web front-end project integrates both JSP and FreeMaker_u_Multi-view Parser Configuration

*In 2017, at the request of the company, responsible for research and development of intelligent analysis platform, using OLAP technology to analyze tax data from multiple dimensions, levels and cross-business domains, discover data characteristics, summarize tax laws, and support leadership decision-making. After nearly a year, it was finally ...

Added by xxxzom_biexxx on Wed, 08 Jul 2020 17:29:29 +0300

The back-end data loaded by the select component of jqWEUI is items

jqweui I don't know how many people have used it. I often use it to develop webapps Its select component is more often used, but this time I need to get the selected items data from the database instead of writing the page dead After thinking about it for a while, I finally came up with a method, which is also effecti ...

Added by EZbb on Tue, 07 Jul 2020 19:01:00 +0300

Chapter 7 Data Regulation: Cleanup, Conversion, Merge, Reshaping (3)

Chapter 7 Data Regulation: Cleanup, Conversion, Merge, Reshaping (3) Merge overlapping data Numpy.where() A vectorized if-else import pandas as pd;import numpy as np from pandas import Series,DataFrame a = Series([np.nan,2.5,np.nan,3.5,4.5,np.nan],index=['f','e','d','c','b','a']) Out[8]: f NaN e 2.5 d ...

Added by bsteimel on Tue, 07 Jul 2020 18:25:57 +0300

mybatis Series IV: Dynamic SQL

Dynamic SQL is a powerful feature of MyBatis.When using JDBC to manipulate data, concatenating conditions into SQL strings can be painful if there are too many query conditions. The usual solution is to write a lot of if-else conditional statements and strings to concatenate, and make sure you don't forget spaces or omit commas at the end of fi ...

Added by jaikar on Tue, 07 Jul 2020 18:08:09 +0300

Canvas Getting Started 6 requestAnimationFrame for Animation

The learning resources for this article come from "Graphics, Animation and Game Development of HTML5 Canvas Core Technologies" Try not to use setInterval and setTimeout to animate, but rather use the requestAnimationFrame() method to let the browser decide the frame rate on its own. Because browsers differ in the implementation of ...

Added by dawho9 on Tue, 07 Jul 2020 17:40:43 +0300

UILabel for Masonry Learning

First see the effect: Code: - (id)init { self = [super init]; if (!self) return nil; // text courtesy of http://baconipsum.com/ self.shortLabel = UILabel.new; self.shortLabel.numberOfLines = 1; self.shortLabel.textColor = [UIColor purpleColor]; self.shortLabel.lineBreakMode = NSLineBre ...

Added by vijdev on Mon, 06 Jul 2020 18:35:20 +0300

1050. Spiral Matrix (25) PAT Class B True Theme

1050. Spiral Matrix (25) This question requires that the given N positive integers be filled in a "spiral matrix" in a non-increasing order.The so-called "spiral matrix" refers to filling in a clockwise spiral direction starting from the first grid in the upper left corner.The size of the matrix is required to be ...

Added by nuttynibbles on Mon, 06 Jul 2020 18:12:00 +0300

WeChat Public Number Development (2) Acquire AccessToken, jsapi_ticket

Access Token Access Token plays an important role in the development of WeChat public platform interface, which is equivalent to the key to access various interfaces. Only by getting this key can we call other special interfaces. access_token is the globally unique ticket for the public number, which calls each interf ...

Added by bschwarz on Sat, 04 Jul 2020 19:15:58 +0300

iOS Development Notes | custom label with inner margin

iu preface UIScrollView has contentInset, but UILabel doesn't; Android does, iOS doesn't. Recently, I need to use a label with inner margin, so I encapsulated it with the code of my predecessors on the Internet. Originally, I wanted to create a category, but it failed. The code is as follows, inherited from UILabel: . h file: #impo ...

Added by Goofan on Sat, 04 Jul 2020 19:08:54 +0300

Spring Boot Tutorial 4: Using Druid and Monitoring Configuration

Druid is the best database connection pool in the Java language and provides powerful monitoring and extension capabilities. After comparing Druid with HikariCP, although HikariCP has a higher performance than Druid, Druid includes many dimensions of statistical and analytical functions, which is why everyone chooses t ...

Added by cwarn23 on Sat, 04 Jul 2020 18:32:49 +0300