摘要： python有一个python模块--hash_ring，即python中的一致性hash，使用起来也挺简单。可以参考下官方例子：https://pypi.python.org/pypi/hash_ring/ 1 Basic example of usage (for managing memcached instances): 2 3 memcache_servers = ['192.168.0.246:11212', 4 '192.168.0.247:11212', 5 '192.168.0.249:1121... 阅读全文

摘要： 调试程序发现起了一个子线程后，主线程上的sleep不生效了，看到这才明白...— Function: unsigned intsleep(unsigned int seconds)Thesleepfunction waits forsecondsor until a signal is delivered, whichever happens first.Ifsleepfunction returns because the requested interval is over, it returns a value of zero. If it returns because of deli 阅读全文

摘要： 1 #baidu_hotword.py 2 #get baidu hotword in news.baidu.com 3 import urllib2 4 import os 5 import re 6 7 def getHtml(url): 8 page = urllib2.urlopen(url) 9 html = page.read()10 page.close()11 return html12 13 def getHotWord(html):14 reg = ''15 hotwords = re.compile(reg).finda... 阅读全文

摘要： 1 #!/bin/python 2 # download_pic.py 3 # download picture 4 import os 5 import sys 6 from urllib.request import urlopen 7 8 url = sys.argv[1] 9 page = urlopen(url)10 #需要指定编码格式11 html = str(page.read(),encoding='utf8')12 page.close()13 14 #create directory15 if os.path.exists("./picture&q 阅读全文

摘要： int lua_next (lua_State *L, int index);Pops a key from the stack, and pushes a key-value pair from the table at the given index (the "next" pair after the given key). If there are no more elements in the table, thenlua_nextreturns 0 (and pushes nothing).A typical traversal looks like this: 阅读全文

摘要： / *ObjectPool.h */#include <iostream>#include <queue>#include <vector>template <typename T>class ObjectPool{public: ObjectPool(size_t chunk_size = kdefault_size); ~ObjectPool(); T& acquire_object(); void release_object(T& obj);protected: void allocate_chunk(); static 阅读全文

摘要： 编译的时候出现warning:Linker Tools Warning LNK4098defaultlib "library" conflicts with use of other libs; use /NODEFAULTLIB:library说明存在库冲突，在link选项中加参数:/VERBOSE:LIB 再编译则显示进度消息，仅指示所搜索的库。所显示的信息包括库搜索进程，同时还列出每个库和对象名（包括完整路径），正从库中解析的符号，以及引用该符号的对象的列表。可以看到确实依赖了debug版本的库。在link选项中加参数/NODEFAULTLIB:msvcrtd.lib 阅读全文

摘要： 原因:ICEidempotent operation 存在超时重试机制导致。解决方法：设置参数，Ice.Retry.Intervals=-1Ice.RetryIntervalsSynopsisIce.RetryIntervals=num[num...]DescriptionThis property defines the number of times an operation isautomatically retriedand the delay between each retry. For example, if the property is set to0100500, the 阅读全文

摘要： dll 源文件 add.cppView Code 1 typedef int (*pfunc)(int, int); 2 pfunc myadd; 3 4 void __stdcall add(pfunc add) 5 { 6 myadd = add; 7 } 8 9 int __stdcall true_add(int x, int y)10 {11 return myadd(x, y);12 }def文件 add.defView Code 1 EXPORTS2 3 add @14 true_add @2 生成库ad... 阅读全文

摘要： 定时执行：@echo off@set interval=0.5:againecho execute test.batCALL test.batecho sleep %interval%sping -n %interval% 127.1>nul echo restartgoto againpause同时启动多个exestart "" "a.exe" -argsstart "" "a.exe" -args... 阅读全文