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软考网络工程师笔记
T1=1.544 T476(踢死去喽) 12.SDH(同步数字系列)是光纤信道的复用标准,STM-1(oc-3)的数据速率是1.55.520Mb/s,STM-4(oc-12)的数据速率是622.080Mb/s。(四倍关系) 13.SDH三种接口: pos 155M E1 2...
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椭圆曲线质因数分解2
return u256(u64(p01)|(p12),p23);} u128 lo,hi;};struct Mont{ Mont(u128 n):mod(n){ inv=n;rep(i,0,6)inv*=2-n*inv;r2=-n%n;rep(i,0,4)if((r2)>=mod)r2-=mod;rep(i,0,5)r2=mul(r2,r2);} u128 ...
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达梦模式对象管理
SUBPARTITION P22 VALUES LESS THAN('2019-01-01'),SUBPARTITION P23 VALUES LESS THAN('2020-10-01'),SUBPARTITION P24 VALUES EQU OR LESS THAN(MAXVALUE)),PARTITION P2 VALUES('上海','南京...
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MySQL 分区表原理及数据备份转移实战(转)
mysql>ALTER TABLE t1 PARTITION BY RANGE(YEAR(atime))->(->PARTITION p0 VALUES LESS THAN(2016),->PARTITION p1 VALUES LESS THAN(2017),->PARTITION p2 VALUES LESS THAN(2018),->PARTITION...
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ZeroTier内网穿透部署
then echo '*ZeroTier appears to already be installed.' exit 0 fi rm-f/tmp/zt-gpg-key echo '-BEGIN PGP PUBLIC KEY BLOCK-'>/tmp/zt-gpg-key cat>>/tmp/zt-gpg-key...
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mysql分区表备份
partitions:p0,p1,p2,p3,p4,p5,p6,p7,p8,p9,p10,p11,p12,p13,p14,p15,p16,p17,p18,p19,p20,p21,p22,p23,p24,p25,p26,p27,p28,p29,p30,p31,p32,p33,p34,p35,p36 type:ALL possible_keys:key...
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史佳林
19 XTAL1 P0.0/AD0 P0.1/AD1 P0.2/AD2 P0.3/AD3 P0.4/AD4 P0.5/AD5 P0.6/AD6 P0.7/AD7 P2.0/A8 P2.1/A9 P2.2/A10 P2.3/A11 P2.4/A12 P2.5/A13 P2.6/A14 P2.7/A15 P3.0/RXD P3.1/TXD P3.2/INT0 P...
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AltiumDesigner快速添加引脚和修改引脚属性
P23 P21 R&T P2CCTX2?CA2*PVa{2 RxDT^O Pl LSCLK?ADb TxD.T31 Pl^\nSO:ADC6 XTAL2 PI S^K)SFATK7S XTALI PI 4/SS/ATK74 1^JQT33 rJ3;AJLK;INTI 问3 P12/.4DC2 EC1.-T0T34 Pl 1.-ADC]FWM hFCA 1/...
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超声波原理图
超声波原理图-12PIC3013PIC3024NLX2X21COEC1EC1PIEC101PIEC102COC3C330pFPISE101PISE102COSE1SE1SIP-2P1PISE201COSE2SE2PIS201PIS202PIS302NLP20P20NLP21P21NLP22P22NLP23P23NLFMFMCOR17R17PIR...
list_p23_b476_t1
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