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CreateWindow()动态创建一个EditBox - C/C++ - 清泛网 - 专注C/C++及内核技术
...框等。DWORD errno = GetLastError() 查看错误代码。
2.不可在类的构造函数中创建Edit，因为此时主窗口还没有被创建出来，导致出现“Cannot create a top-level child window”错误。
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How to make MySQL handle UTF-8 properly
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It didn't work in my case but I created file my.cf in /etc with given content anyway. I used create table my_name(field_name varchar(25) character set utf8);
– Marek Bar
Jul 9 '12 at 11:43
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How can I add reflection to a C++ application?
...trospect a C++ class for its name, contents (i.e. members and their types) etc. I'm talking native C++ here, not managed C++, which has reflection. I realise C++ supplies some limited information using RTTI. Which additional libraries (or other techniques) could supply this information?
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Socket 错误返回码详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...+++++++
常见SOCKET错误返回码（转）
WSAEINTR (10004) 被中斷的系統呼叫
當以阻攔式進行的WinSock函式被WSACancelBlockingCall()中斷的時候，這個阻攔式函式會得到WSAEINTR這個錯誤訊息。 讀者要注意的是，當你的程式有用WSACancelBlockingCal...
CGRidCtrl控件 学习心得 - C/C++ - 清泛网 - 专注C/C++及内核技术
CGRidCtrl控件 学习心得GridControl控件是一款非常优秀的网格控件，在VC平台上的用途非常广泛也非常灵活。可以将其看做上是在CListCtrl基础上的定制和延伸。目 录
1 引言... 1
1.1 目的... 1
1.2 参考资料... 1
2 Grid...
Add a new column to existing table in a migration
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All of the commands for making things (controllers, models, migrations etc) have been moved under the make: command.
php artisan migrate is still the same though.
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Rails raw SQL example
...s.rubyonrails.org/active_record_querying.html
and in associations, scopes, etc. You could probably construct the same SQL with ActiveRecord relational queries and can do cool things with ARel as Ernie mentions in http://erniemiller.org/2010/03/28/advanced-activerecord-3-queries-with-arel/. And, of c...
Why does Python code use len() function instead of a length method?
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len, str, etc. can be used with higher-order functions like map, reduce, and filter without the need to define a function or lambda just to call a method. Not everything revolves around OOP, even in Python.
– Evic...
What new capabilities do user-defined literals add to C++?
...eate our own types (i.e. classes), with potentially no overhead (inlining, etc.). We had the possibility to add operators to their types, to have them behave like similar built-in types, which enables C++ developers to use matrices and complex numbers as naturally as they would have if these have be...
iReport not starting using JRE 8
... Extract the iReport and in the extracted folder that contains the bin and etc folders throw in the jre. For example if you unpack twice the jre-7u67-windows-x64.tar.gz you end up with a folder named jre1.7.0_67. Put that folder in the iReport-5.6.0 directory:
and then go into the etc folder and ...