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How to make a class conform to a protocol in Swift?
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Type 'CellDatasDataSource' does not conform to protocol 'NSObjectProtocol'
You have to make your class inherit from NSObject to conform to the NSObjectProtocol. Vanilla Swift classes do not. But many parts of UIKit expect NSObjects.
class CustomDataSource : NSObje...
Change case of a file on Windows?
... are a couple of files in our git-controlled codebase that I'd like to rename. Specifically, I just want to change the case of the file, so that sourceCode.java becomes SourceCode.java , for example. The catch: I'm on a Windows box, and the filesystem thinks those are the same file name.
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How to create directories recursively in ruby?
...t know if any of these directories exist and need to recursively create them if necessary.
How can one do this in ruby?
6 A...
Create module variables in Ruby
Is there any way to create a variable in a module in Ruby that would behave similar to a class variable? What I mean by this is that it would be able to be accessed without initializing an instance of the module, but it can be changed (unlike constants in modules).
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Set custom attribute using JavaScript
I am using The DynaTree (https://code.google.com/p/dynatree) but I am having some problems and hoping someone can help..
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Permanently adding a file path to sys.path in Python
I had a file called example_file.py , which I wanted to use from various other files, so I decided to add example_file.py to sys.path and import this file in another file to use the file. To do so, I ran the following in IPython.
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Java: int array initializes with nonzero elements
...nt array should be filled by zeros just after initialization. However, I am faced with a situation where it is not. Such a behavior occurs first in JDK 7u4 and also occurs in all later updates (I use 64-bit implementation). The following code throws exception:
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MFC的多国语言界面的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC的多国语言界面的实现目前很多软件都是要出口到多个国家,因此,为软件提供多国语言支持就成为了一个基本条件。为软件提供多国语言的支持的具体实现方法有很多,...目前很多软件都是要出口到多个国家,因此,为软件...
How do I sort an array of hashes by a value in the hash?
...ce variant for sort_by in Ruby 1.8. In practice, you can do:
sorted = sort_me.sort_by { |k| k["value"] }
puts sorted
As of Ruby 1.9+, .sort_by! is available for in-place sorting:
sort_me.sort_by! { |k| k["value"]}
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Line continuation for list comprehensions or generator expressions in python
How are you supposed to break up a very long list comprehension?
3 Answers
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