大约有 9,000 项符合查询结果(耗时:0.0215秒) [XML]
Importing data from a JSON file into R
Is there a way to import data from a JSON file into R? More specifically, the file is an array of JSON objects with string fields, objects, and arrays. The RJSON Package isn't very clear on how to deal with this http://cran.r-project.org/web/packages/rjson/rjson.pdf .
...
How to comment out a block of Python code in Vim
I was wondering if there was any key mapping in Vim to allow me to indent certain lines of code (whether those lines have been selected in visual mode, or n lines above/below current cursor position).
...
Tools for making latex tables in R [closed]
On general request, a community wiki on producing latex tables in R. In this post I'll give an overview of the most commonly used packages and blogs with code for producing latex tables from less straight-forward objects. Please feel free to add any I missed, and/or give tips, hints and little trick...
不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...死了换个思路
第二种方法
由于我们的客户端都是LINUX 主机。所以打算利用linux 强大的route 功能
在主机A 上执行命令
route add -host 172.16.110.80 gw 172.16.100.253
route add -host 172.16.110.80 gw 172.16.100.254
在主机B 上执行命...
Why is “a” != “a” in C?
Why is the output No, not equal ?
11 Answers
11
...
Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
Linux下部署企业级邮件服务器(postfix + dovecot + extmail)postfix + dovecot + extmail解决方案搭建邮件服务器全攻略,以及搭建过程中常见问题的解决方法汇总。首先通过一幅图看看整个解决方案的原理:
当用户通过extmail登陆时,首先extm...
I have 2 dates in PHP, how can I run a foreach loop to go through all of those days?
...ate 2010-05-01 and ending with 2010-05-10 . How can I iterate through all of those dates in PHP?
11 Answers
...
Show filename and line number in grep output
I am trying to search my rails directory using grep. I am looking for a specific word and I want to grep to print out the file name and line number.
...
Installing Google Protocol Buffers on mac
I would like to install the older version of Google Protocol Buffers (protobuf-2.4.1) on mac using Terminal command line. I tried with brew install protobuf , but the latest version 2.5.0 has been installed. Is it possible to install the older version from terminal.
...
ssh: The authenticity of host 'hostname' can't be established
...is error warning and it prompts to say "yes" or "no". This cause some trouble when running from scripts that automatically ssh to other machines.
...