Severity: Warning
Message: fopen(D:\wwwroot1\alipdf.com\api\../data/session\ds_session0d18mu1o4n9710bqj3saudkm2icc3qct): failed to open stream: Invalid argument
Filename: drivers/Session_files_driver.php
Line Number: 174
Backtrace:
File: D:\wwwroot1\alipdf.com\app\core\DS_Controller.php
Line: 21
Function: __construct
File: D:\wwwroot1\alipdf.com\app\core\DS_Controller.php
Line: 175
Function: __construct
File: D:\wwwroot1\alipdf.com\app\controllers\Search.php
Line: 10
Function: __construct
File: D:\wwwroot1\alipdf.com\index.php
Line: 316
Function: require_once
Severity: Warning
Message: session_start(): Failed to read session data: user (path: D:\wwwroot1\alipdf.com\api\../data/session)
Filename: Session/Session.php
Line Number: 143
Backtrace:
File: D:\wwwroot1\alipdf.com\app\core\DS_Controller.php
Line: 21
Function: __construct
File: D:\wwwroot1\alipdf.com\app\core\DS_Controller.php
Line: 175
Function: __construct
File: D:\wwwroot1\alipdf.com\app\controllers\Search.php
Line: 10
Function: __construct
File: D:\wwwroot1\alipdf.com\index.php
Line: 316
Function: require_once
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1前言 世界各国已经在逐步将编程教育纳入基础教育体系。让孩子学习编程，有助于全面提高孩子的创造力、专注力、动手能力和 逻辑思维能力。目前的少儿编程软件中，由美国麻省理工学院（MIT）多媒体实验室开发的Scratch广受欢迎。本书要介绍的则 ...
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