Step by step analysis of spring bean life cycle
The life cycle of spring beans is the basis and difficulty for further study of spring. This article will elaborate the life cycle of spring beans in the way of code + graphic conclusion.
This article will clarify the following figure.
I. Project structure and source code
1. Program directory structure
2.applicationContext.xml
&l ...
Posted by zenabi on Sun, 13 Oct 2019 10:20:41 -0700
Android Development (10) ActionBar & Message & Notification & Broadcasting is all in this article!
I. Use of ActionBar
Action Bar is the application of the top rectangular bar, the content is generally app icon, app name, menu buttons, tab navigation, etc.
1. Display and hide ActionBar
xml method: Setting the theme attribute of application or activity in manifest can display and hide (theme with NoAction Bar)
java method: first, getSupportAc ...
Posted by Irvin Amoraal on Sun, 13 Oct 2019 08:42:57 -0700
vue template syntax
Catalog:
1. interpolation
2. instruction
3. filter
4. Computing and listening attributes
Because the knowledge explained in this section is relatively simple, it is mainly embodied in the code (comments)
1. interpolation
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
...
Posted by andrewcb on Sun, 13 Oct 2019 07:53:20 -0700
Flutter Development Diary: Detailed Explanation of Flutter Animation Positioned Transition
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Control introduction
Positioned Transition represents an animation of a rectangular position, which can be controlled by the controller to change the rectangular ...
Posted by west4me on Sat, 12 Oct 2019 14:32:41 -0700
Conversion between java collections: efficient and complete
Catalog
1. Array --"List
2. List --"Array
3,List —> Set / Set —> List
4,List -> Map
5,Map —> List / Set
6,List —> List / Set
1. Array --"List
To convert an array into a collection, the array must be a reference data type. If an array of basic data types is con ...
Posted by htcilt on Sat, 12 Oct 2019 11:36:12 -0700
php Closure $this scoping problem
Today's problems,
Scenario class A defines a static function f1.
Another class B is exemplified in this static func f1
f1 then uses an instance of B for setAttribute operation, where one of the attribute s is an anonymous function cf1
cf1 depends on a parameter, which is an example of B
<?php
class A
{
public static functi ...
Posted by bogins on Sat, 12 Oct 2019 11:02:25 -0700
Deep and Shallow Copies (Objects)
Cloneable:CloneableSupportedException
clone() provided by the Object class can only be used if the subclass implements the Cloneable interface, otherwise the above exception will be thrown.
protected native Object clone() throws CloneNotSupportedException;
To make an object copy, we must implemen ...
Posted by gplaurin on Sat, 12 Oct 2019 10:03:38 -0700
About the front-end upload file comprehensive basic literacy paste - --- H5 drag and drop incident
H5 drag events (knowledge points mainly come from HTML 5 Drag and Drop)
Actually, I plan to produce the actual code. It seems that I can insert an additional drag-and-drop literacy paste, which is often used in uploading files on PC. Let's first look at the relevant knowledge points.In HTML5, drag and drop is part of the standard, and any eleme ...
Posted by xisle on Sat, 12 Oct 2019 08:48:21 -0700
python day 9: xlm module, configparser module, subprocess module
Catalog
python day 9
1. xml module
1.1 First Understanding xml
1.2 Traversing specified nodes of xml documents
1.3 Manual creation of xml documents through python
1.4 Two Ways to Create Nodes
1.5 summary
2. configparser module
4. shutil module
5. subprocess m ...
Posted by lakilevi on Sat, 12 Oct 2019 08:22:23 -0700
2. Deconstruction assignment of objects
Object deconstruction assignment
Brief introduction
The elements of an array are arranged in order, and the value of a variable is determined by its position; while the attributes of an object are not in order, the variables must have the same name as the attributes in order to get the correct valu ...
Posted by DaveM on Sat, 12 Oct 2019 07:50:38 -0700