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Boolean operators && and ||
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The shorter ones are vectorized, meaning they can return a vector, like this:
((-2:2) >= 0) & ((-2:2) <= 0)
# [1] FALSE FALSE TRUE FALSE FALSE
The longer form evaluates left to right examining only the first element of each...
Hidden Features of C++? [closed]
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But only one per function, i suspect? :)
– Constantin
Oct 5 '08 at 17:40
51
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Is it possible to reference one CSS rule within another?
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No, you cannot reference one rule-set from another.
You can, however, reuse selectors on multiple rule-sets within a stylesheet and use multiple selectors on a single rule-set (by separating them with a comma).
.opacity, .someDiv {
filter:alph...
Assign one struct to another in C
Can you assign one instance of a struct to another, like so:
5 Answers
5
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Is there a Google Voice API? [closed]
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Well...
These are PHP.
There is an sms one from google here.
And github has one here.
Another sms one is here. However, this one has a lot more code, so it may take up more space.
share...
Git copy file preserving history [duplicate]
...n rename detection. So in case of a rename, "git diff" might show you that one file has been deleted and another one created, while "git diff -M" will actually detect the move and display the change accordingly (see "man git diff" for details).
So in git this is not a matter of how you commit your ...
Fragment over another fragment issue
When I'm showing one fragment (which is full screen with #77000000 background) over another fragment (let's call it main), my main fragment still reacts to clicks (we can click a button even if we don't see it).
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Ruby on Rails Server options [closed]
...u are also confusing the roles of Apache/Nginx with the roles of other components.
Historic note: This article was originally written on November 6, 2010, when the Ruby app server ecosystem was limited. I've updated this article on March 15 2013 with all the latest updates in the ecosystem.
Discla...
Why is SCTP not much used/known
...he telecom area is moving to higher speeds and more reachable environment. One of these changes is to replace SS7 protocol by some more elegant, fast and flexible IP-based protocol.
The telecom area is very conservative. The SS7 network has been used here for decades. It is very a reliable and clos...
Foreign key from one app into another in Django
... Relevant docs can be found here
– Nathan Jones
Feb 10 '17 at 18:49
Is it okay to have foreign keys across m...