原创 linux free 命令中的 buffer & free
Short answer: Cached is the size of the page cache. Buffers is the size of in-memory block I/O buffers. Cached matter
2020-06-17 03:40:36
原创 ZooKeeper多種方式安裝
原文出處:http://www.linuxidc.com/Linux/2014-11/109591.htm linuxidc 出品的文章，一直這麼簡單易懂。贊！ 1、單機模式安裝zookeeper 1.1、創建帳號zk [root
2020-06-17 03:40:36
原创 Python的垃圾回收機制深入分析
無聊的五一，蛋疼的五一。看書吧！ 轉載，原文鏈接：http://www.jb51.net/article/52229.htm 推薦閱讀:http://hbprotoss.github.io/posts/pythonla-ji-hui-sh
2020-02-22 02:23:43
原创 Dead simple example of using Multiprocessing Queue, Pool and Locking
Q: I tried to read the documentation at http://docs.python.org/dev/library/multiprocessing.html but I'm still strugg
2020-02-22 02:23:43
原创 Golang channels tutorial
原文鏈接：http://guzalexander.com/2013/12/06/golang-channels-tutorial.html golang channels 入門足矣 Golang has built-in instrum
2020-02-22 02:23:43
原创 coverage.py的覆蓋率統計原理
原文出處:http://blog.theerrorlog.com/how-coverage-py-produce-coverage-statistics.html 在Erlang下，用rebar可以在運行單元測試的同時調用cover模塊
2020-02-22 02:23:43
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原创 channel in Go's runtime
原文鏈接:http://studygolang.com/articles/1806?from=timeline&isappinstalled=0 那張圖是我看明白channel 實現的關鍵 下面是我之前困惑的一段代碼， func main
2020-02-22 02:23:43
原创 strategy pattern in Python
1.function based #!/usr/bin/env python import types def method_property(name): def getter(self): return g
2020-02-22 02:23:43
原创 Prototype pattern (Python recipe)
原文鏈接:http://code.activestate.com/recipes/86651-prototype-pattern/ http://dongweiming.github.io/python-pototype.html fro
2020-02-22 02:23:43
原创 Folder Structure for Single Page Applications
It makes me sad to see so many people still use old, archaic folder structure for their projects. It seems that while f
2020-02-22 02:23:43
原创 difference between Python shallow copy and deep copy
A: Shallow copies duplicate as little as possible. A shallow copy of a collection is a copy of the collection structu
2020-02-22 02:23:43
原创 zabbix mysql 遷移總結
之前的zabbix，item已經達到了27w，nvps達到了3.5K，高峯可以達到5K+，但是手裏還有200臺機器沒有添加，還有若干個模板沒有添加。面對如此情況，不得不對zabbix，做點啥了，zabbix的瓶頸在於mysql，首先的要點
2020-02-22 02:23:43
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原创 Class method differences in Python: bound, unbound and static
原文出處:http://stackoverflow.com/questions/114214/class-method-differences-in-python-bound-unbound-and-static What is th
2020-02-22 02:23:43
原创 Python 總結
1.如何實現自己的iter 2.如何實現自己的range 3.如何實現一個dict 4.如何實現一個list 5.如何實現類似ruby的open clas 6.如何實現print的重定向 7.兩個list軟換成一個dict 8.tuple
2020-02-22 02:23:43
原创 What Is the Difference Between a Block, a Proc, and a Lambda in Ruby
原文鏈接:http://awaxman11.github.io/blog/2013/08/05/what-is-the-difference-between-a-block/ 感覺寫的很清晰易懂，雖然不一定全面，但是我感覺還是蠻不錯的，轉
2020-02-22 02:23:43