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How to grey out a button?
I have a button defined as shown below. When I want to disable it I use my_btn.setEnabled(false) , but I would also like to grey it out. How can I do that?
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Why can't variable names start with numbers?
I was working with a new C++ developer a while back when he asked the question: "Why can't variable names start with numbers?"
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How can you automatically remove trailing whitespace in vim
I am getting 'trailing whitespace' errors trying to commit some files in git.
13 Answers
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How do I call ::std::make_shared on a class with only protected or private constructors?
I have this code that doesn't work, but I think the intent is clear:
16 Answers
16
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How do I get the last four characters from a string in C#?
Suppose I have a string:
19 Answers
19
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Java Byte Array to String to Byte Array
I'm trying to understand a byte[] to string, string representation of byte[] to byte[] conversion... I convert my byte[] to a string to send, I then expect my web service (written in python) to echo the data straight back to the client.
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A CSS selector to get last visible div
A tricky CSS selector question, don't know if it's even possible.
10 Answers
10
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Best practices for Storyboard login screen, handling clearing of data upon logout
I'm building an iOS app using a Storyboard. The root view controller is a Tab Bar Controller. I'm creating the login/logout process, and it's mostly working fine, but I've got a few issues. I need to know the BEST way to set all this up.
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How do I check if I'm running on Windows in Python? [duplicate]
I found the platform module but it says it returns 'Windows' and it's returning 'Microsoft' on my machine. I notice in another thread here on stackoverflow it returns 'Vista' sometimes.
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Arrays, heap and stack and value types
In the above code, is new int[100] generating the array on the heap? From what I've read on CLR via c#, the answer is yes. But what I can't understand, is what happens to the actual int's inside the array. As they are value types, I'd guess they'd have to be boxed, as I can, for example, pass myInte...
