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How to upgrade R in ubuntu? [closed]
I have R 2.12.1 installed in my ubuntu, and I'd like upgrade to lastest version 2.15, how can achieve that ? Thanks
1 Answ...
Installing rmagick on Ubuntu
I'm trying to get RMagick setup on Ubuntu 10.04. Looked here but had no joy. I even compiled and installed ImageMagick from source, but the instructions here still didn't help me when I try to install RMagick using RubyGems. I got this error:
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从源代码剖析Mahout推荐引擎 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...致时为-1.0。
说明：计算非常慢，有大量排序。针对推荐系统中的数据集来讲，用Spearman秩相关系数作为相似度量是不合适的。
CityBlockSimilarity: 曼哈顿距离相似度
原理：曼哈顿距离的实现，同欧式距离相似，都是用于多维数...
How to install lxml on Ubuntu
I'm having difficulty installing lxml with easy_install on Ubuntu 11.
11 Answers
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Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
这几天系统地学习了一下Lua这个脚本语言，Lua脚本是一个很轻量级的脚本，也是号称性能最高的脚本，用在很多需要性能的地方，比如：游戏脚本，nginx，wireshark的脚本，当你把他的源码下下来编译后，你会发现解释器居然不到2...
Error - trustAnchors parameter must be non-empty
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In Ubuntu 18.04, this error has a different cause (JEP 229, switch from the jks keystore default format to the pkcs12 format, and the Debian cacerts file generation using the default for new files) and workaround:
# Ubuntu 18.0...
How to reset or change the MySQL root password?
How do I change the MySQL root password and username in ubuntu server? Do I need to stop the mysql service before setting any changes?
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How to pass password automatically for rsync SSH command?
... It should be noted that this is not always possible to do (e.g. many android ssh server implementation are quite limited).
– Ponkadoodle
Aug 28 '15 at 4:05
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Add Keypair to existing EC2 instance
...B. For example, you may want to:
Put the correct ssh keys in /vol-a/home/ubuntu/.ssh/authorized_keys
Edit and fix /vol-a/etc/sudoers
Look for error messages in /vol-a/var/log/syslog
Copy important files out of /vol-a/…
Note: The uids on the two instances may not be identical, so take care if y...
What are the differences and similarities between ffmpeg, libav, and avconv?
When I run ffmpeg on Ubuntu, it shows:
1 Answer
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