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Sort a list by multiple attributes?
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824
A key can be a function that returns a tuple:
s = sorted(s, key = lambda x: (x[1], x[2]))
Or ...
Xcode 4: create IPA file instead of .xcarchive
In Xcode 3.2.5 I use "Build And Archive" to create an IPA file. In Xcode 4 you can use "Product -> Archive" to archive an application in an .xcarchive bundle.
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How Big can a Python List Get?
...pyport.h to be ((size_t) -1)>>1
On a regular 32bit system, this is (4294967295 / 2) / 4 or 536870912.
Therefore the maximum size of a python list on a 32 bit system is 536,870,912 elements.
As long as the number of elements you have is equal or below this, all list functions should operat...
How best to determine if an argument is not sent to the JavaScript function
...Arg2 = 'default2';
case 3: optionalArg3 = 'default3';
case 4: break;
default: throw new Error('illegal argument count')
}
// do stuff
}
This has the downside that the programmer's intention is not (visually) obvious and uses 'magic numbers'; it is therefore possibly...
Correct way to find max in an Array in Swift
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Given:
let numbers = [1, 2, 3, 4, 5]
Swift 3:
numbers.min() // equals 1
numbers.max() // equals 5
Swift 2:
numbers.minElement() // equals 1
numbers.maxElement() // equals 5
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Parsing JSON array into java.util.List with Gson
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edited Jun 27 '17 at 9:48
answered Aug 31 '13 at 11:32
M...
iOS 5 Best Practice (Release/retain?)
... Xcode will write "glue code" to allow your ARC enabled apps to run on iOS 4, no modifications required. However, certain things wont work, and most noticeably many libraries you might wish to use will (sometimes) throw up innumerable errors and you will be unable to use them until the developers r...
Rails 4: assets not loading in production
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In rails 4 you need to make the changes below:
config.assets.compile = true
config.assets.precompile = ['*.js', '*.css', '*.css.erb']
This works with me. use following command to pre-compile assets
RAILS_ENV=production bundle ex...
When should I create a destructor?
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answered Feb 4 '11 at 15:20
Eric LippertEric Lippert
599k164164 gold badges11551155 silver badges20142014 bronze badges
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Web API Put Request generates an Http 405 Method Not Allowed error
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edited Jun 18 '15 at 14:47
Christopher Wirt
1,06099 silver badges2121 bronze badges
answered Oct 3 '...