r5 spotify

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Replaceinto and Insertintoonduplicatekeyupdate true _ MySQL

whether the auto_increment of the primary key has any impact. let's test it: mysql> insert into t1(b,c) select 'r4','r5'; Query OK, 1 row affected (0.05 sec) Records: 1 Duplicates: 0 Warnings: 0 mysql> select * from t1; +---+----+----+ | a | b | c | +---+----+----+ | 1 | c3 | c2 | | 2 | a | | | 3 | r2 | r3 | | 5 | r4 | r5 | +---+----+----+ 4 rows in set (0.00 sec) [] From this we can see that the new au

Replaceinto and Insertinto... onduplicatekeyupdate... _ MySQL

) Records: 1 Duplicates: 0 Warnings: 0 Mysql> insert into t1 (B, c) select 'R2 ', 'r3 '; Query OK, 1 row affected (0.08 sec) Records: 1 Duplicates: 0 Warnings: 0 Mysql> select * from t1; + --- + ---- + | A | B | c | + --- + ---- + | 1 | c3 | c2 | | 2 | 2 | 3 | | 3 | r2 | r3 | + --- + ---- + 3 rows in set (0.00 sec) 1.2 Start the replace operation Mysql> replace into t1 (a, B) VALUES (2, 'A '); Query OK, 2 rows affected (0.06 sec) Mysql> select * from t1; + --- + ---- + | A | B | c | + --- + --

ARM assembly Reverse IOS Combat _ios

: Foofunction: _foofunction: . Cfi_startproc lfunc_begin1: push {r4, R5, R7, LR} add R7, SP, #8 Sub sp, #8 Ldr R4, [R7, #8] movs R5, #66 strd R4, R5, [sp] bl _addfunction Add sp, #8 pop {r4 , R5, R7, PC} lfunc_end1: , we look at one line: 1.push {r4,

Replace into and Insert into... on duplicate key update... true

, 1 row affected (0.08 sec) records: 1 Duplicates: 0 Warnings: 0 mysql> select * from t1; + --- + ---- + | a | B | c | + --- + ---- + | 1 | c3 | c2 | 2 | 2 | 3 | 3 | r2 | r3 | + --- + ---- + 3 rows in set (0.00 sec) 1.2 start replace mysql> replace into t1 (a, B) VALUES (2, 'A'); Query OK, 2 rows affected (0.06 sec) mys Ql> select * from t1; + --- + ---- + | a | B | c | + --- + ---- + | 1 | c3 | c2 | 2 | a | 3 | r2 | r3 | + --- + ---- + 3 rows in set (0.00 sec) [] Here, replace. Here, the c fiel

The true difference between Mysql's replace into and insert into on duplicate key update _mysql

then test: mysql> INSERT INTO T1 (b,c) Select ' R4 ', ' R5 '; Query OK, 1 row affected (0.05 sec) records:1 duplicates:0 warnings:0 mysql> select * from T1; +---+----+----+ | a | b | +---+----+----+ | 1 | c3 | c2 | | 2 | A | | | 3 | R2 | R3 | | 5 | R4 | R5 | +---+----+----+ 4 rows in Set (0.00 sec) "From here we can see that the new self increase is not starting from 4, but starting from

Configuration of hot Backup protocol HSRP

Configuration on R5: r5>en R5#conf T R5 (config) #inter f0/0 R5 (config-if) #ip address 192.168.10.10 255.255.255.0 Configure Port IP addresses R5 (config-if) #no shut R5 (config-

Realboard running 2440 ucosii minor accidents

For more information about realboard, visit the official website of huizhi technology.Www.hugacy.com Download a 2440 ucosii version from the Internet, and run it on the realboard simulator. Suddenly, it's a zombie. I immediately followed it step by step with the debugger, and finally found the culprit.Code: BL readnandidMoV R6, #0LDR r0, = 0xec73CMP R5, R0Beq % F1LDR r0, = 0xec75CMP R5, R0Beq % F1

Dual-point bidirectional re-release control

Lab requirements and application environment:1. Execute two-way re-release on R5, and then execute two-way re-release on R32. analyze the causes and solutions of the second-tier route3. How can I achieve Load Balancing when R4 is required to go to 1.1.1.1?4. Ask R4 to go to the next hop of 11.11.11.11 first R3 and R5 for backup. How can this problem be solved? Experiment debugging process:R1 Configuration:

[Cisco] comprehensive experiment on DHCP, Rip, link aggregation, and ACL Access Control List

Tutorial topology: 650) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M00/47/BF/wKiom1P_THjC8klUAAFlyn6ovHE323.jpg "Title =" 1.png" alt = "wkiom1p_thjc8kluaaflyn6ovhe323.jpg"/> R3 is a gateway, R4 is an egress router, and DHCP is used. R5 is a vro on the Internet. Lab requirements: 1. Three PCs belong to three VLANs 2. R1 and R2 are used for Link aggregation. 3. The Gateway ends at R3 to implement inter-VLAN routing. 4. C1, C2, and C3 obtain

Linux Memory Management Learning 3--head. The establishment of the section page table in S

7th, start execution __arm920_setup, defined in arch/arm/mm/proc-arm920. S medium1 . Type __arm920_setup, #function2 __arm920_setup:3mov r0, #04MCR P15,0, R0, C7, C7 @ Invalidate I,d caches on V45MCR P15,0, R0, C7, C10,4@ Drain Write buffer on V46 7MCR P15,0, R0, C8, C7 @ invalidate i,d tlbs on v48 9 ADR R5, Arm920_crvalTen Ldmia R5, {R5, R6} OneMRC P15,0, R0, C

Start the INIT process in Linux-android before uploading

code is mostly position independent, so if you link the kernel* 0xc0008000, you call this AT _ Pa (0xc0008000 ).** See Linux/ARCH/ARM/tools/Mach-types for the complete list of machines* Numbers for R1.** We're re trying to keep crap to a minimum; do not add any machine specific* Crap here-that's what the Boot Loader (or in extreme, well justified* Circumstances, zimage) is.*/. Section ". Text. Head", "ax"Entry (stext)MSR cpsr_c, # psr_f_bit | psr_ I _bit | svc_mode @ ensure SVC Mode@ And irqs d

Neon command for yuv420 to rgb24 Conversion Efficiency

From the Internet found a neon command optimization yuv420 to rgb24 code, in the cortex-A8 architecture, clock speed 1g CPU for a frame of qcif (176x144) data test, in addition, compared with the popular algorithm written in C on the Internet, it is found that the speed of the former is more than 700 times that of the latter: the former uses 1000 ms for 112 cycles, and the latter uses 88645 Ms. The related code is as follows: Assembly Code Area |. text |, code, readonly; name this block of code

Out-of-order execution principle and rename solution for reverse dependency

, figure 1 sets a retention station for each command, while some processors use a retention station to control all pipelines. Reverse dependency Unordered execution can complete other tasks within the waiting time to improve efficiency, but it may also cause problems. For example, the following program. LD R1, [a]; then reads the memory variable A into the register r1 (loaded) Add R2, R1, R5; then R1 and

DHCP relay NAT allows clients to automatically obtain IP addresses and ping the extranet

First, the C1 and C2 VLAN are set on the switch R5 r5>en R5#conf T R5 (config) #vlan 10 R5 (Config-vlan) #vlan 20 R5 (Config-vlan) #inter FA1/1 R5 (config-if) #switchport Access V

Case Analysis and configuration of NAT (snat) translation for an enterprise

R3 R3 (config) # int ser 0/1 // interface connected to the county-level Router R3 (config-if) # ip add 192.168.5.1 255.255.255.0 R3 (config-if) # no shut R3 (config-if) # ip add 192.168.5.2 255.255.255.0 R3 (config-if) # int ser 0/0 // interface connected to internal Ethernet R3 (config-if) # ip add 192.168.3.1 255.255.255.0 R3 (config-if) # no shut R4 Router # config t Router (config) # line con 0 Router (config-line) # logg sy Router (config-line) # no exec-timeout Router (config

PHP concatenates strings... which is better...

Cough... some recently written code has CodeReview... but... I don't know which one can pass... PS: the PHP version is 5.4, so don't worry about [] what it is... this is array {code ...} cough... some recently written Code has Code Review... But... I don't know which one can pass... PS: PHP version 5.4, so don't worry about [] What is... This is array // 1$rule = ['pid=etfscreenerformsubmit=1etfpage=1cn=cnUScf=go=ta=er=er1ry=r1=r3=r5=tac=1erc=1ryc=1r

CCNP Route Environment troubleshooting Experiment

Lab requirements:Set up the topology, import the pre-configuration, and troubleshoot the following errors.1. R4 cannot learn the host entries mounted on R5;2. The OSPF neighbor between R6 and R7 cannot start;3. R4 cannot form OSPF neighbors with R2 and R3;4. R7 cannot form an IPsec neighbor with R8 or R9;5. The host on R5 cannot be pinged to the host on R9;6. Ensure that the packets sent from the host on R5

Extract the kernel from the Startup Process of ARM Linux

assembly file or a segment does not mean that the execution is complete first.Head. s to execute head-s3c2410.s, or pay attention to the link segment, apparently head. sIn a short time, another segment is started. Text.. TextADR r0, lc0Ldmia r0, {R1, R2, R3, R4, R5, R6, IP, SP}Subs r0, R0, R1 @ calculate the Delta offsetAnd our head-s3c2410.s?. Section ". Start", # alloc, # execinstr_ S3c2410_start:Bic R2, PC, # 0x1fAdd R3, R2, #0X4000 @ 16 KB is qui

MPLS principles and application implementation based on Cisco technology (I)

, etc ). multiple tags are shown in. the MTU is extended due to the introduction of tags. the label length is 4 bytes. According to CISCO's suggestion, the system MTU is set to 1524. If the label is encapsulated over Ethernet, the 24-byte label can carry the insertion of 6 labels, generally, the six labels are suitable for almost all applications. A topological environment composed of the following six routers is an experimental diagram of this part.R1 (IPS1) and R2 (Border1) are EBGP neighbors,

PHP Stitching String ... Which is better ...

Cough... Some of the code that I wrote recently is a Review ... But ... I don't know what kind of a ... The ps:php version is 5.4 so don't tangle [] what's up ... This is the array. 1$rule = [' pid=etfscreenerformsubmit=1etfpage=1cn=cnuscf=go=ta=er=er1 Ry=r1=r3=r5=tac=1erc=1ryc=1r5c=1 ', ' pid=etfscreenerformsubmit=1 Etfpage=1cn=cnuscf=go=ta=er=er2ry=r1=r3=r5=tac=1erc=1 ryc=1r5c=1 ', ' pid=etfscreenerforms

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