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MS-DOS Batch file pause with enter key
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it does not work for me. works only from second launch when 'set' worked out / saved into the env.
– ses
May 6 '14 at 19:33
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What's the difference between Perl's backticks, system, and exec?
...se unlike system and execit is an operator.
Other ways
What is missing from the above is a way to execute a command asynchronously.
That means your perl script and your command run simultaneously.
This can be accomplished with open.
It allows you to read STDOUT/STDERR and write to STDIN of your ...
ListCtrl 重绘（Custom Draw） - C/C++ - 清泛网 - 专注C/C++及内核技术
...绘制的SubItem的Index值
l 正被绘制的Item的状态值（selected, grayed, 等等）
l Item的LPARAM值，就是你使用CListCtrl::SetItemData所设的那个值
上述所有的信息对你来说可能都很重要，这取决于你想实现什么效果，但最经常用到...
mysql - how many columns is too many?
...every column to be returned by every query is perfectly normal; that's why SELECT statement lets you explicitly name the columns you need.
As a general rule, your table structure should reflect your domain model; if you really do have 70 (100, what have you) attributes that belong to the same entit...
How to redirect to a 404 in Rails?
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Changed the selected answer to reflect the better practice. Thanks for the comments, guys!
– Yuval Karmi
Aug 14 '11 at 0:08
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What is the difference between NULL, '\0' and 0?
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@Nasko: From the C standard (draft,n1124): 'An integer character constant has type int', thus '\0' is actually of type int in C, and thus sizeof('\0') is 4 in my architecture (linux,32bit)
– David Rodríguez - d...
What is a message pump?
...tchMessage(&msg);
}
The GetMessage() Win32 API retrieves a message from Windows. Your program typically spends 99.9% of its time there, waiting for Windows to tell it something interesting happened. TranslateMessage() is a helper function that translates keyboard messages. DispatchMessage...
invalid context 0x0 under iOS 7.0 and system degradation
...oubt that's the issue. These invalid context 0x0 error messages are common and easy to reproduce in iOS 7. In fact, I can reproduce the error using storyboard with zero code. I drag a UITextField onto the canvas in IB, run the app, and double tap inside the text field.
In many situations, it's har...
how to put focus on TextBox when the form load?
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You could try:
MyTextBox.Select();
According to the documentation:
The Select method activates the control if the control's Selectable
style bit is set to true in ControlStyles, it is contained in another
control, and all its parent controls...
How to send only one UDP packet with netcat?
... you have a -c switch:
-c, --close close connection on EOF from stdin
Hence,
echo "hi" | nc -cu localhost 8000
should do the trick.
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