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How do you rename a MongoDB database?
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So MongoDB should have one command that calls two functions, copy and drop? I don't see a big reason to have this single command. But it could be nice to some.
– TamusJRoyce
May 4 '17 at 14:10
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jQuery selectors on custom data attributes using HTML5
... Isn't there a way to get data attribute values without typing data in the call?
– ahnbizcad
Jul 2 '14 at 9:26
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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
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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...
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...
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.
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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...
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...
What are type lambdas in Scala and what are their benefits?
... specify one of the types; the other of course is supplied at the time you call point or bind.
The type lambda trick exploits the fact that an empty block in a type position creates an anonymous structural type. We then use the # syntax to get a type member.
In some cases, you may need more sophis...