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How to pretty print nested dictionaries?
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21 Answers
21
Active
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How to create NS_OPTIONS-style bitmask enumerations in Swift?
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261
Swift 3.0
Almost identical to Swift 2.0. OptionSetType was renamed to OptionSet and enums are...
List comprehension in Ruby
...lock.nil?
self.collect(&block).compact
end
end
some_array = [1, 2, 3, 4, 5, 6]
new_array = some_array.comprehend {|x| x * 3 if x % 2 == 0}
puts new_array
Prints:
6
12
18
I would probably just do it the way you did though.
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How to get the instance id from within an ec2 instance?
How can I find out the instance id of an ec2 instance from within the ec2 instance?
32 Answers
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Jasmine.js comparing arrays
... {
it('passes if arrays are equal', function() {
var arr = [1, 2, 3];
expect(arr).toEqual([1, 2, 3]);
});
});
Just for information:
toBe() versus toEqual(): toEqual() checks equivalence. toBe(), on the
other hand, makes sure that they're the exact same object.
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LINQ with groupby and count
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412
After calling GroupBy, you get a series of groups IEnumerable<Grouping>, where each Groupi...
What is Scala's yield?
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206
It is used in sequence comprehensions (like Python's list-comprehensions and generators, where...
cpuid汇编指令 - C/C++ - 清泛网 - 专注C/C++及内核技术
...86家族CPU都有这个指令我也不是很清楚，但在EFLAGS中的bit 21可以识别CPU是否支持CPUID指令，如下图：
图1
在8086和8088CPU中，FLAGS只有16位长，在80386CPU中，bit 21被保留未用，在支持CPUID指令的CPU中，这一位将为1。
2、CP...
setup.py examples?
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edited Jul 24 '16 at 9:22
sudip
15399 bronze badges
answered Jan 19 '11 at 20:54
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