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Flatten nested dictionaries, compressing keys
...stance(dd, dict) else { prefix : dd }
Test:
In [2]: flatten_dict({'abc':123, 'hgf':{'gh':432, 'yu':433}, 'gfd':902, 'xzxzxz':{"432":{'0b0b0b':231}, "43234":1321}}, '.')
Out[2]:
{'abc': 123,
'gfd': 902,
'hgf.gh': 432,
'hgf.yu': 433,
'xzxzxz.432.0b0b0b': 231,
'xzxzxz.43234': 1321}
...
App Inventor 2 列表代码块 · App Inventor 2 中文网
...异常、报错。
如果给定列表是一个二维列表，如 [["abc","123"],["xyz","456"]] ，则返回的列表项也是一个列表对象，如 ["abc","123"]。
求对象在列表中的位置
返回指定对象在列表中的位置，从 1 开始，如果不在列...
Difference between filter and filter_by in SQLAlchemy
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Be careful when using .filter. a query like id=12345, query(users).filter(id == id) will not filter on users.id. Instead, it will evaluate id == id as True and return all users. You need to use .filter(users.id == id) (as demoed above). I made this mistake earlier today.
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Django-Admin: CharField as TextArea
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You will have to create a forms.ModelForm that will describe how you want the descr field to be...
Is it possible to have two partial classes in different assemblies represent the same class?
.../vapolia/Secret-feature-Xamarin-Forms-control-s-auto-registration-1fd6f1b0d98d4aabb2defa0eb14961fa
It uses at its core
Get the last item in an array
...e's how to get it with no effect on the original ARRAY
a = [1,2,5,6,1,874,98,"abc"];
a.length; //returns 8 elements
If you use pop(), it will modify your array
a.pop(); // will return "abc" AND REMOVES IT from the array
a.length; // returns 7
But you can use this so it has no effect on the o...
jQuery: How to capture the TAB keypress within a Textbox
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Jon EricksonJon Erickson
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How to convert wstring into string?
... answered Aug 22 '13 at 7:57
dk123dk123
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How to measure time taken by a function to execute
...returns the number of microseconds in the fractional (e.g. a value of 1000.123 is 1 second and 123 microseconds).
now() is monotonically increasing. This is important as Date.getTime() can possibly jump forward or even backward on subsequent calls. Notably, if the OS's system time is updated (e.g....
18月磨出AXON天机 曾学忠做高端机 能为中兴品牌扛旗吗？ - 资讯 - 清泛网 -...
...和设计的新旗舰，分为美国版和全球版。美国版售价449.98美元；全球版背面增添一块指纹识别模块，中国区定价3888元/2699元，将在中国、欧洲和亚太地区同步发售。
AXON不再只依赖于过去惯用的运营商渠道。在国内，AXON将在京...