大约有 25,300 项符合查询结果（耗时：0.0413秒） [XML]
In a javascript array, how do I get the last 5 elements, excluding the first element?
...e(Math.max(arr.length - 5, 1))
If you don't want to exclude the first element, use
arr.slice(Math.max(arr.length - 5, 0))
share
|
improve this answer
|
follow
...
MySQL: determine which database is selected?
...ysql_select_db to grab a database, is there any way to later output the name of the database that is currently selected? This seems very basic but I couldn't find anything on php.net or stackoverflow (all results are for "no database selected").
...
How to pass parameters using ui-sref in ui-router to controller
I need to pass and recieve two parameters to the state I want to transit to using ui-sref of ui-router.
3 Answers
...
Getting the folder name from a path
What objects or methods could I use that would give me a result of folder2 ?
9 Answers
...
Choosing between qplot() and ggplot() in ggplot2 [closed]
...
As for me, if both qplot and ggplot are available, the criterion depends on whether data is stored in data.frame or separate variables.
x<-1:10
y<-rnorm(10)
qplot(x,y, geom="line") # I will use this
ggplot(data.frame(x,y), a...
Break promise chain and call a function based on the step in the chain where it is broken (rejected)
...he reason your code doesn't work as expected is that it's actually doing something different from what you think it does.
Let's say you have something like the following:
stepOne()
.then(stepTwo, handleErrorOne)
.then(stepThree, handleErrorTwo)
.then(null, handleErrorThree);
To better understand...
Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?
...
Similar to UI, MK, CL prefixes which while all have meanings to it and need to import a respective .h file like :UIKit, MapKit, CoreLocation; Does the CG prefix mean I should import anything? If not is is just a naming convention?!
– Honey
...
How to check version of a CocoaPods framework
...
add a comment
|
153
...
What is the advantage to using bloom filters?
...rings (tries are an exception, since
they can share storage between
elements with equal prefixes). Linked
structures incur an additional linear
space overhead for pointers. A Bloom
filter with 1% error and an optimal
value of k, on the other hand,
requires only about 9.6 bits per
ele...
Fragment lifecycle - which method is called upon show / hide?
I am using the following method to switch between Fragments (in my NavigationDrawer) by showing / hiding them.
11 Answers
...