Programmer Think

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1, Title 1.1 Title picture 1.2 Title Document #include <iostream> #include <ctime> using namespace std; //Define a type def that will be very useful when we implement our functions. typedef char* charPointer; //This type def will make cstring parameter passing by reference easy to debug //Example void foo(charPointer& x) ...

Kerberos authentication and Kafka integration under centos7 Version environment: (1)centos7.6 (2)kafka_2.12-0.10.2.2 (3)kerberos (4)flink-1.11.3-bin-scala_2.11 (5)jdk1.8 Note: where "b.kuxiao" is my hostname 1, kafka installation 1.1. Go to the official website to download kafka kafk ...

catalogue Normal execution of transactions Abandon transaction Compiled exception Runtime exception (I/O) Monitor} Watch (frequently asked in interview) redis monitoring test Normal execution succeeded!   Test multithreading to modify the value. Using watch can be used as redis optimistic lock operation Jedis Test: 1. Import cor ...

background I've been working on a lightweight deployment recently, which requires a message queue, but I feel kafka is relatively heavy, so I finally chose a relatively lightweight message queue "Redis Stream". I feel that the Java implementation on the Internet is not very good. After a period of exploration, I decided to write a co ...

Non zero basic accelerated Go language_ Basic chapter There is no need to install the Go environment here. It is recommended that you prepare the Goland + Go environment Here are the features of all languages. See what's different about Go Plastic subdivision In Go language, integer types can be subdivided into 10 types int ...

Linear table Definition of linear table: A finite sequence consisting of n(n ≥ 0) data elements (a1,a2,..., an).Record as: L=(a1,a2,..., an) ai-1 is the direct precursor of ai, and ai+1 is the direct successor of ai a1 - first element - it has no precursor an -- tail element - it has no successorTable length: the number of elements in a li ...

catalogue variable statement initialization General form Type derivation Omit var use Anonymous variable Scope global variable local variable constant All codes screenshot reference resources variable The Go language variable name consists of letters, numbers and underscores. The first character cannot be a number. Use the var ...

Preface In earlier learning, we learned that when a function passes a value to call a parameter, it uses a parameter. A parameter is a temporary copy of an argument, and changes to the parameter do not affect the values in the argument. Pass-by and Address Calls 👉 Click on me Today let's take a look at the argument stack of functi ...

Get binary stream file api writing The back end here is a project written using the Spring Boot framework I use the encapsulation here and then call the way: First, write a tool class: The name is downloadrequest js The code notes are as follows: import axios from "axios"; /** * api encapsulation for file download */ // Create an axios ob ...