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