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Using the Gin framework to build a simple login background (Go language)

I. Introduction to Gin framework Framework has always been a sharp tool in agile development, which enables developers to quickly start and make appl...
6:46 3 December 2019

CAS 5.2.6 single point login user defined login verification and registration process in subsystem

Cas Server configuration Create a src/main/resources folder, find the file in the WEB-INF of cas, then modify the html file page, and add a new butto...
6:43 3 December 2019

20 regular expressions!

Verification basic date format: var reg = /^(\\d)(-|\\/)(\\d)\\2(\\d)$/; var r = fieldValue.match(reg); if (r==null) { alert('Date format error!...
6:40 3 December 2019

Three ways to implement python multithreading concurrent processing

Tag: python's spoof technique Optimal number of threads Ncpu = number of CPUs Ucpu = target CPU usage W/C = ratio of waiting time to calculation ...
5:53 3 December 2019

Spring Boot from entry to mastery - project construction

Spring Boot greatly simplifies the development of Java projects. If you want to develop a java project before, you need to install tomcat or other co...
5:48 3 December 2019

ASP.NET MVC -- custom Filter

Introduction: filter is the judgment before or after the controller method. This paper mainly introduces the custom filter 1. Filter classification ①...
5:40 3 December 2019

Causes and consequences of inode occupation

0. Problem description phenomenon After receiving the pin alarm, online Solr server / var partition inode is full. Influence /The var partition can no...
5:16 3 December 2019

Delete folders larger than specified size on Linux at regular intervals

Background: There is no room for the development environment to move around, mostly debug logs.So it's necessary to delete unnecessary logs when ...
5:15 3 December 2019

The implementation of registration function in Java Web

Implementation of registration function Experimental steps 1. Create the database mydb with the character code of utf-8. 2. Create a tb_user table in...
4:47 3 December 2019

MLlib basic data type

MLlib uses vectors as its localized storage type, which are mainly composed of two types: sparse and dense Code: import org.apache.spark.mllib.linalg...
4:44 3 December 2019

HashTable principle and source code analysis

The copyright of this article belongs to feng lyh and blog park. Welcome to reprint it, but please keep this statement and give the original link. Tha...
4:44 3 December 2019

Using echarts to draw multidimensional histogram

Preface Before that, I've shared with you how to use echarts to draw line graphs, double line graphs and histogram. Today, I'd like to shar...
4:08 3 December 2019

BufferedWriter.write() solution to writing Chinese characters

In the process of reading and writing files with BufferedReader and BufferedWriter, it is found that the Chinese characters in the written files will...
3:47 3 December 2019

[LeetCode] 378. Report on the end of the K-th small element in the ordered matrix (C + +)

Original address: https://leetcode-cn.com/problems/kth-smallest-element-in-a-sorted-matrix/submissions/ Title Description: Given an n x n matrix, the...
3:37 3 December 2019

web calculator based on Servlet+jsp

This time, in order to let us review the page Jump in the web, the boss gave us an unworthy task A big copy of the world's code depends on how yo...
3:30 3 December 2019

Java concurrent synchronized keyword and Lock interface

Welcome to read and communicate with us. Please leave a message if you have any questions. There are also open sources on GitHub JavaHouse , welcome ...
3:25 3 December 2019

vuex common practice code (synchronous + asynchronous)

vuex has been used in several projects of vue. To summarize, it is convenient to use Warehouse writing (store.js) 1. Introduction import Vue from &#03...
2:17 3 December 2019

dubbo source code analysis - service invocation process - Notes

Process flow chart of consumer call Calling process of consumer Consumer interface example: Process of receiving message at server NettyHandler. messa...
2:14 3 December 2019

C ා create Excel chart with multi-level classification labels

Compared with data, charts can more intuitively reflect the trend of data changes. In the data table, the same data value may represent different data...
2:09 3 December 2019

Use React setState like this to develop a direct call line!

(Long time no see, title skin, content or conscience)As we all know, React realizes the management of components by managing state, and setState is th...
1:42 3 December 2019

python multithreaded crawler + batch download Doo Doo Doo picture project (attention, continuous update)

python multithreaded crawler project () Crawling target: doodle (starting url: http://www.doutula.com/photo/list/?page=1) Crawling content: doutula pi...
0:52 3 December 2019

Using form create to dynamically generate vue components

Using form create to dynamically generate vue custom components and nested form components [github] | [description document] maker.create Build custo...
0:34 3 December 2019

springboot custom exception

Spring boot custom exception and exception handling In a web project, we may need to return different prompt codes to the front end. For example, 401 ...
0:23 3 December 2019

Group B of 2018 blue bridge provincial competition - global warming

There is such a question when I recently brush the Blue Bridge Cup: The main idea of the topic You have a picture of NxN pixels in a certain sea area...
0:16 3 December 2019

Html reads the pictures in the local folder and displays

One purpose Select the local folder on Html, automatically read all pictures under the folder and subfolder and display them on the page. Technical a...
0:16 3 December 2019

Centos7 haproxy dynamic and static separation

Results achieved:When the client accesses haproxy, when the request is static file content, the request is transferred to static server, when the req...
0:13 3 December 2019

Some pits of Object to Map

Here, three methods of Object mapping are summarized 1. Use reflection getDeclaredFields and getFields /** * Clean the data of the incoming object, re...
0:12 3 December 2019

The use of higher order functions

problem Byte skipping: the original function, such as fetchData, is an asynchronous function, trying to get some information from the server and retur...
0:00 3 December 2019

Neural network, integer to onehot vector experiment, found that Adam optimizer is not universal, sometimes RMSprop optimizer is better

Experiment: the 16 integers 0-15 are transformed into a onehot vector with length of 16 by MLP of two layers, and the accuracy is required to be 100%...
0:00 3 December 2019

Deployment and monitoring of MYSQL 5.6 replication from the library

Deployment and monitoring of MYSQL 5.6 replication from the library MYSQL 5.6 installation and deployment #1. Download the installation package wget h...
23:59 2 December 2019