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Get changes from master into branch in Git
In my repository I have a branch called aq which I'm working on.
13 Answers
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Sort NSArray of date strings or objects
...This is simpler than creating an NSSortDescriptor, and much simpler than writing your own comparison function. (NSDate objects know how to compare themselves to each other at least as efficiently as we could hope to accomplish with custom code.)
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Cannot ping AWS EC2 instance
... have an EC2 instance running in AWS. When I try to ping from my local box it is not available.
25 Answers
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Converting a list to a set changes element order
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A set is an unordered data structure, so it does not preserve the insertion order.
This depends on your requirements. If you have an normal list, and want to remove some set of elements while preserving the order of the list, you can do this with a list comprehensio...
Capitalize words in string [duplicate]
What is the best approach to capitalize words in a string?
21 Answers
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MVVM: Tutorial from start to finish?
I'm a C#/Windows Forms programmer with more than 5 years experience. I've been investigating WPF using the MVVM (Model-View-ViewModel) design pattern. I have searched the Internet for tutorials. I have even watched the entirety of Jason Dolinger's awesome video. Although I have found many, I have no...
How to check if a function exists on a SQL database
I need to find out if a function exists on a database, so that I can drop it and create it again. It should basically be something like the following code that I use for stored procedures:
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Can you explain the HttpURLConnection connection process?
...ervice. I know how to use HTTPURLConnection but I want to understand how it works. Basically, I want to know the following:
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How do I change the title of the “back” button on a Navigation Bar
Currently the left bar button default value is the title of the view that loaded the current one, in other words the view to be shown when the button is pressed (back button).
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Converting bool to text in C++
...s to "true" and 0 turns to "false"? I could just use an if statement, but it would be nice to know if there is a way to do that with the language or standard libraries. Plus, I'm a pedant. :)
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