iOS set navigation bar transparency, modify title font color, font size

To make the contrast more obvious, give a background color and paste the key code self.view.backgroundColor = [UIColor yellowColor]; self.navigationItem.title = @"This is a Title"; The display is as shown in the figure: (this is the default of the system, without any modification) FC1A9D02-3E25-4E5B-AEE9-EEAA883629BE.png Set naviga ...

Posted on Tue, 05 May 2020 12:51:54 -0700 by thread_PHP

json basic + instance

Brothers, I only talk about the core Just to modify and delete //Modification myobj.ke[0]= "HTML Course" var i,x=""; for(i in myobj.ke) { x = x + i + " | " + myobj.ke[i] + "<br>" } document.getElementById("demo02").innerHTML = x; The core is coverage Other students who don't understand please look at 123 ha, you real ...

Posted on Tue, 05 May 2020 08:17:48 -0700 by oskom

CSS for horizontal and vertical centering

css picture horizontal center 1. Use margin: 0 auto to realize image horizontal center <div style="margin:0 auto; text-align: center;"></div> 2. Use text align: Center <div style="margin:0 auto; text-align: center;"> <p>Using margin: 0 auto to realize image horizontal center</p&g ...

Posted on Mon, 04 May 2020 15:42:35 -0700 by rulkster2

Android frame animation patching animation attribute animation

There are three types of animation in Android: 1 frame animation 2 animation of mending room 3 attribute animation 1 frame animation Look at the picture first The common method is xml resource file Create the animation.xml file under res/drawable <?xml version="1.0" encoding="utf-8"?> <animation-list xmlns:androi ...

Posted on Mon, 04 May 2020 14:44:55 -0700 by plasmagames

Animal.call(this, name); what exactly is it? (understand inheritance in JS)

Preface There is a problem in learning the knowledge points related to inheritance. What do you mean by Animal.call(this, name) in the following code? Why does it mean that it inherits the attribute of the parent Animal? function Animal(name) { this.name = name; } Animal.prototype.say = function() { return this.name; } function Cat(name ...

Posted on Mon, 04 May 2020 13:01:51 -0700 by Lirpa

Two ways for struts 2 to accept parameters (property driven and model driven)

definition: In struts 2, there are basically two ways to transfer data and action (control layer), one is property driven, the other is model driven. Attribute driven Attribute correspondence of basic data type: It is the name property of html tag on the Web page or the getter/setter corresponding to the property. When the page is submitted ...

Posted on Mon, 04 May 2020 10:34:45 -0700 by laurton

Mutual calling of components in vue and iterative generation of menu tree on the left side of general background management system

Because I started to learn to build a front-end project of a back-end management system using vue recently, I encountered some problems when generating menu tree on the left. Record it here Analysis: because the menu I set can make multi-level structure, it is not very convenient to directly use v-for traversal of vue. In this case, recursion i ...

Posted on Mon, 04 May 2020 06:00:08 -0700 by sergio-pro

7.6 hibernate mapping: one way many to many Association

hibernate mapping - one way many to many Association n-n association must use join table Similar to the 1-n mapping, the set element must be set to add a key sub element, and the foreign key referring to the CATEGORIES table in the CATEGORIES & ITMS table must be the CATEGORIES & ID. different from the 1-n association mapping, when th ...

Posted on Sun, 03 May 2020 14:04:04 -0700 by Waldir

PHP object oriented object value transfer method

1 <?php 2 // Declare a variable and assign a value 3 $a = 1; 4 // Assign a value of data type to a variable 5 $b = $a; 6 7 // modify $a Value 8 $a = 2; 9 // $a and $b Two independent memory space modifications, one of which is unaffected 10 echo $b; // 1 11 12 class Person 13 { 14 ...

Posted on Sun, 03 May 2020 07:37:18 -0700 by waverider303

The first half of object extension of ES6

Brief representation of attributes var foo = 'bar'; var baz = {foo}; console.log(baz); //{ foo: 'bar' } function f(x, y) { return {x, y}; } console.log(f(1, 2)); //{ x: 1, y: 2 } var o = { method() { return 'Hello'; } }; //Equivalent to var o = { method: function () { return 'Hello'; } }; consol ...

Posted on Sun, 03 May 2020 04:30:07 -0700 by mimintweak