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not needing to learn how to read the catalog or price list to make sure that the best selection can be made. These air-driven liquid pumps are designed to include most competitive ...

【Redis】五大常用数据类型

setrange k1n1v1：在k1下标为n1的位置 替换同等长度 的v1的值。1.3 setex/setnxsetex k1t1v1：设置k1在t1秒后过期；setnx k1v1：如果不存在...

Concurrent Program

t1的锁对象为n1，t2的锁对象为n2 new Thread(()-{ log.debug("begin");n1.a();}).start();new Thread(()-{ log.debug("begin");n1.a();}).start ( ) ; t2 . ...

BucherQX21

ALLWEILER AGNB25-200(NR.6021299) 197 U31D-W19-28/250tuenkers V 63.1 A10T12 5-44single seal for vice-couple R 1,1/4' 42.4mm EPDMALPHA LASER ALV100MAINA C_A...

HOPE

was founded in May, 2000, by key managers from a world-leading industrial monitor and computer company.Our CustomersSee a list of some of our custome...

网络爬虫

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FWIXPEED0QE001 参数 Datasheet PDF下载

Figure 5. Intel® LXT9785/LXT9785E 241-Ball BGA23 Assignments (Top View) 1 A B C D E F G H J K L M N P R T U A1B1C1D1E1F1G1H1J1K1L1M1N1P1R1T1U1 2 A2B2C2D2E2F2G2H2 J2 K2L2M2N2P2R2T2U2 3 A3B3C3D3E3F3G3H3 J3 K3L3M3N3P3R3T3U3

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参考：https://blog.csdn.net/m0_54634272/article/details/1245701131、 查看文件目录就是 list 的缩写，通过 ls 命令不仅可以查看...

c++11新特性

template double func(const T1& a, const T2& b){ auto c = a + b;return c;}其实直接return a+b；也是可以的，这里只是举个例子，同时点出au...

蓝桥杯入门训练&基础练习

n=int(input())temp=[1]for i in range(n):print(' '.join(list(map(str,temp))))n1=len(temp)t1=[1]j=0 while j+1<n1:t1.append(temp[j]+temp[j+1])j+=1#print('t1',t1)temp=t1 temp.append(1)...