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xtree(1796): warning C4800: “int”: 将值强制为布尔值“true”或“false...
...e\xtree(1775): 参见对正在编译的函数 模板 实例化“std::pair<_Ty1,_Ty2> std::_Tree<_Traits>::_Insert_nohint<std::pair<const _Kty,_Ty>&,_Nodety>(bool,_Valty,_Nodety)”的引用
1> with
1> [
1> _Ty1=std::_Tree_iterator<std::_Tree_val<std::_Tree_simple_t...
Calling a base class's classmethod in Python
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If you're using a new-style class (i.e. derives from object in Python 2, or always in Python 3), you can do it with super() like this:
super(Derived, cls).do(a)
This is how you would invoke the code in the base class's ver...
Best way to check if a URL is valid
I want to use PHP to check, if string stored in $myoutput variable contains a valid link syntax or is it just a normal text. The function or solution, that I'm looking for, should recognize all links formats including the ones with GET parameters.
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ZSH complains about RVM __rvm_cleanse_variables: function definition file not found
...he -f flag, doesn't seem necessary to bypass the remove file confirmation (if the user has it set in the first place)
– pech0rin
Dec 5 '16 at 21:38
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How can I multiply and divide using only bit shifting and adding?
How can I multiply and divide using only bit shifting and adding?
14 Answers
14
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How to download image from url
Is there a way to download an image directly from a url in c# if the url does not have an image format at the end of the link? Example of url:
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How to check for an active Internet connection on iOS or macOS?
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Use of www.appleiphonecell.com is now (2018) a bad choice. It now redirects to Apple.com which is a > 40kB html file. Back to google.com - it is only 11kB. BTW google.com/m is same size but is reported to be slower by 120 msec.
– Blu...
E11000 duplicate key error index in mongodb mongoose
...le who promised to add their emails to their profiles next week .
So its now a win-win for everyone (but you ;-] ): the people register, I am happy to have their data ...and my database is happy because it is being used nicely ...but what about you ? I am yet to give you the code that made the sc...
Extending the User model with custom fields in Django
...ugh a OneToOneField(User) property.
Extending the existing User model
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If you wish to store information related to User, you can use a one-to-one relationship to a model containing the fields for additional information. This one-to-one model is often called a profile model, as it might store non...
What algorithm does Readability use for extracting text from URLs?
...gave it up as a problem that cannot be accurately determined. (I've tried different ways but none were reliable)
4 Answers
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