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Equivalent of “continue” in Ruby
...
Yes, it's called next.
for i in 0..5
if i < 2
next
end
puts "Value of local variable is #{i}"
end
This outputs the following:
Value of local variable is 2
Value of local variable is 3
Value of local variable is 4
V...
Is it possible to use getters/setters in interface definition?
...osed to hide these implementation details anyway as it is a promise to the calling code about what it can call.
interface IExample {
Name: string;
}
class Example implements IExample {
// this satisfies the interface just the same
public Name: string = "Bob";
}
var example = new Examp...
What are the implications of using “!important” in CSS? [duplicate]
...the !important) because thats a not operator in javascript but in css it's called a delimiter token that just says to take priority. Heres an example.
Without !important:
.set-color{
color: blue;
}
.set-color{
color: red;
}
outputs RED
!important on bottom attribute (of same)
.set-...
WebApi's {“message”:“an error has occurred”} on IIS7, not in IIS Express
...mErrors mode="Off"/></system.web> This pointed to a missing dynamically-loaded dependency. After adding this dependency and telling it to be copied locally, the server started working.
share
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A monad is just a monoid in the category of endofunctors, what's the problem?
...o (Just x) = [x]
reverse' :: [] :-> []
reverse' = Natural reverse
Basically, in Haskell, natural transformations are functions from some type f x to another type g x such that the x type variable is "inaccessible" to the caller. So for example, sort :: Ord a => [a] -> [a] cannot be made i...
How to get UITableView from UITableViewCell?
...ive category on UIView for this. You don't need to check the version; just call superview until you find a table view cell or the top of the view stack. This is what I used in iOS 6, and it worked without modification in iOS 7. And should work sitll in iOS 8.
– Steven Fisher
...
What's the difference between lists enclosed by square brackets and parentheses in Python?
...1,2)
>>> x
(1, 2)
>>> x.append(3)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: 'tuple' object has no attribute 'append'
The other main difference is that a tuple is hashable, meaning that you can use it as a key to a diction...
Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags
... allows you to navigate to symbol declaration/definitions (what some would call a one-way lookup). ctags is a general purpose tool useful for many languages.
On the other hand (as mentioned on the project's page) cscope allows you to:
Go to the declaration of a symbol
Show a selectable list of al...
How can I add a table of contents to a Jupyter / JupyterLab notebook?
...
For all headings in your markdowns, notebook automatically adds anchors. You can click on the pilcrow (¶) on the right of the headings that you see when you hover over them, to reveal the anchor in your browser address bar. You can use this anchor instead of adding anchors man...
stringstream, string, and char* conversion confusion
...ender cstr invalid. It is therefor safer to not to store the result of the call to str() at all and use cstr only until the end of the full expression:
use_c_str( stringstream.str().c_str() );
Of course, the latter might not be easy and copying might be too expensive. What you can do instead is t...