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How do I use pagination with Django class based generic ListViews?
..._data()
df = pd.DataFrame(list(self.model.objects.all().values()))
ipc = df.groupby('ip')['ip'].count().sort_values(ascending=False)
urlc = df.groupby('url')['url'].count().sort_values(ascending=False).to_dict()
ipc = tuple(ipc.to_dict().items())
urlc = tuple(urlc.items())
...
Can TCP and UDP sockets use the same port?
...ing connections on the original socket whilst simultaneously servicing multiple clients each of which will be triggering receive events on their own sockets.
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程序员用数据思维教你如何追女生 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...恋爱技能，进行自学
交给你一个项目，遇到不会的开发工具怎么办？学啊！我们程序员拥有超强的自学能力。
要充分利用知识管理，我们不会谈恋爱，但是我们可以收集资源自学啊！我们可以看书啊，我们可以听罗辑思维啊...
How to configure a HTTP proxy for svn
... @ErikMitchell: Create two versions of the config file and scripts which allow you to switch. Read your OSs docs how to hook into the network discovery mechanism and execute the correct script when your laptop notices where it is.
– Aaron Digulla
O...
记一次MongoDB性能问题 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...。
迁移工作需要导入旧数据。MongoDB本身有一个mongoimport工具可供使用，不过它只接受json、csv等格式的源文件，不适合我的需求，所以我没用，而是用PHP写了一个脚本，平稳运行了一段时间后，我发现数据导入的速度下降了，同...
What is SaaS, PaaS and IaaS? With examples
...sk image library, block and file-based storage, firewalls, load balancers, IP addresses, virtual local area networks etc.
Examples: Amazon EC2, Windows Azure, Rackspace, Google Compute Engine.
PaaS (Platform as a Service), as the name suggests, provides you computing platforms which typically incl...
PDB文件：每个开发人员都必须知道的 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的。对于public builds，在运行source indexing tool后，版本控制工具将代码存储到你设置的代码cache中。对于private builds，只是存储了PDB文件的全路径，例如在c:\foo下的源文件mycode.cpp，在pdb文件中存储的路径为c:\foo\mycode.cpp。对于private ...
How do ports work with IPv6?
Conventional IPv4 dotted quad notation separates the address from the port with a colon, as in this example of a webserver on the loopback interface:
...
App Inventor 2 中文网原创内容 · App Inventor 2 中文网
...调试方式：App调试、问题排查
【项目合并】AI2项目合并工具
【存储】Android存储系统基础知识：内部存储，外部存储，App特定目录ASD 及 getASD代码实现
【视频】App Inventor 2基础组件使用
【科普】App Inventor 2 中的“2”是什么...
What is the difference between OpenID and SAML?
...e of federation. In SAML federations, an account should be a 1:1 relationship with a single person with a current relationship with the IdP "asserting" both the user authentication and authorisation. Entities operating IdPs in a federation must comply with governance around account currency and ver...