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Zip lists in Python
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When you zip() together three lists containing 20 elements each, the result has twenty elements. Each element is a three-tuple.
See for yourself:
In [1]: a = b = c = range(20)
In [2]: zip(a, b, c)
Out[2]:
[(0, 0, 0),
(1, 1, 1),
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(17, 17, 17),
(18, 18, 18...
Statistics: combinations in Python
...ersions of scipy). When exact is False, it uses the gammaln function to obtain good precision without taking much time. In the exact case it returns an arbitrary-precision integer, which might take a long time to compute.
sh...
How to get back to most recent version in Git?
... @Nathan: In git a branch is really mostly a movable pointer to a certain revision. So conceptually, you're sort of creating a branch, but not in the sense that git thinks of branches.
– DLH
Aug 24 '10 at 17:26
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VS2005混合编译ARM汇编代码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...olFile>
将上面的代码复制到记事本中,并将其保存到vs2005安装目录的Microsoft Visual Studio 8/VC/VCProjectDefaults文件夹下,命名为armcc.rules
二. 在VS2005中添加编译规则
选择需要和ARM汇编代码做混合编译的Project,右键弹出的菜单中选...
libevent对比libev的基准测试 - C/C++ - 清泛网 - 专注C/C++及内核技术
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基准测试非常简单:首先创建多个套接字对,然后安装这些对的事件观察器,然后(较少)数量的“活动客户端”在这些套接字的子集上发送和接收数据。
使用的基准程序是bench.c,取自 libevent 发行版,经过修改以收集每...
技术和资本玩转创客圈 英特尔在中国的动作才刚刚开始 - 资讯 - 清泛网 - 专...
...戏、玩具、体验、3D打印等领域。
比如可以通过简单的安装操作对普通滑雪板进行智能升级的SKIIN,就是从创意到原型、再到通过“硬享公社”平台的对接功能成为落地商品的。SKIIN可以识别滑雪者的动作,上传至APP随时回放,...
What does collation mean?
... @Piskvor: aren't coordinates in your info pointing to a certain country using an alphabet with 42 letters, 15 of them having diacritics?
– Quassnoi
Dec 27 '10 at 13:07
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When should I use genetic algorithms as opposed to neural networks? [closed]
...e useful for recognizing patterns. They follow a simplistic model of the brain, and by changing a number of weights between them, attempt to predict outputs based on inputs.
They are two fundamentally different entities, but sometimes the problems they are capable of solving overlap.
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R command for setting working directory to source file location in Rstudio
I am working out some tutorials in R. Each R code is contained in a specific folder. There are data files and other files in there. I want to open the .r file and source it such that I do not have to change the working directory in Rstudio as shown below:
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Action bar navigation modes are deprecated in Android L
... the Google provided examples SlidingTabsBasic or SlidingTabsColors as explained in this Dev Bytes video.
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