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micro:bit 微控制器教程 · App Inventor 2 中文网
...服务。
Q: 控制指令无效?
A: 检查指令格式是否正确,确保以换行符 “\n” 结尾。
扩展功能
1. 添加更多传感器
可以扩展读取其他传感器数据:
加速度计
磁力计
光传...
How to Rotate a UIImage 90 degrees?
... Make it more general: UIImage * origImg = [UIImage imageNamed:@"1.JPG"]; UIImage* fixed=[UIImage imageWithCGImage:[origImg CGImage] scale:1.0 orientation:origImg.imageOrientation];
– Cullen SUN
Aug 2 '13 at 10:23
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Embedding Base64 Images
...d line tool on Linux or Mac OS X: echo "data:image/jpeg;base64,"$(cat file.jpg | base64)
– cstroe
Sep 14 '18 at 4:42
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How to check if a string contains an element from a list in Python
...', '.xls')
'test.doc'.endswith(extensionsToCheck) # returns True
'test.jpg'.endswith(extensionsToCheck) # returns False
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How do I put my website's logo to be the icon image in browser tabs?
...t;head> section.
<link rel="icon" href="/your_path_to_image/favicon.jpg">
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Having Django serve downloadable files
...nse
filename = "/home/stackoverflow-addict/private-folder(not-porn)/image.jpg"
wrapper = FileWrapper(file(filename))
response = HttpResponse(wrapper, content_type='text/plain')
response['Content-Disposition'] = 'attachment; filename=%s' % os.path.basename(filename)
response['Content-Length'] = os.p...
汇编常用寄存器及指令基础总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...修改CS。
Inter汇编与AT&T汇编的区别
一、 大小写
INTEL格式的指令使用大写字母,而AT&T格式的使用小写字母。
INTEL :MOV EAX,EBX AT&T :movl %ebx,%eax
二、 操作数赋值方向
INTEL :MOV EAX,EBX AT&T :movl %ebx,%...
Read stream twice
...eredImage image = ImageIO.read(new URL("http://www.example.com/images/toto.jpg"));
Using ImageIO#read(java.net.URL) also allows you to use cache.
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ListCtrl 重绘(Custom Draw) - C/C++ - 清泛网 - 专注C/C++及内核技术
...我们只需要处理一个消息(NM_CUSTOMDRAW),就可以让Windows为你干活了,你就不用被逼去处理"重绘过程"中所有的脏活了。
这篇文章的焦点是如何在一个LISTCTRL控件上使用Custom Draw消息。究其原因,一部分是因为我已经在我的工...
Favicon dimensions? [duplicate]
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I believe the major browsers support GIF, JPG, and PNG as well as .ico now.
– ceejayoz
Feb 15 '10 at 18:51
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