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File input 'accept' attribute - is it useful?
...ndicates that files of the specified type are accepted.
A string whose first character is a U+002E FULL STOP character (.)
Indicates that files with the specified file extension are accepted.
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Mozilla PDF.js：PDF在线预览 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...等待的过程中，IE进程消耗掉了CPU资源的50-60%。点击翻页操作，或者改变IE的窗口大小会触发viewer对pdf进行重新解析和渲染。有时把IE前端的某个挡住他的程序窗口（比如一个txt）移开也会导致重新渲染，但是并不是每次都会触发...
C语言结构体里的成员数组和指针 - c++1y / stl - 清泛IT社区，为创新赋能！
...);
printf("&i = %x\n", &pt->i); //因为操作符优先级，我没有写成&(pt->i)
printf("&c = %x\n", &pt->c);
printf("&p = %x\n", &pt->p);
return 0;
}复制代码
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OnInitUpdate、OnUpdate、OnDraw与OnPaint - C/C++ - 清泛网 - 专注C/C++及内核技术
...是一个比较抽想的概念，一般来说是不需要我们直接进行操作的。
当使用者通过视修改了数据时，应该调用GetDocument()->SetModifiedFlag(TRUE)通知文档数据已经被更新，这样在关闭文档时会自动询问用户是否保存数据。
OnDraw()和...
What is the difference between a process and a thread?
...threads efficient).
Erlang uses the term "process" because it does not expose a shared-memory multiprogramming model. Calling them "threads" would imply that they have shared memory.
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What is a simple command line program or script to backup SQL server databases?
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To backup a single database from the command line, use osql or sqlcmd.
"C:\Program Files\Microsoft SQL Server\90\Tools\Binn\osql.exe"
-E -Q "BACKUP DATABASE mydatabase TO DISK='C:\tmp\db.bak' WITH FORMAT"
You'll also want to read the documentation on BACKUP and RESTORE an...
Exif manipulation library for python [closed]
... the record: pyexiv2 seems to be the best-maintained of them all, and the most complete (including writing EXIF tags back to the file).
– rbp
Oct 25 '10 at 22:15
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Super slow lag/delay on initial keyboard animation of UITextField
...otic hacks to get around this problem, try this: stop the debug session, close the app from multitasking, unplug your device from the computer and run the app normally by tapping its icon. I have seen at least two cases in which the delay only occurs while the device is plugged in.
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How to use pip with Python 3.x alongside Python 2.x
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There's no Python 2 pip, that depends on the OS you're using. For example on Arch Linux pip --version states that's running on python 3.6 by default.
– Daniel Andrei Mincă
May 18 '17 at 9:12
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What is the difference between Python and IPython?
...project website:
IPython provides a rich toolkit to help you make the most out of using Python, with:
Powerful Python shells (terminal and Qt-based).
A web-based notebook with the same core features but support for code, text, mathematical expressions, inline plots and other rich media...