A detailed description of the default behavior

This article mainly introduces the Python learning tips of the use of the dictionary of the default behavior of the relevant information, the text is described in very detailed, for everyone has a certain reference learning value, the need for friends below to see it together. This article is about Python using the dictionary of the default behavior of the relevant content, share it for everyone to refer to the study, below to see the detailed introduction: Typical code 1:from collections Import Defaultdict if name = = ' main ': data = defaultdict (int) data[0] + = 1 print (data) output 1:defaultdict (<type ' int&#

1. Python learning tips about using the default behavior of dictionaries

Introduction: This article mainly introduces the Python learning skills of the use of the dictionary of the default behavior of the relevant information, the text is described in very detailed, for everyone has a certain reference learning value, the need for friends below to see it together.

2.5 CSS custom code that must be known

Summary: When making a page, often encounter the need to customize some of the default behavior of some tags (such as: input placeholder, etc.), but these default settings of the CSS is generally more difficult to remember, so it is necessary to make a record of their own. Here are some of the CSS that I used to reset the default behavior.

3. HTML5 's Multimedia detailed introduction

Introduction: 1) properties of the video element: autoplay--If present, this property causes the browser to start playing the video as soon as possible, preload=none--the video before the user starts playing the video; preload=metadata-- The user can only load the video metadata before starting playback; preload=auto--requests the browser to download the entire video as soon as possible. The browser can ignore this request. This is the default behavior; controls--unless this property exists, no

4. HTML5 implementation of how to drag and drop images between two div elements

Summary: Call Preventdefault () to avoid browser default processing of data (the default behavior of the drop event is to open as a link) by Datatransfer.getdata (Text) method to get the data dragged, interested friends can refer to the next ha

5. Yii QuickStart (i)

Summary: YII pre-defined a series of core application components that provide functionality used in common WEB applications. For example, the request component is used to resolve user requests and provide information such as Url,cookie. By configuring the properties of these core components, we can modify the default behavior of Yii almost arbitrarily. ...

6. js block bubbles and Default events (default behavior)

Description: JS block bubbling and Default events (default behavior)

7. Angular Ngclick ways to prevent bubbles from using the default behavior

Brief: Angular Ngclick ways to prevent bubbles from using the default behavior

8. Block Event bubbling

Summary: JavaScript stops bubbling and blocks browser default behavior event compatibility function Myfn (e) {var evt = e? e:window.event;} js stop bubbling function myfn (e) {window.event? window.event.cancelBubble = True:e.stoppropagation (); } JS block ...

9. ThinkPHP3.0 Runtime File Branch Operation _php Tutorial

Introduction: ThinkPHP3.0 Runtime file Branch operation. Strip_runtime_space constants are removed from the tp3.0. So it doesn't work. Just looked at the source of TP, found that the removal of whitespace and comments in the code has become the default behavior, the developer is not controllable

PHP Framework YAF Learning notes-default behavior

Introduction: PHP Framework YAF Learning notes----default behavior YAF is a C language written PHP framework, in the form of PHP extension. is laruence (brother Bird)? Works Laruence is a member of the PHP development team, PECL developer. YAF, taint and other pecl extension authors. YAF related articles Http://www.laruence.com/tag/ya

"Related question and answer recommendation":

What is the default behavior of the Javascript-js event?

JavaScript-how to block the default behavior of this browser

JavaScript-when the browser logs on to the router, a window will pop up asking for login, what type of window is it?

JavaScript-to the body with AddEventListener prohibit touchmove, in the bubbling phase block, why prevent the page internal elements scrolling?

Javascript-jquery, listen to the form submission event, at this time can not block the default behavior, directly to do? Hope to get help from everyone