性能测试指南
BRAND AS P_BRAND,p.P_COLOR AS P_COLOR,p.P_TYPE AS P_TYPE,p.P_SIZE AS P_SIZE,p.P_CONTAINER AS P_CONTAINER FROM lineorder AS l INNER JOIN customer AS c ON c.C_CUSTKEY=l.LO_CUSTKEY INNER JOIN supplier AS s ON s.S_SUPPKEY=l.LO...
查询改写功能
物化视图创建语句如下：CREATE MATERIALIZED VIEW mv5 REFRESH NEXT now()+INTERVAL 1 day ENABLE QUERY REWRITE AS SELECT p.type,p.partkey,ps.suppkey FROM part AS p,partsupp AS ps WHERE p.partkey=ps.partkey;开启物化视图改写功能...
安装
cmake-DOPENSSL_ROOT_DIR=usr/local/Cellar/openssl/1.0.2p \-DOPENSSL_LIBRARIES=usr/local/Cellar/openssl/1.0.2p/lib \-DOPENSSL_INCLUDE_DIRS=usr/local/Cellar/openssl/1.0.2p/include/.make 编译选项 您可以根据具体的业务场景，设置...
双流JOIN语句
示例-HINT使用别名 SELECT/*+JOIN_STATE_TTL('o'='3d','p'='1d')*/o.rowtime,o.productid,o.orderid,o.units,p.name,p.unitprice FROM Orders AS o JOIN Products AS p ON o.productid=p.productid;HINT使用表名 SELECT/*+JOIN_STATE_TTL('...
CGProxy SDK使用示例
include"./src/cg_sxd_interface.h"#include<iostream>#include<thread>#include<chrono>#include<string>#include<winsock2.h>#pragma comment(lib,"WS2_32.lib")int Proxy_OnLog(void*cb_param,CG_Sxd_Log_Level level,const char*str){ ...
RDS SQL Server常用视图
SELECT p.spid,p.status,p.hostname,p.loginame,p.cpu,r.start_time,r.command,p.program_name,text FROM sys.dm_exec_requests AS r,master.dbo.sysprocesses AS p CROSS APPLY sys.dm_exec_sql_text(p.sql_handle)WHERE p.status NOT IN...
将DRDS模式数据库转换为AUTO模式数据库
CREATE DATABASE IF NOT EXISTS db_auto_exist as db_drds include=tb1;返回信息如下：+-+|RESULT|+-+|ALL SUCCESS|+-+1 row in set(8 min 12.05 sec)不做转换，仅查看源DRDS库db_drds的表tb1，tb2的表结构以及它们在AUTO模式下的表结构。...
基于 libmosquitto 集成安全 Agent 最佳实践
（1）在 aliot_security_example.c 源码中包含两个.h 文件，并定义一个全局变量：./*This example shows how to publish messages from outside of the Mosquitto network loop.*/include<mosquitto.h>#include<stdio.h>#include<stdlib.h>...
DescribeCenRouteMaps-查询路由策略
Include：模糊匹配，匹配条件中的 AS Path 与被匹配路由的 AS Path 有重叠即判定为匹配成功。Complete：精确匹配，匹配条件中的 AS Path 必须与被匹配路由的 AS Path 一致，才判定为匹配成功。Include Preference integer 要修改的路由的...
检索Doc
Python import dashvector import numpy as np client=dashvector.Client(api_key='YOUR_API_KEY',endpoint='YOUR_CLUSTER_ENDPOINT')collection=client.get(name='quickstart')根据向量进行相似性检索 Python ret=collection.query(vector...
云数据库RDS SQL Server版阻塞问题处理方法
locks AS tl INNER JOIN sys.databases db ON db.database_id=tl.resource_database_id INNER JOIN sys.dm_os_waiting_tasks AS wt ON tl.lock_owner_address=wt.resource_address INNER JOIN sys.partitions AS p ON p.hobt_id=tl....
DescDomain
p=MIGfMA0GCSqGSIb.DKIM公钥值 DkimAuthStatus String 1 DKIM授权状态 HostRecord String xxx 主机记录 DmarcHostRecord String_dmarc.xxx DMARC主机记录值 DmarcRecord String v=DMARC1;p=none;rua=mailto:dmarc_report@service.aliyun....
CTE
变量基于变量名和位置决定在每轮迭代中的赋值：WITH RECURSIVE cte AS(SELECT 1 AS n,1 AS p,-1 AS q UNION ALL SELECT n+1,q*2,p*2 FROM cte WHERE n)SELECT*FROM cte;如上所示，n、p、q变量在 non recursive part 赋值后，在recursive ...
RDS SQL Server出现死锁的处理方法
locks AS tl INNER JOIN sys.databases db ON db.database_id=tl.resource_database_id INNER JOIN sys.dm_os_waiting_tasks AS wt ON tl.lock_owner_address=wt.resource_address INNER JOIN sys.partitions AS p ON p.hobt_id=tl....
Vim教程
before_they are used.#Statically compiled modules(those listed by `httpd-l')do not need#to be loaded here.#Example:#LoadModule foo_module modules/mod_foo.so#Include conf.modules.d/*.conf 示例三：在配置文件 example.conf 中...
alicloud_cen_route_map
types=["VPC"]destination_cidr_blocks=[alicloud_vpc.example_sh.cidr_block]cidr_match_mode="Include"route_types=["System"]match_asns=["65501"]as_path_match_mode="Include"match_community_set=["65501:1"]community_match_mode=...
ModifyCenRouteMap-修改路由策略
说明 仅支持 AS SEQUENCE，不支持 AS SET、AS CONFED SEQUENCE 和 AS CONFED SET，即只能是 AS 号列表，不支持集合和子列表。integer 否 路由需匹配的 AS Path 列表。说明 仅支持 AS SEQUENCE，不支持 AS SET、AS CONFED SEQUENCE 和 AS ...
使用NVMe云盘多重挂载及Reservation
展开查看应用示例的源代码#define_GNU_SOURCE#include<assert.h>#include<errno.h>#include<fcntl.h>#include<linux/pr.h>#include<signal.h>#include<stdarg.h>#include<stdbool.h>#include<stdint.h>#include<stdio.h>#include<stdlib.h>...
使用SDK部署PyTorch模型推理
include<torch/script.h>#include<torch/serialize.h>#include<chrono>#include<iostream>#include<fstream>#include<memory>int benchmark(torch:jit:script:Module&module,std:vector<torch::jit::IValue>&inputs){/warmup 10-iter for...
初始化
} int main(){ aos_pool_t*p;oss_request_options_t*options;初始化全局变量，在程序生命周期内只需要调用一次。if(aos_http_io_initialize(NULL,0)!AOSE_OK){ return-1;}/*初始化内存池和options。aos_pool_create(&p,NULL);options=oss_...
CreateCenRouteMap-创建路由策略
说明 仅支持 AS SEQUENCE，不支持 AS SET、AS CONFED SEQUENCE 和 AS CONFED SET，即只能是 AS 号列表，不支持集合和子列表。long 否 路由需匹配的 AS Path 列表。最多支持输入 32 个 AS 号码。说明 仅支持 AS SEQUENCE，不支持 AS SET、AS...
代码风格
包含次序 包含头文件的次序如下：|次序|种类|-|:|1|C语言标准库头文件和工具链头文件|2|公用组件的头文件|3|本工程头文件|例如：#include<stdio.h>#include<pthread.h>#include<openssl/rsa.h>#include<aos/headers.h>#include"my_demo.h"4...
常见问题
sudo mkdir-p/usr/local/{share/main,bin,lib/node_modules,include/node} sudo chown-R$USER/usr/local/{share/main,bin,lib/node_modules,include/node} 如何解决在使用 AntCubeTool 时遇到的 Operation not permitted 报错？如果在 ...
基于 Paho 集成安全 Agent 最佳实践
并定义一个全局变量：.#include<stdio.h>#include<stdlib.h>#include<string.h>#include"MQTTAsync.h"./*接入IoT安全运营中心,包含下面两个文件,并定义一个全局会话变量*/include"sagent_defs.h"#include"session_mux.h"static channel_...
CREATE INDEX
示例 假设主表test的建表语句如下：CREATE TABLE test(p1 VARCHAR NOT NULL,p2 INTEGER NOT NULL,c1 BIGINT,c2 DOUBLE,c3 VARCHAR,c4 TIMESTAMP,c5 GEOMETRY(POINT),PRIMARY KEY(p1,p2))WITH(CONSISTENCY='strong',MUTABILITY='MUTABLE_...
查看选项
p，-password 指定访问OSS使用的AccessKey Secret，输入该选项时会提示用户从键盘输入AccessKey Secret，ossutil工具以从键盘读取的AccessKey Secret为准，并忽略通过其他方式配置的AccessKey Secret。loglevel 在当前工作目录下输出...
在RTOS环境中集成基础版SOC
void udp_input(struct pbuf*p,struct netif*inp){.LWIP_DEBUGF(UDP_DEBUG,("udp_input:received datagram of length%"U16_F"",p->tot_len));convert src and dest ports to host byte order*/src=ntohs(udphdr->src);dest=ntohs(udphdr->...
Linux开发环境集成SDK
具体代码内容如下（附 hello 代码片段）：#include<stdio.h>#include<stdlib.h>int main(int argc,char*argv){ printf("Hello World!\r");return(0);} makefile的编码内容如下：PROG_FILE:=hello.c mqtt_basic_demo.c PROG_OBJS:=$...
构建配置
install:#copy aaa.h bbb.h to aos_sdk/include-dest:"include"source:*.h#copy fff/ccc.h to aos_sdk/include/fff-dest:"include/fff"source:fff/*.h#copy drivers/libmcuhaas1000.a to aos_sdk/lib/libmcuhaas1000.a-dest:"lib"source:...
alicloud_actiontrail_trails
shadow_trails-(Optional)Whether to show shadow tracking.Default to false.include_organization_trail-(Optional,Available in 1.112+)Whether to show organization tracking.Default to false.status-(Optional)Filter the results ...
分析Nginx访问日志
select avg(Latency)as l,approx_percentile(Latency,0.5)as p50,approx_percentile(Latency,0.99)as p99,date_trunc('minute',time)as t group by t order by t desc limit 1440 流量急跌或暴涨告警 如果在网站运行过程中出现流量急跌或...
基于 libmosquitto 集成安全 Agent 最佳实践
（1）在 aliot_security_example.c 源码中包含两个.h 文件，并定义一个全局变量：./*This example shows how to publish messages from outside of the Mosquitto network loop.*/include<mosquitto.h>#include<stdio.h>#include<stdlib.h>...
配置YML参数
access_denied,authentication_failed,connection_denied,tampered_request,run_as_denied,run_as_granted 重要 7.x及8.x版本实例仅支持配置 xpack.security.audit.logfile.events.include 参数。默认Auditlog配置只会在审计日志中打印请求...
ALIYUN:CEN:CenRouteMap
示例 YAML 格式 ROSTemplateFormatVersion:'2015-09-01' Parameters:AsPathMatchMode:Description:"Match statements are used to match the AS paths.Valid values:\ \ Include:uses fuzzy match.If the AS path in the condition ...
Notice of Alibaba cloud payment system upgrade on ...
as-you-go services or change the configuration of each service.In rare cases,these operations may not be available.Try again after a few minutes.You cannot perform several operations on your account balance.These ...
基于 Paho 集成安全 Agent 最佳实践
并定义一个全局变量：.#include<stdio.h>#include<stdlib.h>#include<string.h>#include"MQTTAsync.h"./*接入IoT安全运营中心,包含下面两个文件,并定义一个全局会话变量*/include"sagent_defs.h"#include"session_mux.h"static channel_...
安装CPP动态库
p/usr/local/include/rocketmq/cp rocketmq-client-cpp/include/*/usr/local/include/rocketmq/install_name_tool-id"@rpath/librocketmq.dylib"/usr/local/lib/librocketmq.dylib Ubuntu 18.04 Ubuntu 18.04操作系统内核是Debian系统，...
安装CPP动态库
p/usr/local/include/rocketmq/cp rocketmq-client-cpp/include/*/usr/local/include/rocketmq/install_name_tool-id"@rpath/librocketmq.dylib"/usr/local/lib/librocketmq.dylib Ubuntu 18.04 Ubuntu 18.04操作系统内核是Debian系统，...
alicloud_hbr_ecs_backup_plan
the next backup task will not be triggered.startTime Backup start time,UNIX time seconds.interval ISO8601 time interval.E.g:PT1H means one hour apart.P1D means one day apart.disabled-(Optional)Whether to disable the backup...
Git LFS 使用注意事项
我们可以执行 git lfs migrate import，同时指定-include-ref 指定分支名以及指定-include 指定迁移File Pattern做为参数，进行：$git lfs migrate import-include-ref=refs/heads/test-include="*.bigfile"migrate:Sorting commits:.,done...
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