大约有 45,000 项符合查询结果(耗时:0.0461秒) [XML]

https://stackoverflow.com/ques... 

Setting different color for each series in scatter plot on matplotlib

... I don't know what you mean by 'manually'. You can choose a colourmap and make a colour array easily enough: import numpy as np import matplotlib.pyplot as plt import matplotlib.cm as cm x = np.arange(10) ys = [i+x+(i*x)**2 for i in ...
https://stackoverflow.com/ques... 

What is the correct way to start a mongod service on linux / OS X?

... been able to run it, work with it, do simple DB read / write type stuff. Now I'm trying to set up my Mac to run mongod as a service. ...
https://stackoverflow.com/ques... 

How to join strings in Elixir?

... If you just want to join some arbitrary list: "StringA" <> " " <> "StringB" or just use string interpolation: "#{a} #{b}" If your list size is arbitrary: Enum.join(["StringA", "StringB"], " ") ... all of...
https://stackoverflow.com/ques... 

how to File.listFiles in alphabetical order?

... Ok, now you justify why it's simpler if you just want to print the results so I will remove my downvote. – zelanix Feb 18 '14 at 16:19 ...
https://stackoverflow.com/ques... 

How to use the pass statement?

..._a(self): pass def meth_b(self): print "I'm meth_b" If you were to leave out the pass, the code wouldn't run. You would then get an: IndentationError: expected an indented block To summarize, the pass statement does nothing particular, but it can act as a placeholder, as d...
https://stackoverflow.com/ques... 

Where is the WPF Numeric UpDown control?

...t. It seems like there are a lot of basic controls flat out missing. Specifically, I am looking for the Numeric UpDown control. Was there an out of band release that I missed? Really don't feel like writing my own control. ...
https://stackoverflow.com/ques... 

How to properly add cross-site request forgery (CSRF) token using PHP

...stically Try this out: Generating a CSRF Token PHP 7 session_start(); if (empty($_SESSION['token'])) { $_SESSION['token'] = bin2hex(random_bytes(32)); } $token = $_SESSION['token']; Sidenote: One of my employer's open source projects is an initiative to backport random_bytes() and random_...
https://stackoverflow.com/ques... 

Django ManyToMany filter()

...s in the many-to-many and many-to-one tests. Here is syntax for your specific problem: users_in_1zone = User.objects.filter(zones__id=<id1>) # same thing but using in users_in_1zone = User.objects.filter(zones__in=[<id1>]) # filtering on a few zones, by id users_in_zones = User.objec...
https://stackoverflow.com/ques... 

How to make rpm auto install dependencies

...ons: # chown -R root.root /home/user/repo Install the createrepo package if not installed yet, and run # createrepo /home/user/repo # chmod -R o-w+r /home/user/repo Create a repository configuration file, e.g. /etc/yum.repos.d/myrepo.repo containing [local] name=My Awesome Repo baseurl=file:///...
https://stackoverflow.com/ques... 

What's the best way to inverse sort in scala?

... There may be the obvious way of changing the sign, if you sort by some numeric value list.sortBy(- _.size) More generally, sorting may be done by method sorted with an implicit Ordering, which you may make explicit, and Ordering has a reverse (not the list reverse below) Y...