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Oracle 11.2.0.4 RAC FOR redhat 6.4 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...备一样
[rhel-source]
name=Red Hat Enterprise Linux $releasever - $basearch - Source
baseurl=ftp://ftp.redhat.com/pub/redhat/linux/enterprise/$releasever/en/os/SRPMS/
enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release
[rhel-source-beta]
name=Red Hat Enterp...
How to change Vagrant 'default' machine name?
...en 'default'. This is the name vagrant outputs on the console. Simplifying based on zook's (commenter) input
Set Provider Name
Vagrant.configure('2') do |config|
config.vm.box = "precise64"
config.vm.box_url = "http://files.vagrantup.com/precise64.box"
config.vm.provider :virtualbox do ...
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
...
以UserCF的推荐算法为例，官方建议我们的开发过程：
图片摘自Mahout in Action
从上图中我们可以看到，算法是被模块化的，通过1,2,3,4的过程进行方法调用。
程序代码：
public class UserCF {
final static int NEIGHBORHOOD_NUM = 2;
...
Read binary file as string in Ruby
...
You can probably encode the tar file in Base64. Base 64 will give you a pure ASCII representation of the file that you can store in a plain text file. Then you can retrieve the tar file by decoding the text back.
You do something like:
require 'base64'
file_cont...
Very large matrices using Python and NumPy
...L-like GROUP BY aggregation at 1,000,000 rows/second. Not bad for a Python-based solution!
Accessing the data as a NumPy recarray again is as simple as:
data = table[row_from:row_to]
The HDF library takes care of reading in the relevant chunks of data and converting to NumPy.
...
Firebase Storage How to store and Retrieve images [closed]
How to store and view images on firebase?
6 Answers
6
...
Encrypting & Decrypting a String in C# [duplicate]
...votes, I've updated it to fix silly bugs and to generally improve the code based upon comments and feedback. See the end of the post for a list of specific improvements.
As other people have said, Cryptography is not simple so it's best to avoid "rolling your own" encryption algorithm.
You can, h...
Get data from file input in JQuery
I actually have a file input and I would like to retrieve the Base64 data of the file.
7 Answers
...
Different floating point result with optimization enabled - compiler bug?
...finite precision, or if you were working with a device that used a decimal-based rather than binary-based floating point representation. But, you aren't. Most computers use the binary IEEE floating point standard.
As Maxim Yegorushkin already noted in his answer, part of the problem is that intern...
Missing include “bits/c++config.h” when cross compiling 64 bit program on 32 bit in Ubuntu
...it version of Ubuntu 10.10 and trying to cross compile to a 64 bit target. Based on my research, I have installed the g++-multilib package.
...