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Why are C# 4 optional parameters defined on interface not enforced on implementing class?
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UPDATE: This question was the subject of my blog on May 12th 2011. Thanks for the great question!
Suppose you have an interface as you describe, and a hundred classes that implement it. Then you decide to make one of the parameters of one of the interface's methods optional. Are you su...
Open Graph namespace declaration: HTML with XMLNS or head prefix?
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Matt Beckman
4,90544 gold badges2626 silver badges4040 bronze badges
answered Nov 23 '11 at 11:55
Paul TarjanPaul Tar...
Why can I create a class named “var”?
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101
var is not a keyword according to this list.
it is a contextual keyword, so from the context t...
App Inventor 2 PersonalImageClassifier (PIC) 拓展：自行训练AI图像识别...
...结果的最低置信度阈值，低于此值的结果将被过滤。范围0.0-1.0。
InputSize 输入尺寸
获取模型要求的输入图像尺寸。通常为224x224或299x299像素。
IsModelLoaded 模型已加载
获取当前模型是否已成功加载的状态。
PersonalIma...
Jump to matching XML tags in Vim
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answered Feb 1 '09 at 15:31
sykorasykora
76.1k1111 gold badges5959 silver badges7070 bronze badges
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Iterating through a JSON object
.... Instead of:
json_raw= raw.readlines()
json_object = json.loads(json_raw[0])
you should really just do:
json_object = json.load(raw)
You shouldn't think of what you get as a "JSON object". What you have is a list. The list contains two dicts. The dicts contain various key/value pairs, all str...
C++ unordered_map using a custom class type as the key
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510
To be able to use std::unordered_map (or one of the other unordered associative containers) with...
How to pipe stdout while keeping it on screen ? (and not to a output file)
...y | foo
Reference: The Open Group Base Specifications Issue 7
IEEE Std 1003.1, 2013 Edition, §10.1:
/dev/tty
Associated with the process group of that process, if any. It is
useful for programs or shell procedures that wish to be sure of
writing messages to or reading data from the ...
Rollback a Git merge
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edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Jul 30 '12 at 13:32
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Remove all classes that begin with a certain string
...jQuery, the actual DOM element is at index zero, this should work
$('#a')[0].className = $('#a')[0].className.replace(/\bbg.*?\b/g, '');
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