Comparison of array de duplication methods

The following two arrays are simulated, one with a length of 100000 and the other with a length of 50000 The following methods are all tests for these two arrays The longer the array length, the greater the speed difference let arr1 = Array.from(new Array(100000), (x, index) => { return index; }); ...

Posted on Sun, 19 Jan 2020 05:30:09 -0500 by prudens

Python-Point Cloud Series--Reproduction of PointNet Papers

Article Directory Introduction to Point Net network structure Rotation transformation matrix Source Parsing (Detailed) Source Download Source directory structure PointNet.py Reproduction Procedure Text Dataset Download Other Not yet completed and supplemented... Migrate your own database Data Set ...

Posted on Sat, 18 Jan 2020 22:00:05 -0500 by UQKdk

Dictionary table dic tuple file and Type Summary

Article directory Dictionary statement (key: value) dict (key = value) operation Obtain merge sort attribute keys() values() items() sort Tuple tuple Characteristic statement index(val): find index count(val): count quantity nametuple file Basic grammar file = open('filename ', mode) ope ...

Posted on Sat, 18 Jan 2020 02:41:29 -0500 by flyingeagle855

(simple call Part 02) image body detection - C + + simple call

The main body detection can detect the coordinate position of the main body of the image. The main body region of the image can be cut out by using this interface, and the recognition accuracy can be improved by cooperating with the image recognition interface. It is widely used in business scenarios su ...

Posted on Sat, 18 Jan 2020 01:21:28 -0500 by andre3

Extend ports generate test reports

1, Download dependency package <dependency> <groupId>com.relevantcodes</groupId> <artifactId>extentreports</artifactId> <version>2.41.1</version> </dependency> <dependency> <groupId ...

Posted on Fri, 17 Jan 2020 09:33:16 -0500 by Karlos2394

Upload struts file

The basic jar package of struts has provided the related jar package commons-fileupload.jar for File upload, which is used to encapsulate the uploaded File as File type Here is a simple example to describe the steps of file upload in struts 1. First, create the struts project according to the ste ...

Posted on Thu, 16 Jan 2020 06:28:42 -0500 by spamyboy

Reader web author publishing times statistics crawler

The first is: Manually constructing the url of each journal according to the law Crawl twice. After the first crawl, de duplicate (set) and initialize the result set. After the second crawl, query and count in the result set Convert the result set to a list and sort the dictionaries (equivalent to the data set) as a whole according to the times ...

Posted on Thu, 16 Jan 2020 03:15:10 -0500 by FoTo50

Browser directly uploads files to Cloud Storage, bypassing the maximum 32M limit of App Engine Request

With the increase of traffic, GCP App Engine will automatically allocate more resources to the application, but the automatic allocation of resources is still constrained by some thresholds, one of which is that the request body sent to the application cannot be greater than 32M. For the demand of uploa ...

Posted on Thu, 16 Jan 2020 02:39:30 -0500 by fusioneko

Hand in hand to teach you MySQL query optimization analysis

Preface MySQL is a kind of relational database, which has strong query function, high data consistency, high data security and supports secondary index. However, the performance is slightly inferior to that of non relational databases, especially for data above one million levels, which is easy to cause slow query. At this time, we need to ana ...

Posted on Thu, 16 Jan 2020 02:02:29 -0500 by nuying117

Bash & Python processing application translation table for international import Excel into string.xml table

The company's business development must be internationalized. In the process of internationalization, the most headache is to write an internationalized language. The establishment of a corresponding string.xml file can make an internationalized application. The corresponding translation of each coun ...

Posted on Tue, 14 Jan 2020 04:13:35 -0500 by r2ks