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团建归来
苏州团建，自驾，30人左右，周四出发，周六下午回来。周经理安排的很妥当，自己就完全不用操心。完美。 民宿也不错，空间挺大，10个人狼人杀，七八个人德州，中间还有人可以打桌球。 中间还吃了日料~
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Lazy Log In Python
import logging def bad_call_with_problem(): try: logging.error("haha %d" % None) except: print("Raised an error.") raise print("-" * 10) def good_call_with_problem(): try: logging.error("haha %d", None) except: print("This will never be raised.") raise...
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Memory
时间从来不是治愈的良药，人才是。#甜蜜蜜#
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shell bomb
https://www.cyberciti.biz/faq/understanding-bash-fork-bomb/
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vim中自动补全的颜色调整
exec “hi PMenu “ . “ guifg=#” . a:fg . “ ctermfg=” . a:fg exec “hi PMenu” . “ guibg=#” . a:bg . “ ctermbg=” . a:bg exec “hi PMenu”...
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Unshare
https://man7.org/linux/man-pages/man1/unshare.1.html The unshare command creates new namespaces (as specified by the command-line options described below) and then executes the specified program. If program is not given, then “${SHELL}” is run...
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逃避
当问题不能逃避时，解决问题才是必要的。 如果能逃避的话，逃避多简单啊，逃避本身就是解决问题。
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Kafka Get Topic Offset
./bin/kafka-run-class.sh kafka.tools.GetOffsetShell –broker-list node1.kafka.es.ops.fraaws.tripws.com:9092 –topic cloud-harbor-registry
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Setuid
File modes The setuid and setgid bits are normally represented as the values 4 for setuid and 2 for setgid in the high-order octal digit of the file mode. For...
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Tcp Error Ack
如果 tcp 数据里面的 ack 是错误的，会发生什么呢？