Android learning essay (16) --- Analysis of Excel table

Recently completed a small Demo of curriculum, and the code has been uploaded to GitHub The completion mainly depends on the jar package tool jxl.jar Sample Excel file: Reading and analysis of Excel file public static void readXLS(final File file, Context context) { final StringBuilder sb = new Strin ...

Posted by mezise on Mon, 06 Apr 2020 09:14:34 -0700

Analysis of kafka partition failure

No matter which partition mode is adopted before, it cannot be partitioned The producer partition's divider partition selection determines which partition to send messages to when multiple partitions exist sarama has multiple dividers: sarama.NewManualPartitioner() //Returns a manually selected partition divider, that is, to get the 'partition' ...

Posted by 1veedo on Mon, 06 Apr 2020 07:17:02 -0700

email of Go Language Library Series

Guide reading Hello, I'm pingye. Today I'd like to introduce a Go language library email for sending emails. At present, the star is 1.3k, which is very easy to use. Speed up Preparation Initialize project go get github.com/jordan-wright/email Project structure of this example . ├── go.mod ├── go.sum └── main.go To start the SMTP service of e ...

Posted by Ayon on Sun, 05 Apr 2020 22:05:15 -0700

Qt compilation of map comprehensive application 3 - regional map of provinces and cities

I. Preface The provincial and municipal area map can also be called the provincial and municipal outline map, which is to turn the border area of each province and urban area into an outline display. It is only a general outline, basically consistent with the real map. After all, it is piled up one by one, which may have a very small error. Whe ...

Posted by monkeynote on Sun, 05 Apr 2020 20:35:00 -0700

Data Source Management | Master-Slave Library Dynamic Routing, AOP Mode Read-Write Separation

Source code for this article: GitHub. Click here || GitEE. Click here 1. Application of Multiple Data Sources 1. Basic Description In relatively complex application services, configuring multiple data sources is a common phenomenon, such as: configuring a master-slave database to write data, and configuring a slave database to read data. This ...

Posted by dey.souvik007 on Sun, 05 Apr 2020 17:38:43 -0700

A collection of code examples of API calls for travel services: long distance bus query, train ticket query, etc

The following example code applies to www.apishop.net For the API under the website, you need to apply for the corresponding API service before using the interface call code examples mentioned in this article. Coach query Long distance bus time query and bus station query in major cities in China Vehicle Daquan : in ...

Posted by nogeekyet on Sun, 05 Apr 2020 14:57:20 -0700

Build Flask web app with Translate ToolKit 2.5.0 API

The Translate ToolKit 2.5.0 API is a document conversion tool for the translation industry. For example, convert json or html to PO file for translation. Here, we use the Flask web framework to implement the basic functions of the Translate ToolKit api. This is a written test of the previous few days. It requires three days to implement a webAp ...

Posted by phpyoungdeveloper on Sun, 05 Apr 2020 14:43:37 -0700

Bootstart select picker dropdown fuzzy query

Recently, I have been using bootstrap to write a few blogs.... bootstrap selectpicker is a relatively simple component of a drop-down box in bootstrap. The effect is as follows: Attach the api link on the official website, http://silviomoreto.github.io/bootstrap-select/ (there seems to be something wrong with the offic ...

Posted by surreal5335 on Sun, 05 Apr 2020 13:09:49 -0700

Using js to realize simple and interesting face recognition

In the previous stage, I wanted to play face recognition. I found an interesting plug-in package. Although it is not particularly powerful, it can still achieve results relatively. It is mainly simple. It can be used within 5 minutes. You can play it. Now I will share it with you This plug-in is jquery.facedetection F ...

Posted by webent on Sun, 05 Apr 2020 12:29:08 -0700

Combination of structural patterns

1 Overview Composite Pattern refers to the grouping of a class of objects with common abstractions into a tree structure to represent the part-whole relationship. 2 Combination mode Often we encounter objects with the same behavior and hierarchical structure between them.In this case, the combination mode can make the system highly cohesive and ...

Posted by dpsd on Sun, 05 Apr 2020 11:38:25 -0700