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Detect backspace in empty UITextField
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Swift 4:
Subclass UITextField:
// MyTextField.swift
import UIKit
protocol MyTextFieldDelegate: AnyObject {
func textFieldDidDelete()
}
class MyTextField: UITextField {
weak var myDelegate: MyTextFieldDelegate?
override func deleteBackward() {
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How can I start PostgreSQL server on Mac OS X?
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@Ramy Did the touch succeed? Check the existence and permissions of /usr/local/var/postgres and server.log. It should be rw for your userid.
– James Allman
Nov 2 '11 at 4:04
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How to “crop” a rectangular image into a square with CSS?
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Great answer. In my case, I had an anchor tag as container, I just had to add a display: block attribute, since the images were not showing initially.
– JCarlosR
Sep 24 at 6:23
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Use Font Awesome Icon in Placeholder
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Many thanks! scratching my head for quite a bit. thanks for detailing the solution!
– Moe Tsao
May 8 '17 at 4:54
add a comme...
How to increase font size in a plot in R?
... answered Jun 6 '12 at 2:28
Jeromy AnglimJeromy Anglim
29.4k2424 gold badges104104 silver badges162162 bronze badges
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How do I get git to default to ssh and not https for new repositories
...ore information about the SSH-HTTPS switch
"Why is Git always asking for my password?" - GitHub help page.
GitHub's switch to Smart HTTP - relevant StackOverflow question
Credential Caching for Wrist-Friendly Git Usage - GitHub blog post about HTTPS, and how to avoid re-entering your password
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Open multiple Eclipse workspaces on the Mac
...eper into the application package. (Although it did give me the error that my workspace was already open.)
– Z O.
Jan 24 '12 at 21:39
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How do I specify the exit code of a console application in .NET?
... test part of a larger application. I'd like to specify the "exit code" of my console application. How do I do this?
12 Ans...
How to create empty text file from a batch file?
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This echoes a newline to stdout, though... my answer doesn't.
– ephemient
Oct 17 '08 at 4:08
7
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C++: What is the size of an object of an empty class?
...as an integer). For example, if you place char x; int y; inside the class, my GCC clocks it at eight bytes (since the second int must be aligned in that implementation).
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