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What format is this JPEG stream from my cheap Chinese IP webcam?

I\'ve got a cheap Chinese IP webcam that has a web interface showing live video. The video appears to be a sequence of jpeg images fed into the browser. If I point wget at the URL http://my-ip-camera/[详细]

2023-04-02 21:23 分类：问答
What is the barebones C++ code necessary to put a jpeg into MySQL table?

I have created a MySQL table where one of the columns stores a BLOB type. (The Internet told me BLOB is the correct data type for images.)[详细]

2023-04-02 20:35 分类：问答
How to identify a NSData's image format?

If I get a NSData which I know it\'s a image\'s data.But I don\'t know what format it is. So how can I i开发者_开发技巧dentify which image format is it?Jpeg or PNG?[详细]

2023-04-02 03:58 分类：问答
Android: Download JPG if statement

I have an Android app that downloads a JPG from a server every so often, and I开发者_如何转开发 need to be able to display a \"Down for Maintenance\" image whenever a certain file is present on the in[详细]

2023-04-02 00:58 分类：问答
Transparency with JPEGs

JPEGs are smaller in size than PNGs. So, I thought that if I can make a specific region in a JPEG-file transparent, with some code, maybe I can save some bytes.[详细]

2023-04-01 09:01 分类：问答
iOS Retina Display: Does "@2x" support jpeg as well as png?

Can someone please confirm/deny whether the iPhone retina display suppo开发者_开发百科rts the \"@2x\" filename scheme for jpeg as well as png?[详细]

2023-04-01 05:34 分类：问答
sorl-thumbnail: Preserve "progressiveness" of JPEG files

Most of all JPEG files uploaded to my sites a开发者_如何学运维re saved in progressive format, but no thumbnail generated by sorl-thumbnail is generated as progressive when the original image is. This[详细]

2023-03-31 13:28 分类：问答
problem sending bytes through an AS3 Socket to my FTP site

I have some as3 code which successfully opens 2 socket connections to my FTP server. One for commands and one for data. I am using the STOR command to create a file on the FTP server and then sending[详细]

2023-03-30 22:57 分类：问答
What format is person's ImageData(CFDataRef) in AddressBook?(Jpeg or PNG)?Or how to determine?

From AddressBook\'s API ABPersonCopyImageData I can get a CFDateRef which is toll-free bridge to NSData. And I want to write this data开发者_StackOverflow社区 to file, but what file extension should I[详细]

2023-03-30 17:12 分类：问答
Is it possible to create a JPG from a Control?

Lets sa开发者_如何学Cy I have a custom control (child of System.Windows.Forms.UserControl) such as a graph. Is there a way I can take the drawing I did on the control and just export the current graph[详细]

2023-03-29 21:40 分类：问答