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How do you get the magnitude of a vector in Numpy?
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numpy.linalg.norm contains safeguards against overflow that this implementation skips. For instance, try computing the norm of [1e200, 1e200]. There is a reason if it is slower...
– Federico Poloni
May 9 '18 ...
how do I make a single legend for many subplots with matplotlib?
...iable to put in the argument for legend ?
– patapouf_ai
Apr 10 '17 at 12:51
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@patapouf_ai lines ...
Add custom icons to font awesome
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Hi, I have generated font icons with a folder containing svg icons. But later i want to add a single icon to that , Is it possible to add ? or again i have to generate with the folder?.
– Varadha31590
Mar 3 '16 at 12:24
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MQTT与TCP的区别 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...目的经验，他发现有必要开发一个通用的开放架构的网络模型，从而让不同软硬件的网络都可以互相通信。在1973年Vinton Cerf也参与了这个项目，他们俩于同年实现了TCP的第一个版本。1974年的时候，TCP协议规范正式发布，编号为RF...
What is the best way to detect a mobile device?
...f(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|ipad|iris|kindle|Android|Silk|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|wind...
How does Dijkstra's Algorithm and A-Star compare?
I was looking at what the guys in the Mario AI Competition have been doing and some of them have built some pretty neat Mario bots utilizing the A* (A-Star) Pathing Algorithm.
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“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
...th many rows, I want to skip duplicate entries that would otherwise cause failure. After some research, my options appear to be the use of either:
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为何谷歌不可复制？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...程师提出了他们的解决方案，通过重建广告相关度的数据模型，提供更精确的推荐结果，这个理念成为谷歌Adwords赖以生存的基础，也成就了谷歌接下来十年领跑搜索广告领域的重要技术支持。
“这件事最重要的细节是什么？”...
Need for predictable random generator
...ndomness in small runs of some games is undesirable -- it does seem too unfair for some use cases.
I wrote a simple Shuffle Bag like implementation in Ruby and did some testing. The implementation did this:
If it still seems fair or we haven't reached a threshold of minimum rolls, it returns a...
Difference between add(), replace(), and addToBackStack()
What is the main difference between calling these methods:
9 Answers
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