Qt open source work 37 network transfer server

1, Foreword Qt has been developed for 10 years, including many projects. Based on the rapid development of web and mobile Internet, a large number of application scenarios need a network transit server, which can realize mobile app or other client remote control devices. Now the Internet of things is developing very rapidly, which is the genera ...

Added by j_miguel_y on Sun, 21 Jun 2020 06:10:18 +0300

rrweb practical case and JS Download

I found this front-end artifact tool by accident. First, about rrweb: This tool can record the user's operation process on the Web page, turn it into serializable log data, and play it back. Programmers can use it to debug bugs remotely, and product managers can use it to collect and analyze user b ...

Added by c-o-d-e on Sat, 20 Jun 2020 05:58:46 +0300

Packaging Helm diagrams using Operator technology and deploying them to K8S clusters

Preface In " Packaging and deploying complex applications to the k8s cluster using helm "In this article, we package the application as a chart with helm, which simplifies the deployment process. However, while helm supports Seamless Upgrades for Stateless Applications on the line of Basic Install, replacing the mirrored version to ta ...

Added by kevin_newbie on Fri, 19 Jun 2020 19:26:51 +0300

Mock test using Moco framework

Moco framework: an open source project above github, which can simulate http, https and other protocols. github website: moco source code 1. Start the simulation server Download Moco_ URL of jar package: Moco jar package download Command to start the impersonation server: java -jar ./moco-runner-0.11. ...

Added by kavisiegel on Fri, 19 Jun 2020 07:39:04 +0300

Android Flutter hybrid development of high imitation large factory App

From the first part Summary of App and tips accumulation of flutter's 10 day high imitation large factory This time, we are full of dry goods. This article will outline the building of Android component architecture and how to mix the development of Flutter and Android (only the first page of the whole App is completed with native Android, and ...

Added by prashanth on Fri, 19 Jun 2020 06:12:56 +0300

Linux (programming): 37 -- OpenSSL Library (memory allocation)

1, OpenSSL memory allocation When users use memory, the error they are prone to make is memory leak. When users call memory allocation and release functions, it is more difficult to find memory leaks. OpenSSL provides built-in memory allocation / release functions. If the user calls OpenSSL's memor ...

Added by wafflestomper on Tue, 16 Jun 2020 06:52:37 +0300

[Source Code Learning--koa] Source Code Interpretation Analysis of Koa Middleware Core (koa-compose)

Recently, Koa has been used frequently for server-side development and has become fascinated with its onion model, which makes it great.And koa is mainly streamlined, there is not a lot of integration, everything needs to be loaded on demand, this is more to my taste. In contrast to express's middleware, express's middleware uses concatenation, ...

Added by darkke on Sun, 14 Jun 2020 19:21:23 +0300

Electronic builder packaging configuration + electronic Updater application update complete tutorial And step pit summary

Electronic packaging and application automatic update 1, Electronic builder 1. Installation and configuration of electronic builder 2. Problems and solutions in packaging of electronic builder 2, Electronic Updater 1, Electronic builder 1. Installation and configuration of electronic builder ...

Added by designerguy on Sat, 13 Jun 2020 12:43:52 +0300

Robot hand-eye calibration Ax=xB (eye to hand and eye in hand) and plane nine-point calibration

1. Background Calibration is an everlasting pain for robot developers.Although the method was used decades ago, everyone who wants to use the camera has to go through a painful pit, without easily getting the good bag. In the application of robot vision, hand-eye calibration is a very basic and critic ...

Added by Joeker on Fri, 12 Jun 2020 05:02:44 +0300

Analysis and interpretation of the most easy to understand HashMap source code

The article has been included in Github.com/niumoo/JavaNotes , and Java programmers need to master the core knowledge. Welcome to Star and advice. Welcome to my official account , articles are updated weekly. As one of the most commonly used collection classes, HashMap needs to be understood in a simple way. This article will go deep into the ...

Added by mediabob on Thu, 11 Jun 2020 06:09:09 +0300