Detailed introduction to default behaviors

This article describes how to use the default behavior of dictionaries in Python learning tips. This article is very detailed and has some reference and learning value for everyone, let's take a look. This article describes Python's usage of the dictionary's default behavior and shares it for your reference. The following describes the typical code 1: from & amp; nbsp; collections & amp; nbsp; import & amp; nbsp; defaultdict & amp; nbsp; & amp; nbsp... this article describes how to use the default behavior of dictionaries in Python learning tips. This article is very detailed and has some reference and learning value for everyone, let's take a look. This article describes Python's usage of the dictionary's default behavior and shares it for your reference. The following describes the typical code 1: from collections import defaultdict if name = 'main': data = defaultdict (int) data [0] + = 1 print (data) output 1: defaultdict (

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

Introduction: JavaScript is compatible with function myfn (e) {var evt = e? E: window. event;} stop the bubble function myfn (e) {window. event? Window. event. cancelBubble = true: e. stopPropagation ();} js blocking...

9. ThinkPHP3.0 runtime file branch operation _ PHP Tutorial

Introduction: The runtime file branch operation of ThinkPHP3.0. STRIP_RUNTIME_SPACE constant is removed in tp3.0. So it is useless. After reading the source code of tp just now, it is found that the removal of white space and comments in the code has become the default behavior, which is uncontrollable for developers.

10. PHP framework Yaf learning notes-default behavior

Brief introduction: PHP framework Yaf learning notes ---- the default behavior Yaf is a PHP framework written in C language, in the form of php Extensions. is it laruence )? The work laruence is a member of the PHP development team, PECL developers. Yaf, Taint and other Pecl extension author. Yaf article http://www.laruence.com/tag/ya

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The above is a detailed description of the default behavior. For more information, see other related articles in the first PHP community!