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No line-break after a hyphen
...
The reason why the result may differ from a normal hyphen is that many fonts do not contain the non-breaking hyphen. This forces browsers to use a different font, and while the non-breaking hyphen looks the same as normal hyphen in that font, there is no guarant...
What is context in _.each(list, iterator, [context])?
...ame Array as "someOtherArray"
alert( this[num] ); // num is the value from the array being iterated
// so this[num] gets the item at the "num" index of
// someOtherArray.
}, someOtherArray);
Working Example: http://jsfiddle.net/a6Rx4/
It ...
Declaring abstract method in TypeScript
... full support for polymorphism and the ability to call implemented methods from the base class. Let's start with the code:
/**
* The interface defines all abstract methods and extends the concrete base class
*/
interface IAnimal extends Animal {
speak() : void;
}
/**
* The abstract base cla...
@selector() in Swift?
...ing Swift 3 / Xcode 8 and Swift 4 / Xcode 9):
You can construct a Selector from a Swift function type using the #selector expression.
let timer = Timer(timeInterval: 1, target: object,
selector: #selector(MyClass.test),
userInfo: nil, repeats: false)
button.addTar...
Creating an array of objects in Java
...
I had this confusion too, since I am from C++ background I always assumed that like in C++ Java's new keyword also calls the constructor and allocates the I memory. I guess in Java new only creates the references not the actual object as compared to C++. Thanks ...
How ListView's recycling mechanism works
...lem is now I have something that does not make sense. This is my getView from my BaseAdapter :
3 Answers
...
Are nested try/except blocks in python a good programming practice?
...or:
raise AttributeError("The object doesn't have such attribute") from None
PS. has_key() has been deprecated for a long time in Python 2. Use item in self.dict instead.
share
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improve t...
proper way to sudo over ssh
...gt;
root
We're telling sudo not to issue a prompt, and to take its input from stdin. This makes the sudo password passing completely silent so the only response you get back is the output from whoami.
This technique has the benefit of allowing you to run programs through sudo over ssh that thems...
Does PowerShell support constants?
...on for defining a constant like this:
const myConst = 42
Solution taken from http://poshcode.org/4063
function Set-Constant {
<#
.SYNOPSIS
Creates constants.
.DESCRIPTION
This function can help you to create constants so easy as it possible.
It works as k...
Maven project version inheritance - do I have to specify the parent version?
...
@halil The question is about inheriting a version from a parent with the goal to have the same version in two artifacts. If you have different parents with different versions (in an inheritance hierarchy) you probably will not make them all the same version. I therefore do n...