Java barcode SDK example: command line, interface, network

Share this article ZXing and Dynamsoft Java Barcode SDK Use in three scenarios. Java Barcode application My test image contains various types of barcodes. Add ZXing and Dynamsoft Barcode Reader to Maven's profile: <repositories> <repository> <id>dbr</id> <url>https://download.dynams ...

Posted by chiprivers on Tue, 17 Mar 2020 10:55:42 -0700

Maven Series Part 5: details of private server

Environmental Science maven3.6.1 Development tool idea jdk1.8 Content of this article Introduction to private clothes Installing nexus private server in windows Installing nexus private server in linux Details of various warehouses in nexus private server Conf ...

Posted by gtal3x on Tue, 17 Mar 2020 00:49:09 -0700

FFMPEG development: collect camera data under Linux, record it into MP4 video and save it locally

1, Environment introduction Operating system introduction: ubuntu 18.04 FFMPEG version: 4.4.2 Camera: USB camera, virtual machine attached camera of the machine 2, Download and compile FFMPEG and X264 X264 download address: http://www.videolan.org/developers/x264.html FFMPEG download address: ...

Posted by itarun on Mon, 16 Mar 2020 21:57:27 -0700

Enumeration process (analysis of CreateToolhelp32Snapshot function)

I've written some code of enumeration process before. I'm reviewing the code I learned before these two days. I see the CreateToolhelp32Snapshot function. By the way, let's see its specific implementation. The process of enumerating process information seems easy, just some Windows API functions: Creat ...

Posted by cmw on Fri, 13 Mar 2020 00:09:04 -0700

Flink Summary - set Jvm parameters

jvm settings http://www.360doc.com/content/12/1023/16/9615799_243296263.shtml Heap setup -Xms: initial heap size -Xmx: maximum heap size -20: Newsize = n: set younger generation size -20: Newratio = n: set the ratio of young generation to old generation. For example, if it is 3, it means that t ...

Posted by rinkhals on Thu, 12 Mar 2020 04:03:51 -0700

Chapter 29: Swagger2 unit test Token authentication for spring security integration

Related knowledge Through the previous article, we implemented the use of JWT for interface authentication. When requesting an interface, we need to pass Token in the Header header, so that the backend can identify the requester and judge whether the interface can be requested. JWT interface authenti ...

Posted by Kieran Huggins on Tue, 10 Mar 2020 03:38:13 -0700

04 use docker container

Docker container docker container is another core concept. Container is a running instance of image. The difference is that the image is a static read-only file, the container has a writable layer required by the runtime, and the application process in the container is running.Virtual machine is to simulate a whole set of operating system. doc ...

Posted by plutoplanet on Sat, 07 Mar 2020 00:32:51 -0800

Spring boot integrates RabbitMQ: Routing

In this article, we'll implement another function - to subscribe to only a few messages. For example, we only need to write the serious error log information to the log file (stored on disk), but still output all the log information to the console Binding In the previous example, we have created the bin ...

Posted by user___ on Thu, 05 Mar 2020 19:17:15 -0800

flutter develops the effect of switching video playback by sliding up and down on the dummy first page

notes preceding the text of a book or following the title of an article - Keep a sword everywhere, starting from your little accumulation, where you reach, you will strive for perfection, that is, to toss through every day. Important news Mastery points can see a summary here Flutter goes from getting started to developing an APP UI Basics Vi ...

Posted by barrywood on Sun, 01 Mar 2020 09:03:36 -0800

centos7 system startup process

Premise: pc host, MBR architecture Step 1: post (power on system test) power on self test. There is a rom chip (CMOS) on the main board of the pc. after power up, the cpu looks for the raw, reads the instructions inside, and checks whether there is memory, hard disk, display device, etc. on the machine. There is a bios (basic input output sys ...

Posted by nc_brox on Fri, 28 Feb 2020 01:43:46 -0800