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ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网移动版 - 专注C++内核技术

...tialize方法前,需要手动释放所有的全局或者静态变量。 如何手动释放呢: 设置指针指向NULL 调用Release方法,注意是要调用智能指针的Release方法,而不是内部指针的,指针指针的Release方法,会调用内部指针的Relase,然后设...
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ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网 - 专注C/C++及内核技术

...tialize方法前,需要手动释放所有的全局或者静态变量。 如何手动释放呢: 设置指针指向NULL 调用Release方法,注意是要调用智能指针的Release方法,而不是内部指针的,指针指针的Release方法,会调用内部指针的Relase,然后设...
https://www.tsingfun.com/it/cp... 

ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术

...tialize方法前,需要手动释放所有的全局或者静态变量。 如何手动释放呢: 设置指针指向NULL 调用Release方法,注意是要调用智能指针的Release方法,而不是内部指针的,指针指针的Release方法,会调用内部指针的Relase,然后设...
https://www.tsingfun.com/it/cp... 

ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网 - 专注C/C++及内核技术

...tialize方法前,需要手动释放所有的全局或者静态变量。 如何手动释放呢: 设置指针指向NULL 调用Release方法,注意是要调用智能指针的Release方法,而不是内部指针的,指针指针的Release方法,会调用内部指针的Relase,然后设...
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Reading an Excel file in PHP [closed]

... you want to use the data in the excel file. If you want to import it into mysql, you could simply save it as a CSV formatted file and then use fgetcsv to parse it. share | improve this answer ...
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How can I temporarily disable a foreign key constraint in MySQL?

Is it possible to temporarily disable constraints in MySQL? 10 Answers 10 ...
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Detect if value is number in MySQL

Is there a way to detect if a value is a number in a MySQL query? Such as 15 Answers 1...
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How do I find a “gap” in running counter with SQL?

... In MySQL and PostgreSQL: SELECT id + 1 FROM mytable mo WHERE NOT EXISTS ( SELECT NULL FROM mytable mi WHERE mi.id = mo.id + 1 ) ORDER BY id LIMIT 1 In SQL Server: ...
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SQL query return data from multiple tables

...mply a color listing so that we know what colors we have in the car yard. mysql> create table colors(id int(3) not null auto_increment primary key, -> color varchar(15), paint varchar(10)); Query OK, 0 rows affected (0.01 sec) mysql> show columns from colors; +-------+-------------+-...
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Create boolean column in MySQL with false as default value?

I want to create a table in MySQL with a boolean column whose default value is false . But it's accepting NULL as default... ...