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Unable to install R package in Ubuntu 11.04 [closed]
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The install.packages method
You need to install the ubuntu package libxml2-dev So in a shell prompt type:
sudo apt-get update
sudo apt-get install libxml2-dev
You will need special sudo powers for this.
Ubuntu package method
As Richie and Dirk mentioned, you can also use:...
OnInitUpdate、OnUpdate、OnDraw与OnPaint - C/C++ - 清泛网 - 专注C/C++及内核技术
...）和WM_NCPAINT（通知非客户区有变化）。非客户区的重画系统自己搞定了，而客户区的重画需要我们自己来完成。这就需要 OnDraw()或OnPaint()来重画窗口。
OnDraw()和OnPaint()有什么区别呢？
首先：
我们先要明确CView类派生自CWnd...
How to install PostgreSQL's pg gem on Ubuntu?
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For those really new to Ubuntu as me, but really new use sudo apt-get install aptitude first :)
– Haris Krajina
Oct 19 '12 at 11:44
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How do I change the root directory of an apache server? [closed]
...ig files are now typically kept in /etc/apache2/sites-available/ (Debian, Ubuntu, etc.).
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How to install Boost on Ubuntu
I'm on Ubuntu, and I want to install Boost. I tried with
7 Answers
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拉里佩奇23条箴言帮你度过创业低谷 - 资讯 - 清泛网 - 专注C/C++及内核技术
...译者注：李彦宏时任《华尔街日报》网络版实时金融信息系统设计师)，辞去了报社的工作，回到中国创建了百度。
之后拉里·佩奇改进了这项专利，并发明了自己的专利，创造了谷歌。
后来，鲁伯特·默多克买下了《华尔街日...
How can I setup & run PhantomJS on Ubuntu?
.../bin/, and I did direct symlinks for all 3 - see below.
I'm installing on Ubuntu server Natty Narwhal.
This is exactly what I did.
cd /usr/local/share
sudo wget https://bitbucket.org/ariya/phantomjs/downloads/phantomjs-1.9.7-linux-x86_64.tar.bz2
sudo tar xjf phantomjs-1.9.7-linux-x86_64.tar.bz2
s...
Make $JAVA_HOME easily changable in Ubuntu [closed]
In Ubuntu, I'd like to switch my JAVA_HOME environment variable back and forth between Java 5 and 6.
8 Answers
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Using vagrant to run virtual machines with desktop environment
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I just got this working with basically three steps. The advice from askubuntu.com didn't quite work for me, so try this simplified version:
Get a basic Ubuntu image working. You should be able to boot it and vagrant ssh.
Next, enable the VirtualBox display, which is off by default. Halt the VM...
AWS ssh access 'Permission denied (publickey)' issue [closed]
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For Ubuntu instances:
chmod 600 ec2-keypair.pem
ssh -v -i ec2-keypair.pem ubuntu@ec2-174-129-185-190.compute-1.amazonaws.com
For other instances, you might have to use ec2-user instead of ubuntu.
Most EC2 Linux images I've us...