A short survey of log collection options and why you picked the wrong one. 😜
I'm Steve Coffman and I work at Ithaka. We do JStor (academic journals) and other stuff. How big is it?
| Number | what it means |
|---|---|
| 101,332,633 | unique visitors in 2017 |
| #!/bin/bash | |
| zypper addrepo https://download.opensuse.org/repositories/home:/so_it_team:/12.x/SLE_12_SP3/home:so_it_team:12.x.repo | |
| zypper addrepo https://download.opensuse.org/repositories/network:utilities/SLE_12_SP3/network:utilities.repo | |
| zypper refresh | |
| zypper install -y iperf tmux |
| Latency Comparison Numbers (~2012) | |
| ---------------------------------- | |
| 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 |
Snake is a fun game to make as it doesn't require a lot of code (less than 100 lines with all comments removed). This is a basic implementation of the snake game, but it's missing a few things intentionally and they're left as further exploration for the reader.
| 参考链接 | |
| ======== | |
| https://projectlombok.org/features/delombok | |
| https://awhitford.github.io/lombok.maven/lombok-maven-plugin/usage.html | |
| 为什么需要查看lombok生成的源码? | |
| =============================== | |
| 主要原因有二: |
| #!/bin/bash | |
| CLEAR='\033[0m' | |
| RED='\033[0;31m' | |
| function usage() { | |
| if [ -n "$1" ]; then | |
| echo -e "${RED}👉 $1${CLEAR}\n"; | |
| fi | |
| echo "Usage: $0 [-n number-of-people] [-s section-id] [-c cache-file]" |
| #!/bin/bash | |
| ## Fix OneDrive for Mac CPU usage | |
| ## | |
| ## Seems this is still a problem 5 years later after I created this little gist. | |
| ## I have long since stopped using OneDrive (luckily), but according to | |
| ## comments below, I have added the new path for OfficeFileCache for macOS | |
| ## Mojave (10.14) and Catalina (10.15). | |
| ## Run this on macOS Mojave (10.14) and Catalina (10.15) | |
| find ~/Library/Containers/ -type d -name OfficeFileCache -exec rm -r {} + |