classes nested in modules?
...el class. For instance, in Java,
class Car {
class Wheel { }
}
only methods in the Car class can create Wheels.
Ruby doesn’t have that behaviour.
In Ruby,
class Car
class Wheel
end
end
differs from
class Car
end
class Wheel
end
only in the name of the class Wheel vs. Car::Wheel...
How do you display JavaScript datetime in 12 hour AM/PM format?
How do you display a JavaScript datetime object in the 12 hour format (AM/PM)?
25 Answers
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Retrieve column names from java.sql.ResultSet
With java.sql.ResultSet is there a way to get a column's name as a String by using the column's index? I had a look through the API doc but I can't find anything.
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ImportError: No module named site on Windows
I am trying to install Python for the first time. I downloaded the following installer from the Python website:
Python 2.7.1 Windows Installer (Windows binary -- does not include source) . I then ran the installer, selected 'All Users' and all was fine. I installed Python into the default location:...
Circular list iterator in Python
I need to iterate over a circular list, possibly many times, each time starting with the last visited item.
6 Answers
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How to master AngularJS? [closed]
...is is the most comprehensive AngularJS learning resource repository I've come across:
AngularJS-Learning
To pluck out the best parts (in recommended order of learning):
http://www.egghead.io/ - Series of short, to the point AngularJS videos
AngularJS Cheatsheet - regularly updated cheatsheet [la...
Eclipse doesn't highlight references anymore
I have an odd problem. In Eclipse Ganymede, I used to be able to highlight a variable, and it would highlight the use of that variables in that method. However through some action I have now disabled it. Is there a way I can enable it?
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Using an if statement to check if a div is empty
...
You can use .is().
if( $('#leftmenu').is(':empty') ) {
// ...
Or you could just test the length property to see if one was found.
if( $('#leftmenu:empty').length ) {
// ...
Keep in mind that empty means no white space either. If there's a chan...