The ability to use with open files is called context-managed1 #There are two ways to open a file:2 3f = open ('a.txt','R')4 5With open ('a.txt','R') as F6 7 implement use with close socket8 ImportContextlib9 ImportSocketTen One @contextlib. Contextmanage A defSock (ip,port): -Socket =Socket.socket () - Socket.bind ((ip,port)) theSocket.listen (5) - Try: - yieldSocket - finally: + socket.close () - + #Executes the sock function passed in the parameter, executes to the yield sock
A very friendly Redis Web interface management tool. Based on. NET implementation. Can be deployed to Linux via Mono, below is my deployment in CentOS 5.7 + Mono 2.10.8 + Jexus 5.0.1:Detailed Description: http://www.servicestack.net/mythz_blog/?p=381Project Address: Https://github.com/ServiceStack/ServiceStack.RedisWebServicesSource: Https://github.com/ServiceStack/ServiceStack.RedisWebServices/downloadsRed
)----------------------------------------------------------------------------------------------------------- ---------------------------------------------------About the Smaps file in Shared_clean, Shared_dirty, Private_clean, private_dirty the meaning of the fields of the detailed discussion, a netizen carried out in-depth exploration, and formed a blog, recommended reading:
Themeaning of the linux/proc/$pid/smaps
"/proc/$pid/smaps calculation of each field value "
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Zmalloc.h/* Zmalloc-total amount of allocated memory aware version of malloc () * * Copyright (c) 2009-2010, Salvatore Sanfilippo Zmalloc.c/* Zmalloc-total amount of allocated memory aware version of malloc () * * Copyright (c) 2009-2010, Salvatore Sanfilippo Copyright notice: This article Bo Master original articles, blogs, without consent may not be reproduced. The vision of Redis memory management code
Redis Data typesRedis supports five types of data:String (String)Hash (hashed)List (lists)Set (SET)Zset (sorted set: Ordered set)StringKey:nameValue:runoob128.127.0.0.1:6379> SET name "Runoob"Ok127.0.0.1:6379> GET Name"Runoob"127.0.0.1:6379> TYPE NameStringHash (that is, dictionary type)127.0.0.1:6379> hmset myhash field1 "Hello" Field2 "World"Ok127.0.0.1:6379> Hget Myhash field1"Hello"127.0.0.1:6379> Hget Myhash Field2"World"127.0.0.1:6379> TYPE Myha
First, overview:
Redis is defined at the beginning of the design as a long-running service process, so most system configuration parameters can take effect immediately without restarting the process. Even switching the current persistence mode from AOF to RDB does not require a reboot.In Redis, a set of server-management-related commands is provided, including t
Most people know that Redis is a software used on a cache server, similar to Memcache, can store a huge amount of data, used in large-volume Web sites, chat records storage, etc., but unlike memcache:1, cache data can be persisted, there is no cache time limit2. Support More data types: String, list, set, sorted set, hash (reference: http://www.cnblogs.com/xhan/archive/2011/02/02/1948891.html)3, similar to Memcache, the data will be in memory, so fast
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