Programmer Think

[BlockChain] go realize BlockChain 7: Network introduction So far, the prototype we have built has all the key features of blockchain: anonymous, secure and randomly generated addresses; Blockchain data storage; Workload proof system; Store transactions reliably. Although these features are indispensable, there are still deficiencies. It is t ...

Catalogue of series articles Chapter I gin preliminary understanding Chapter 2 setting API The third chapter uses MongoDB data persistence Note: The series of articles are learning notes corresponding to the original English books mentioned aboveRelated to their own practice code, including comments, on my gitee Welcome, starAll c ...

1. Prefix, infix, suffix expression 1.1 prefix expression (Polish expression) Prefix expression is also called polish. The operator of prefix expression is before the operand, Examples: (3 + 4) × The prefix expression corresponding to 5-6 is [- x+3456] Computer evaluation of prefix expressions Scan the expression from right to ...

choice question eg1 What is the output of the following code () char a=101; int sum=200; a+=27;sum+=a; printf("%d\n",sum); A: 327 B: 99 C: 328 D: 72 Answer analysis: Correct answer: D char is a signed type, accounting for 1 byte, that is, 8 bits, of which the highest bit is the sign bit, and the value range is - 128 ~ 127; ...

prefaceRecently, I'm preparing to sort out the foundation, prepare to change jobs after the year, and find a better owner. 😎 Record the process of learning and sorting. I hope it can help you change jobs in the next year. Let's consolidate the foundation together. At present, in a state-owned enterprise, I feel comfortable living from nine t ...

prefaceThe company's system, which has been done for half a year, is finally online the day before yesterday. It took too long to change the BUG in the later stage. Most of the bugs were caused by the asymmetric information between the front-end and the back-end. There were few logical errors and the user experience was a little poor. After all ...

1, Design mode 1. Six principles 1. [single principle]: a class or method is only responsible for one responsibility 2. [Richter substitution principle]: subclasses can extend the functions of the parent class, but cannot change the functions of the original parent class 3. [dependency inversion principle]: interface oriented programming (r ...

Redis master-slave replication brief introduction The read-write capability supported by a single redis is still limited. At this time, we can use multiple redis to improve the concurrent processing capability of redis. How these redis cooperate requires a certain architecture design. Here, we first analyze and implement the master / slave arch ...

preface This article is reproduced in PyTorch deep analysis: how to save and load PyTorch model? The saving and loading methods of PyTorch model are explained in detail.   catalogue preface 1. You need to master three important functions 2 state_dict 2.1 state_ Introduction to Dict 2.2 saving and loading state_dict (already trained, no ...

Analysis of one click download principle of P3 serial port circuit Pull up circuit triode b is the base, c is the collector and e is the emitter When used as a switch, NPN triode: when b is connected to low level, the circuit is cut off, and when b is connected to high level, the circuit is saturated and on; PNP triode: if b is connecte ...