SwitchHostshttps://github.com/oldj/SwitchHosts/releases 在线hosthttps://raw.hellogithub.com/hostshttps://github.com/ineo6/hosts/raw/master/nex

Prometheus collects and stores its metrics as time series data Components Prometheus server: scrapes and stores time series data 单文件 alert

installpip install selenium https://www.selenium.dev/documentation/webdriver/getting_started/install_drivers/ play12345678910111213141516171

iceberg

spark-sql –jars iceberg-spark-runtime-3.2_2.12-0.13.1.jar –conf spark.sql.extensions=org.apache.iceberg.spark.extensions.IcebergSparkSession

Delta Lake

https://docs.delta.io/1.2.1/delta-utility.html 入口sql1234spark-sql \--jars delta-core_2.12-1.2.1.jar,delta-storage-1.2.1.jar \--conf "sp

Hello Worldclickhouse start clickhouse-client 原理Share Nothing 架构 shard + replica； shard间隔离 Table -> Part(类似segment 目录隔离) -> 颗粒级别的列 (单

https://zeppelin.apache.org/download.html cp conf/zeppelin-site.xml.template conf/zeppelin-site.xmlvi conf/zeppelin-site.xml修改zeppelin-site.

读取文件为参数12ans_lines=`sed -n 1p ${verf_file}`ans_md5=`sed -n 2p ${verf_file}` if-else1234567891011121314# value equalif

fork: retry: Resource temporarily unavailable 12345678910111213141516/etc/security/limits.d/90-nproc.conf* soft nproc 65535h

Auto Hot Key快捷替换输入 123::pop::SendInput 13800138000return