大约有 47,000 项符合查询结果(耗时:0.0307秒) [XML]

https://stackoverflow.com/ques... 

Python circular importing?

... of it) for the first time, the code inside the module is executed sequentially like any other code; e.g., it is not treated any differently that the body of a function. An import is just a command like any other (assignment, a function call, def, class). Assuming your imports occur at the top of th...
https://stackoverflow.com/ques... 

Rails layouts per action?

...th this is that you cannot access objects such as current_user to conditionally determine the layout – Andrew K Dec 14 '14 at 5:25 ...
https://stackoverflow.com/ques... 

Django, creating a custom 500/404 error page

... for some reason request.user appears fine in the 404 template, but not at all in the 500 template (and they are almost identical) -- posted question on this here: stackoverflow.com/questions/26043211/… – Gravity Grave Sep 25 '14 at 16:13 ...
https://stackoverflow.com/ques... 

MongoDB mongorestore failure: locale::facet::_S_create_c_locale name not valid

... On my distro "locale-gen" was not installed and it turned out all I had to do is set the LC_ALL environment variable. so the following command fixed it: export LC_ALL="en_US.UTF-8" hopefully it will help someone else... ...
https://stackoverflow.com/ques... 

Iterating each character in a string using Python

... If that seems like magic, well it kinda is, but the idea behind it is really simple. There's a simple iterator protocol that can be applied to any kind of object to make the for loop work on it. Simply implement an iterator that defines a next() method, and implement an __iter__ method on a c...
https://stackoverflow.com/ques... 

Convert a series of parent-child relationships into a hierarchical tree?

...o '</ul>'; } } You'll only save 8 iterations on a dataset as small as this but on bigger sets it could make a difference. share | improve this answer | follow ...
https://stackoverflow.com/ques... 

What is context in _.each(list, iterator, [context])?

... The context lets you provide arguments at call-time, allowing easy customization of generic pre-built helper functions. some examples: // stock footage: function addTo(x){ "use strict"; return x + this; } function pluck(x){ "use strict"; return x[this]; } function l...
https://stackoverflow.com/ques... 

What are the differences between numpy arrays and matrices? Which one should I use?

...ted/numpy.matrix.html As other answers already state that you can achieve all the operations with NumPy arrays. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Best way to strip punctuation from a string

...s working with the same datatype, but the approach in this answer works equally well for both, which is handy. – Richard J Jan 16 '15 at 9:35 38 ...
https://stackoverflow.com/ques... 

apt-get for Cygwin?

... apt-cyg orks really well. Just installed rsync, openssh, mc and others. – Jako Feb 14 '13 at 0:51 9 ...