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TypeScript and field initializers

... 6½ years later I forgot this, but I still like it. Thanks again. – PRMan Nov 5 '19 at 18:36 add a c...
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How do you change the size of figures drawn with matplotlib?

...ar 12 '09 at 12:41 Jouni K. SeppänenJouni K. Seppänen 33.9k55 gold badges6767 silver badges9696 bronze badges ...
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What is the difference between RDF and OWL? [closed]

...ormal programming, such as a C struct, isn't fussed about and is closer to AI research & set theory. Triples & URIs Subject - Predicate - Object These describe a single fact. Generally URI's are used for the subject and predicate. The object is either another URI or a literal such as a n...
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How do I disable right click on my web page?

...ngle JavaScript statement found in Mr. Speaker's answer, which was posted 1½ years before this. By the way, that answer also includes a jQuery solution, which again you don't need. Does anyone who had upvoted this answer even know what this does? Why does this wait for the document ready event to s...
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MongoDB仿关系型数据库Group聚合例子 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...户最近一天的数据 /// /// static void Main(string[] args) { InitData(); // 取最近一天的数据 Dictionary dic = new Dictionary(); dic["_userName"] = ""; // 与原字段名区分开 dic...
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一张图告诉你是需要 SQL 还是 Hadoop - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

一张图告诉你是需要 SQL 还是 Hadoop很多朋友问时下如火如荼的 Hadoop 是否适合引进我们自己的项目,什么时候用 SQL,什么时候用 Hadoop,它们之间如何取舍?Aaron Cordova 用一张图来回答你这个问题,对于不同的数据场景,如何选取...
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一致性hash和solr千万级数据分布式搜索引擎中的应用 - 大数据 & AI - 清泛...

...文章都写的比较好。如: http://blog.csdn.net/x15594/article/details/6270242 准备:1、2、3 三台机器 还有待分配的9个数 1、2、3、4、5、6、7、8、9 一致性hash算法架构 写了这么多一致性hash,这个和分布式搜索有什么半点关系?我们现在...
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TokuMX vs. MongoDB 性能对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

TokuMX vs. MongoDB 性能对比TokuDB 的ft tree 用在MongoDB产品TokuMX已经发布。MongoDB 在大量数据(比如1亿条记录)后,插入性能急剧下降。Tokutek数据带索引插入...TokuDB 的ft tree 用在MongoDB产品TokuMX已经发布。MongoDB 在大量数据(比如1亿条...
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MySQL和MongoDB设计实例进行对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

MySQL和MongoDB设计实例进行对比MySQL是关系型数据库中的明星,MongoDB是文档型数据库中的翘楚。下面通过一个设计实例对比一下二者:假设我们正在维护一个手机产品库,里面...MySQL是关系型数据库中的明星,MongoDB是文档型数据库...
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PHP操作MongoDB时的整数问题及对策 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

PHP操作MongoDB时的整数问题及对策本文所说的整数问题,其实并不是MongoDB的问题,而是PHP驱动的问题:MongoDB本身有两种整数类型,分别是:32位整数和64位整数,但旧版的PHP...本文所说的整数问题,其实并不是MongoDB的问题,而是P...