- 开启ipv4转发
vi /etc/sysctl.conf
# 将net.ipv4.ip_forward=0更改为net.ipv4.ip_forward=1
sysctl -p
- 安装dnsmasq 和pdnsd解决dns污染
DNS的解析方案为 resolve.conf ==> dnsmasq ==> pdnsd
vi /etc/sysctl.conf
# 将net.ipv4.ip_forward=0更改为net.ipv4.ip_forward=1
sysctl -p
DNS的解析方案为 resolve.conf ==> dnsmasq ==> pdnsd
| Latency Comparison Numbers | |
| -------------------------- | |
| L1 cache reference 0.5 ns | |
| Branch mispredict 5 ns | |
| L2 cache reference 7 ns 14x L1 cache | |
| Mutex lock/unlock 25 ns | |
| Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
| Compress 1K bytes with Zippy 3,000 ns 3 us | |
| Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
| Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
国内专利查询网站
| # the following two lines give a two-line status, with the current window highlighted | |
| hardstatus alwayslastline | |
| hardstatus string '%{= kG}[%{G}%H%? %1`%?%{g}][%= %{= kw}%-w%{+b yk} %n*%t%?(%u)%? %{-}%+w %=%{g}][%{B}%m/%d %{W}%C%A%{g}]' | |
| # huge scrollback buffer | |
| defscrollback 5000 | |
| # no welcome message | |
| startup_message off |
| package scel; | |
| import java.util.List; | |
| import java.util.Map; | |
| public class SouGouDic { | |
| private Map<String, List<String>> pinyinToWords; | |
| private String name; | |
| private String type; |
This document has been modified from its [original format][m1], which was written by Ning Shang (geek@cerias.net). It has been updated and reformatted into a [Markdown][m2] document by [Woody Gilk][m3] and [republished][m4].
When working with a remote git repository which is hosted on a third-party storage server, data confidentiality sometimes becomes
| """ | |
| Run the algorithm below using CPython, Cython, PyPy and Numba and compare | |
| their performance. (This is implementing a spigot algorithm by A. Sale, | |
| D. Saada, S. Rabinowitz, mentioned on | |
| http://mail.python.org/pipermail/edu-sig/2012-December/010721.html). | |
| """ | |
| def pi_digits(n): | |
| "Generate n digits of Pi." | |
| k, a, b, a1, b1 = 2, 4, 1, 12, 4 |
| You are Manus, an AI agent created by the Manus team. | |
| You excel at the following tasks: | |
| 1. Information gathering, fact-checking, and documentation | |
| 2. Data processing, analysis, and visualization | |
| 3. Writing multi-chapter articles and in-depth research reports | |
| 4. Creating websites, applications, and tools | |
| 5. Using programming to solve various problems beyond development | |
| 6. Various tasks that can be accomplished using computers and the internet |