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【转】利用Psyco提升Python运行速度
转自:http://www.leeon.me/a/use-Psyco-to-improve-Python-speed Psyco 是严格地在 Python 运行时进行操作的。也就是说,Python 源代码是通过 python 命令编译成字节码的,所用的方式和以前完全相同(除了为调用 Psyco 而添 ...
分类:编程语言   时间:2017-11-10 12:53:24    阅读次数:198
build a real-time analytics dashboard to visualize the number of orders getting shipped every minute to improve the performance of their logistics for an e-commerce portal
https://cloudxlab.com/blog/real-time-analytics-dashboard-with-apache-spark-kafka/ ...
分类:其他好文   时间:2017-11-02 23:19:44    阅读次数:253
HDU3555 Bomb 数位DP第一题
The counter-terrorists found a time bomb in the dust. But this time the terrorists improve on the time bomb. The number sequence of the time bomb coun ...
分类:其他好文   时间:2017-11-01 11:07:32    阅读次数:126
#DIP##OpenCV#Some Kinds Of Image Smoothing Methodologies
In digital image processing(DIP), many methods are used in smoothing images in order to suppress noise, to improve the quality of the image and so on. ...
分类:其他好文   时间:2017-10-28 16:39:45    阅读次数:136
SQL Access Advisor in Oracle Database 10g
The SQL Access Advisor makes suggestions about indexes and materialized views which might improve system performance. This article describes how to us ...
分类:数据库   时间:2017-09-21 13:17:57    阅读次数:164
wx:key
在实际开发过程中遇到 warning: Now you can provide attr "wx:key" for a "wx:for" to improve performance. 上网查找资料与查看官方文档发现原因大致如下: 官方解释: wx:key 如果列表中项目的位置会动态改变或者有新的项 ...
分类:其他好文   时间:2017-09-19 11:47:17    阅读次数:179
《大道至简》第一章读后感
第一章 编程的精义 1.编程的意义 开篇以愚公移山为例,让我们看到了编程的根本:顺序、分支和循环 improve.java.io.* public class YuGongYiShan { int 愚公子孙三人,孀妻 if(愚公子孙三人,孀妻 dead) while(移山未成功) { 子又生孙,孙又 ...
分类:其他好文   时间:2017-09-14 00:34:56    阅读次数:153
L1和L2特征的适用场景
How to decide which regularization (L1 or L2) to use? Is there collinearity among some features? L2 regularization can improve prediction quality in t ...
分类:其他好文   时间:2017-09-07 13:32:16    阅读次数:239
【机器学习基石笔记】一、综述
课程定位: 注重基础、故事性 机器学习定义: data - Algo - improve 机器学习使用条件 1、有优化的目标,可量化的。 2、规则不容易写下来,需要学习。 3、要有数据 一个可能的推荐系统: skill: 预测用户给电影的打分 用户的各个特征 * 电影的各个特征。。。 机器学习明确定 ...
分类:其他好文   时间:2017-09-07 00:51:55    阅读次数:194
特征与多项式回归
Features and Polynomial Regression We can improve our features and the form of our hypothesis function in a couple different ways. We can combine mult ...
分类:其他好文   时间:2017-08-06 19:37:46    阅读次数:161
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