Bloon filter in reptiles

The principle of Bloom filter A brief understanding of the implementation principle of the bloom filter is as follows: # A simple representation of the implementation principle of the bloom filter # Calculate the length of the bloon filter # If we use a 256 M bloom filter # Now let's calculate the ...

Posted on Tue, 04 Feb 2020 13:58:24 -0500 by brucemalti

How to implement Android pull to refresh

In Android applications such as Twitter (the official APP), when you encounter ListView, you can pull it down (and it bounces back when you publish) to refresh the content. I want to know in your opinion, what is the best way to implement this method? Some of the possibilities I can think of: Items at the top of the ListView - but I ...

Posted on Tue, 04 Feb 2020 13:07:52 -0500 by zcollvee

Download pdf files in batch by python multiprocess

background Recently, I am studying the online course of compiling principles of Stanford University, so I need to use its supporting pdf courseware. According to the courseware link provided by enthusiastic netizens of b station, http://openclassroom.stanford.edu/mainfolder/documentpage.php? Course = ...

Posted on Tue, 04 Feb 2020 12:19:39 -0500 by benracer

Buckle 416 -- split equal sum subset

This problem mainly involves dynamic programming, which is similar to knapsack problem. It mainly needs to find out the state transfer equation. When optimizing, depth first search can be considered. Original question Given a non empty array that contains only positive integers. Whether the array can be ...

Posted on Tue, 04 Feb 2020 09:17:47 -0500 by countrygyrl

ReactiveCocoa use details-1

Reactive cocoa (referred to as RAC) is a functional responsive programming framework for iOS and OS development, which is open-source by Github. It provides a series of API s for combining and converting value streams 1, What is responsive thinking? Before learning a framework, you should first unders ...

Posted on Tue, 04 Feb 2020 08:58:39 -0500 by realnsleo

C++ Implements Neural Network from Zero

Long text warning: a total of 22727 words Note: All source addresses are attached at the end of the article Suggestion: Find the right time to read after collecting. 1. Design of Net Classes and Initialization of Neural Networks Talk less and start directly Since it is implemented in C++, i ...

Posted on Mon, 03 Feb 2020 20:40:41 -0500 by hush2

ios learning notes 04 use of local storage and realm mobile database combined with todo project

lebus tutorial 04 p67-75: store coredata and realm locally Introduce cs/bs architecture cs does not need a large number of network connections to improve the software experience. There are three ways to store locally: userdefaults core data - apple comes with a lot of code, not fast enough - not r ...

Posted on Mon, 03 Feb 2020 12:12:41 -0500 by sandrob57

JS achieves three-level linkage

The so-called linkage is the change of itself affected by the upper and lower elements. Common multi-level actions are used in the selection of year, month, day, country, shopping screening, etc. This case realizes the three-level linkage of year, month, day, and native js implementation, the effect is as shown in the figure ...

Posted on Mon, 03 Feb 2020 11:56:59 -0500 by kof20012

pytorch learning notes

By Chen Micro Signal & QQ: 862251340 WeChat public address: coderpai (1) pytorch learning notes (2) pytorch learning notes (3) pytorch learning notes (4) pytorch learning notes What is convolutional neural network (CNN) Convolutional neural network is a kind of artificial neural network structur ...

Posted on Mon, 03 Feb 2020 10:07:53 -0500 by nfzgrld

Scikit learn & tensorflow machine learning practical guide: a complete machine learning project

Machine learning practical guide (3): a complete machine learning project [2] By LeonG This article is from hands on machine learning with scikit learn & tensorflow practical guide for machine learning, thank you for the Chinese AI Community ApacheCN Provide translation. All the code and data set ...

Posted on Mon, 03 Feb 2020 01:35:31 -0500 by Twentyoneth