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How do I combine a background-image and CSS3 gradient on the same element?
...d post on why you don't need multiple browser prefixes, see http://codepen.io/thebabydino/full/pjxVWp/
Layer Stack
It should be noted that the first defined image will be topmost in the stack. In this case, the image is on TOP of the gradient.
For more information about background layering see ht...
How to create a new java.io.File in memory?
How can I create new File (from java.io ) in memory, not on the hard disk?
3 Answers
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Detect backspace in empty UITextField
... may work on iPhone > 3.1.3, but it's hacky and may break on future versions, etc. I think I found a cleaner, more stable solution for how to detect a delete keyboard key press on the iPhone/iOS.
– ma11hew28
Jul 9 '11 at 22:24
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force client disconnect from server with socket.io and nodejs
Is there any way to disconnect a client with SocketIO, and literally close the connection? So if someone is connected to my server, and I want to close the connection between them and my server, how would I go about doing that?
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Detect permission of camera in iOS
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Check the AVAuthorizationStatus and handle the cases properly.
NSString *mediaType = AVMediaTypeVideo;
AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:mediaType];
if(authStatus == AVAuthorizationStatusAuthorize...
Creating a ZIP Archive in Memory Using System.IO.Compression
...hStodola ZipArchive add checksum at the end of archive to determine corruption or changing (security reasons ) . So until closing archive or disposing it , checksum does not included in stream . I hope explain it clear !
– Amir
May 14 '16 at 10:01
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'Missing recommended icon file - The bundle does not contain an app icon for iPhone / iPod Touch of
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If you get an icon error when submitting an application from Xcode9, or if you cannot see app icon on your simulator as well as a device, just update your cocoapods to the latest version in your project. That issue is a bug in Xcode9 with cocoapods.
There's a new guideline ...
How to stop app that node.js express 'npm start'
... node.js app with express v4.x then start your app by npm start . My question is how to stop the app? Is there npm stop ?
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iPhone UITextField - Change placeholder text color
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Since the introduction of attributed strings in UIViews in iOS 6, it's possible to assign a color to the placeholder text like this:
if ([textField respondsToSelector:@selector(setAttributedPlaceholder:)]) {
UIColor *color = [UIColor blackCo...
UITextfield leftView/rightView padding on iOS7
The leftView and rightView views of an UITextField on iOS7 are really close to the textfield border.
27 Answers
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