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/
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.)
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?
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
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.
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?
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
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
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
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
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