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Is there Selected Tab Changed Event in the standard WPF Tab Control
...
I tied this in the handler to make it work:
void TabControl_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (e.Source is TabControl)
{
//do work when tab is changed
}
}
sh...
Efficient SQL test query or validation query that will work across all (or most) databases
...che Derby
– daiscog
Dec 6 '12 at 17:32
Assuming OP wants a Java answer: I believe that with Java 6 this answer is now ...
Cross field validation with Hibernate Validator (JSR 303)
...ation.Documented;
import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
import static java.lang.annotation.ElementType.TYPE;
import java.lang.annotation.Retention;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import java.lang.annotation.Target;
/**
* Validation annotation ...
How can I configure the font size for the tree item in the package explorer in Eclipse?
...rtDan Halbert
2,50022 gold badges2222 silver badges2323 bronze badges
...
How do I detect whether a Python variable is a function?
...obj)
If this is for Python 3.x but before 3.2, check if the object has a __call__ attribute. You can do this with:
hasattr(obj, '__call__')
The oft-suggested types.FunctionTypes approach is not correct because it fails to cover many cases that you would presumably want it to pass, like with bui...
Deprecated: mysql_connect()
...em.
The way with MySQLi would be like this:
<?php
$connection = mysqli_connect('localhost', 'username', 'password', 'database');
To run database queries is also simple and nearly identical with the old way:
<?php
// Old way
mysql_query('CREATE TEMPORARY TABLE `table`', $connection);
// Ne...
Debug Error \"pure virtual function call\" 原因解析 - 更多技术 - 清泛...
...
public:
virtual void virtualFunc(){}
};
Base* pB = new Derived;
__try
{
delete pB; // . . . b)
pB = NULL;
}
__except(EXCEPTION_EXECUTE_HANDLER){
}
pB->virtualFunc(); // . . . c)
在b)处析构Derived对象的时候，在其基类析构函数中a)处抛出了...
WSAAsyncSelect模型 - C/C++ - 清泛网 - 专注C/C++及内核技术
...在testDlg.h中定义
#include "winsock2.h"
#pragma comment(lib, "WS2_32")
#define WM_SOCKET (WM_USER+1)
同时在该文件中加入一个自定义消息处理函数
afx_msg LRESULT OnSocketMsg(WPARAM wParam,LPARAM lParam);
在testDlg.cpp中定义
ON_MESSAGE(WM_SOCKET,OnSocketMsg)
在...
Inserting a Link to a Webpage in an IPython Notebook
...ok.
Code in Markdown cell:
"https://www.tensorflow.org/images/colab_logo_32px.png" # link to website
<img src="tidyflow.png" /> # The image file (This path is the same folder as Notebook file)
## <font color = cyan> Some Colored Text in Notebook Markdown Cell </font> # co...
how to change any data type into a string in python
... you're writing your own class and you want str to work for you, add:
def __str__(self):
return "Some descriptive string"
print str(myObj) will call myObj.__str__().
repr is a similar method, which generally produces information on the class info. For most core library object, repr produces ...