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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...
...2月的终极加速和路演，其中既有关注环保、医疗等社会问题的“智慧低碳社区”、“医院罗盘”项目，又有提升智能生活体验的“完美幻境”、“智能行车记录仪”、“图传机械臂”等智能硬件。
这些项目大多有一个特点——...
Java 反射最佳实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...哇，就一行代码啊，很爽吧~
爽完了，我们就来看看反射问题吧。因为不是系统给出的api，所以谷歌在不同的版本上用了不同的方法名来做处理，用反射的话我们就必须进行版本的判断，这是需要注意的，此外反射在性能方面确...
How to JSON serialize sets?
...Python set that contains objects with __hash__ and __eq__ methods in order to make certain no duplicates are included in the collection.
...
What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an
...e, and is better for modern high-performance CPUs where latency and out-of-order execution matter. (The i386 ABI is very old).
In this new mechanism: First the parameters are divided into classes. The class of each parameter determines the manner in which it is passed to the called function.
For ...
无人驾驶汽车大难题 人工智能同人的差距显著 - 资讯 - 清泛网 - 专注C/C++...
...自动驾驶的时间节点。不过，法律可能是其绕不开的一大问题。
据了解，在美国只有加州、佛罗里达州以及内华达州通过了相关的法律法规，允许自动驾驶汽车上路测试。不过其同时也要求车内必须有人并持有驾照，能在紧急...
VIM + JSLint?
...instructions updated for Nov. 2012. Assumes you have Homebrew installed in order to get Node.js, and that you've already installed Syntastic for Vim (I use https://github.com/carlhuda/janus which provides this automatically):
$ brew install node.js
$ npm install -g jshint
Then add '/usr/local/sha...
Should I impose a maximum length on passwords?
... treat only the first 256/1024/2k/4k/(whatever) bytes as "significant", in order to avoid crunching on mammoth passwords.]
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Is it expensive to use try-catch blocks even if an exception is never thrown?
...erved as though its statements, as written in the source code, executed in order up to some line.
Because in a try block an exception can be thrown (at any line in the try block! Some exceptions are thrown asynchronously, such as by calling stop on a Thread (which is deprecated), and even besides t...
Prefer composition over inheritance?
...ifference, it's easier to explain.
Procedural Code
An example of this is PHP without the use of classes (particularly before PHP5). All logic is encoded in a set of functions. You may include other files containing helper functions and so on and conduct your business logic by passing data around i...
Save classifier to disk in scikit-learn
...ng locked into an old version of sklearn).
From the documentation:
In order to rebuild a similar model with future versions of
scikit-learn, additional metadata should be saved along the pickled
model:
The training data, e.g. a reference to a immutable snapshot
The python source...