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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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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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Get changes from master into branch in Git
In my repository I have a branch called aq which I'm working on.
13 Answers
13
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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...
What is the _snowman param in Ruby on Rails 3 forms for?
... form_tag or form_for helpers there is a hidden field named _snowman with the value of ☃ ( Unicode \x9731) showing up.
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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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Capitalize words in string [duplicate]
What is the best approach to capitalize words in a string?
21 Answers
21
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Git push requires username and password
I cloned a Git repository from my GitHub account to my PC.
24 Answers
24
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Convert Python dict into a dataframe
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The error here, is since calling the DataFrame constructor with scalar values (where it expects values to be a list/dict/... i.e. have multiple columns):
pd.DataFrame(d)
ValueError: If using all scalar values, you must must pass an index
You could take the items from the dictionary...
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...