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When should Flask.g be used?
... that g will move from the request context to the app context in Flask 0.10, which made me confused about the intended use of g .
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正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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正则表达式30分钟入门教程
版本：v2.31 (2009-4-11) 作者：deerchao 转载请注明来源
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PHP code to remove everything but numbers
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281
Try this:
preg_replace('/[^0-9]/', '', '604-619-5135');
preg_replace uses PCREs which general...
Reload Flask app when template file changes
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Getting one value from a tuple
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edited Feb 2 at 12:20
Georgy
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answered ...
Android adding simple animations while setvisibility(view.Gone)
...view.animate().alpha(0.0f);
This fades it back in:
view.animate().alpha(1.0f);
This moves a View down by its height:
view.animate().translationY(view.getHeight());
This returns the View to its starting position after it has been moved somewhere else:
view.animate().translationY(0);
You ca...
Base64 Decoding in iOS 7+
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edited Jun 1 '18 at 12:08
Cœur
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How to add texture to fill colors in ggplot2
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edited Dec 27 '17 at 15:36
Claus Wilke
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Rails mapping array of hashes onto single hash
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163
You could compose Enumerable#reduce and Hash#merge to accomplish what you want.
input = [{"te...
How to get all subsets of a set? (powerset)
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137
The Python itertools page has exactly a powerset recipe for this:
from itertools import chain...