error. This usually indicates that the add (element already exists) or replace (element does not exist) stores data failure or that the element is already in a deletion sequence (deferred deletion).
Memcached::res_notfound
Element was not found (when through get or CAS operations).
Memcached::res_partial_read
Local network data read error.
Memcached::res_some_errors
An error occurred while the multiple key was being fetched.
Memcached::res_no_servers
The server pool is empty.
Memcache
MemcachedHave a
Statscommand, which allows you to view a number of status information for the memcached service.
use the following methods:The status information for the current memcached service is displayed by entering the Telnet hostname port number directly on the command line, connecting to the memcached server, and then entering the stats command when the connection succeeds.
For example in my native test is as follows:StatsSTAT PID 1552
STAT
there is no serialization, it is not saved to the cache, there is no record.Get_hits: Indicates the number of times the data was successfully obtained.Get_misses: Indicates the number of times the data failed to get.Evictions: The number of cached objects removed from the cache in order to free up space for new data items. For example, objects that are removed based on the LRU algorithm when the cache size is exceeded, as well as expired objects.Bytes_read:memcached The total number of bytes th
/**copyright (c) 2014, College of Computer Science, Yantai University*all rights reserved.* File name: Array statistics score* Wangzhong* Completion Date: 2014.11.23* Version Number: v1.0** Problem Description: Enter the number of students, and enter the student scores, the highest score, the lowest score, the average score, study number* Input Description: Number of students, score* Program output: Highest score, lowest score, average score, school number#include 13 weeks (Array
' a ' values (' Z ', ' C ', ' 2 '); INSERT into ' a ' VALUES (' z ', ' A ', ' 4 ');SQL statements--serial number, ranking select @rownum: [emailprotected]+1 xh,a.name,a.val,if (@lastVal = A.val, @rank, @rank: [emailprotected]) PM, @lastVal: =a.valfrom A, (select @rownum: =0, @rank: =0, @lastVal: =null) b ORDER by a.val;--statistics for Row select Type,name,sum (val) from a GROUP by a.type,a.name;--statistics for column select T.type,if (t.name= ' a ', t.sl,0) A,if (t.name= ' B ', t.sl,0) b,if (
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Comparison of calculation Force repairBefore fixingAfter the repair, the preparatory work1, dag repair version rx Polaris Core Third-party beta driver: http://pan.baidu.com/s/1pLbtzqb2, Atikmdag-patcher patch signature:
Ethereum will soon launch its first Casper Test network (Casper testnet). Ethereum developers are looking to use their experimental Casper Risk protocol code as a basis for a new test network.
At a core developer meeting today, Vitalik Buterin,
1. open/etc/sysconfig/grub, # vim/etc/sysconfig/grub. the content is as follows: GRUB_TIMEOUT = 5GRUB_DISTRIBUTOR = & quot; $ (sed & #39; s, release. * $, g & #39;/e
1. open/etc/sysconfig/grub,
# Vim/etc/sysconfig/grub
The content is as
1. Install NVIDIA graphics driver; then install Opencl/cuda
http://blog.csdn.net/canhui_wang/article/details/72540004
2. Configure the local environment for Ethereum Mining
sudo apt-gethttps://github.com/genoil/cpp-ethereum/blob/master/readme.md-y
Linux network Interface configuration file [/etc/sysconfig/network-scripts/ifcfg-eth0] here "0" is a unique number corresponding to a specified interface.
The code is as follows
Copy Code
Type=ethernet #网卡协议类型Device=eth0 #
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