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如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注C++内核技术

...给个合适的核函数,它就能运行得很好。在动辄超高维的文本分类问题中特别受欢迎。可惜内存消耗大,难以解释,运行和调参也有些烦人,所以我认为随机森林要开始取而代之了。 But… 然而。。。 Recall, though, that ...
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如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注C++内核技术

...给个合适的核函数,它就能运行得很好。在动辄超高维的文本分类问题中特别受欢迎。可惜内存消耗大,难以解释,运行和调参也有些烦人,所以我认为随机森林要开始取而代之了。 But… 然而。。。 Recall, though, that ...
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How to validate an OAuth 2.0 access token for a resource server?

...(RS) and Authorization Server (AS) for access token (AT) validation. It really depends on the AS's token format/strategy - some tokens are self-contained (like JSON Web Tokens) while others may be similar to a session cookie in that they just reference information held server side back at the AS. ...
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How should a model be structured in MVC? [closed]

...understand MVC-like patterns in the context of PHP-based web applications. All the external links that are used in the content are there to explain terms and concepts, and not to imply my own credibility on the subject. The first thing that I must clear up is: the model is a layer. Second: there ...
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How can I color Python logging output?

...ication with colored output, presumably because of its log system (because all the messages were standardized). 30 Answers...
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Calculate distance between two points in google maps V3

... @EmanuelePaolini - Mathematically, atan2(sqrt(a),sqrt(1-a)) = asin(sqrt(a)) = acos(sqrt(1-a)), but the atan2 version remains numerically better conditioned for all values of a. – ChrisV Dec 19 '14 at 18:00 ...
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phpcms与ucenter整合常见问题与解答 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...接到 UCenter 的原因。可以尝试修改文件 phpsso_server/api/uc_client/model/base.php 将第 74 行的 代码示例: $this->db->connect(UC_DBHOST, UC_DBUSER, UC_DBPW, '', UC_DBCHARSET, UC_DBCONNECT, UC_DBTABLEPRE); 替换为: 代码示例: $this->db->connect(UC_...
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How can I redirect HTTP requests made from an iPad?

... Just for the record I'd say that is pretty easy to install squid using macports "sudo port install squid" – MiQUEL May 4 '13 at 18:18 ...
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Save ArrayList to SharedPreferences

...Set the values Set<String> set = new HashSet<String>(); set.addAll(listOfExistingScores); scoreEditor.putStringSet("key", set); scoreEditor.commit(); You can also serialize your ArrayList and then save/read it to/from SharedPreferences. Below is the solution: EDIT: Ok, below is the sol...
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Why does “pip install” inside Python raise a SyntaxError?

...preter to load new installed package so this is the right way of using the API: subprocess.check_call([sys.executable, '-m', 'pip', 'install', 'SomeProject']) but since Python allows to access internal API and you know what you're using the API for you may want to use internal API anyway eg. if you'...