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Using `textField:shouldChangeCharactersInRange:`, how do I get the text including the current typed

...the accepted answer, the following should work in Swift 3: func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool { let newString = NSString(string: textField.text!).replacingCharacters(in: range, with: string) return...
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Does the 'mutable' keyword have any purpose other than allowing the variable to be modified by a con

...able of a class with the mutable keyword. As far as I can see it simply allows you to modify a variable in a const method: ...
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printf() formatting for hex

... but how about the hex: 0x43A66C31C68491C0 I have tried the following: __int64 int64 = 0x43A66C31C68491C0; printf_s("%#15X %d",int64,int64); But the output is 0XC68491C0, not 0x43A66C31C68491C0 – 123iamking May 7 '16 at 4:16 ...
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Change case of a file on Windows?

... of files in our git-controlled codebase that I'd like to rename. Specifically, I just want to change the case of the file, so that sourceCode.java becomes SourceCode.java , for example. The catch: I'm on a Windows box, and the filesystem thinks those are the same file name. ...
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How to fix getImageData() error The canvas has been tainted by cross-origin data?

...the remote server sets the following header appropriately: Access-Control-Allow-Origin "*" The Dropbox file chooser when using the "direct link" option is a great example of this. I use it on oddprints.com to hoover up images from the remote dropbox image url, into my canvas, and then submit the ...
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How do I trigger the success callback on a model.save()?

...is correctly posted to the server which handles the save, but the success callback is not fired. Do I need to send something back from the server ? ...
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E11000 duplicate key error index in mongodb mongoose

... null value. In other words, a sparse index is ok with multiple documents all having null values. sparse indexes From comments: Your error says that the key is named mydb.users.$email_1 which makes me suspect that you have an index on both users.email and users.local.email (The former being old an...
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Why do I want to avoid non-default constructors in fragments?

...ragment access data: Type value = getArguments().getType("key"); That's all. share | improve this answer | follow | ...
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How to use git with gnome-keyring integration

...iginal question) but I'm on Ubuntu. For git >= 2.11: sudo apt-get install libsecret-1-0 libsecret-1-dev cd /usr/share/doc/git/contrib/credential/libsecret sudo make git config --global credential.helper /usr/share/doc/git/contrib/credential/libsecret/git-credential-libsecret For git < 2.11...
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Should I use s and s inside my s?

...s point, I'd keep the <ul><li> elements, reason being that not all browsers support HTML5 tags yet. For example, I ran into an issue using the <header> tag - Chrome and FF worked like a charm, but Opera borked. Until all browsers support HTML completely, I'd stick them in, but re...