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List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
... any modifications to new_list changes my_list everytime. Why is this, and how can I clone or copy the list to prevent it?
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Detect backspace in empty UITextField
... answered Dec 30 '09 at 23:10
AndrewAndrew
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How can I start PostgreSQL server on Mac OS X?
I had forgotten to run the initdb command.
33 Answers
33
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Zero-based month numbering [closed]
...nth numbering which is off by 1 -- JavaScript comes to mind, as does Java, and if memory serves, C is another. I have some questions:
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AngularJS: Service vs provider vs factory
What are the differences between a Service , Provider and Factory in AngularJS?
30 Answers
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When and why would you seal a class?
In C# and C++/CLI the keyword sealed (or NotInheritable in VB) is used to protect a class from any inheritance chance (the class will be non-inheritable). I know that one feature of object-oriented programming is inheritance and I feel that the use of sealed goes against this feature, it stop...
How to do what head, tail, more, less, sed do in Powershell? [closed]
On windows, using Powershell, what are the equivalent commands to linux's head , tail , more , less and sed ?
7 Answe...
Create a .txt file if doesn't exist, and if it does append a new line
I would like to create a .txt file and write to it, and if the file already exists I just want to append some more lines:
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JSF vs Facelets vs JSP [duplicate]
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JSF is a standardized Java framework for web UIs based on an MVC pattern
JSPs are a (much older) standard for generating web pages from templates - these can be used as the View in a JSF application, but also separately from JSF.
Facele...
How do you know when to use fold-left and when to use fold-right?
I'm aware that fold-left produces left-leaning trees and fold-right produces right-leaning trees, but when I reach for a fold, I sometimes find myself getting bogged down in headache-inducing thought trying to determine which kind of fold is appropriate. I usually end up unwinding the entire proble...