大约有 46,000 项符合查询结果（耗时：0.0979秒） [XML]
How to convert R Markdown to PDF?
...2013)
rmarkdown package:
There is now an rmarkdown package available on github that interfaces with Pandoc.
It includes a render function. The documentation makes it pretty clear how to convert rmarkdown to pdf among a range of other formats. This includes including output formats in the rmarkdow...
How can I do division with variables in a Linux shell?
When I run commands in my shell as below, it returns an expr: non-integer argument error. Can someone please explain this to me?
...
Array initializing in Scala
I'm new to Scala ,just started learning it today.I would like to know how to initialize an array in Scala.
6 Answers
...
The best way to remove duplicate values from NSMutableArray in Objective-C?
...ed about the order, then why aren't you storing them in an NSSet to begin with?
I wrote the answer below in 2009; in 2011, Apple added NSOrderedSet to iOS 5 and Mac OS X 10.7. What had been an algorithm is now two lines of code:
NSOrderedSet *orderedSet = [NSOrderedSet orderedSetWithArray:yourArra...
What is base 64 encoding used for?
...'ve heard people talking about "base 64 encoding" here and there. What is it used for?
18 Answers
...
java.lang.OutOfMemoryError: bitmap size exceeds VM budget - Android
...
It sounds like you have a memory leak. The problem isn't handling many images, it's that your images aren't getting deallocated when your activity is destroyed.
It's difficult to say why this is without looking at your code....
Convert SQLITE SQL dump file to POSTGRESQL
I've been doing development using SQLITE database with production in POSTGRESQL. I just updated my local database with a huge amount of data and need to transfer a specific table to the production database.
...
Detect if a page has a vertical scrollbar?
...e overflow property of the body is set to hidden somewhere along the line, it won't work. Setting hidden on a body is extremely rare, though.
– Pekka
Jan 27 '10 at 12:57
...
How can I automatically deploy my app after a git push ( GitHub and node.js)?
I have my application (node.js) deployed on a VPS (linux). I'm using git hub as a repository. How can I deploy the application automatically, on git push ?
...
Pacman: how do the eyes find their way back to the monster hole?
...
Actually, I'd say your approach is a pretty awesome solution, with almost zero-run time cost compared to any sort of pathfinding.
If you need it to generalise to arbitrary maps, you could use any pathfinding algorithm - breadth-first search is simple to implement, for example - and use ...