大约有 33,000 项符合查询结果（耗时：0.0637秒） [XML]
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...
unix domain socket VS named pipes?
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One difference is that named pipes are one-way, so you'll need to use two of them in order to do two-way communication. Sockets of course are two way. It seems slightly more complicated to use two variables instead of one (th...
jQuery callback for multiple ajax calls
... is needed for a final callback. The calls themselves are not dependent on one another, they can all go at the same time, however I would like to have a final callback when all three are complete.
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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...
Are there any reasons to use private properties in C#?
...oo! I also like the ability to add extra logic later as @Reed Copsey mentioned previously.
– J.Hendrix
Jul 22 '10 at 15:21
44
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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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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...
Google Chrome Extensions - Can't load local images with CSS
...convenient to develop as unpacked extension id and uploaded to the gallery one have different ids. It's not the end of the world, just inconvenience and sort of bad practice, just like hardcoding absolute file pathes in the code for example.
– serg
Jul 28 '11 a...
Can't get Gulp to run: cannot find module 'gulp-util'
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So with a 150K views on this question alone, I'd love to know what the root cause of this is... This occurs quite frequently for me and I'm guessing I'm not the only one. This adds up to a lot of wasted time!
– cloakedninjas
J...