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RSA 算法是如何诞生的 - 创意 - 清泛网 - 专注C/C++及内核技术
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自左至右：Adi Shamir, Ron Rivest, Leonard Adleman (via)
42次的失败
1976 年底的某天，Adleman 无意推开 Rivest 的房门。热爱新技术的 Rivest 果不其然正拿着份楼上的 Whitfield Diffie 与 Martin Hellman 合作发表的新论文研究。自认为对前沿理念...
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 ...
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...
Read binary file as string in Ruby
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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...
Firebase Storage How to store and Retrieve images [closed]
How to store and view images on firebase?
6 Answers
6
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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.
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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
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windbg 备忘 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...符号目录
!sym noisy打符号处理的提示开关，比如显示载入失败等信息，与之相反的为!sym quiet
!sympath <符号目录> 来添加符号目录，然后使用.reload/.restart重新载入模块
25. sx列出系统异常设置状态
26. l+t:进入源代码级的单步执行...
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...