Java fresh e-commerce platform - purchase order and inventory solution in fresh e-commerce (Applet / APP)

Java fresh e-commerce platform - purchase order and inventory solution in fresh e-commerce (Applet / APP)   Note: this system is aimed at the purchase order in the fresh small program to explain, we know that many fresh e-commerce, such as: Daily excellent fresh, Ding Dong buy vegetables, etc., are committed to 29 minutes must answer an efficie ...

Posted on Tue, 26 May 2020 12:00:48 -0400 by rajah

MapperReduce serialization job - sorting

1 data source: the last product about simple statistics of mobile traffic     2. Requirements: sort in reverse order according to the total flow value, and then get the output 3. General logic (1) FlowSort class: for serialization and deserialization, the implementation of sorting logic interface (2) FlowSortMapper class: encapsulating data (3 ...

Posted on Tue, 26 May 2020 10:10:14 -0400 by TwistedLogix

You robbed so many red envelopes. Do you know how it works?

With the popularity of electronic payment, red envelopes are very popular in social software such as wechat nails. Generally, the amount of red envelopes does not need to be very large, which can achieve the way to improve everyone's enthusiasm. In fact, robbing red envelopes is more of a pastime. It's a joy that can't be imagined. As our tra ...

Posted on Mon, 25 May 2020 23:16:21 -0400 by wee_eric

The running in period of Flink and Hive

There is a lot of feedback from readers. Please refer to the previous article< Hive is finally waiting, Flink >When Flink is deployed and Hive is integrated, there are some bug s and compatibility problems. Although waiting, it is not available. So I added this article as a sister article. review In the previous article, the author use ...

Posted on Mon, 25 May 2020 03:57:37 -0400 by soccerstar_23

Animation effect of "peacock opens screen" in Flutter

Guide reading for Lao Meng: today, I share an animation effect similar to "peacock opens the screen". When opening a new page, the new page will gradually open to the full screen from the top right corner of the screen. Let's see the specific effect first I don't know the name of this effect? If you have a more appropriate name, p ...

Posted on Sun, 24 May 2020 09:08:48 -0400 by geek_girl_2020

C++98/11/17 Expression Categories

target Can the following code be compiled and passed, and run as expected?(Click to expand)#include <utility> #include <type_traits> namespace cpp98 { struct A { }; A func() { return A(); } int main() { int i = 1; i = 2; // 3 = 4; const int j = 5; // j = 6; i = j; func() = A(); return 0; } } name ...

Posted on Sat, 23 May 2020 12:44:44 -0400 by luzlin

Download videos and save them to your mobile album

Function description: The transcoded video (less than 20MB) needs to be downloaded to the mobile phone album through APP to share the small video to WeChat. 1. Video is transcoded from the server, or many cloud providers will provide this functionality. 2. Download to mobile photo album via APP, this is what we need to do. Main Techniques: U ...

Posted on Sat, 23 May 2020 12:38:06 -0400 by sheilam

Using Huawei HMS MLKit SDK to develop a smile grabber on Android in 30 minutes

Using Huawei HMS MLKit SDK to develop a smile grabber on Android in 30 minutesIntron The ability of machine learning service for face detection ==Core tip: this function is free and covered by Android! = = Practical development of multi face smile photo taking function 1 development preparation 1.1 add Huawei maven warehouse in project level gr ...

Posted on Fri, 22 May 2020 06:02:54 -0400 by Lee-Bartlett

RAC < 5 > circular reference analysis

RAC can take over all the events in iOS development, as mentioned in the previous article. Although the cost of learning is relatively large, without RAC, many events are not written in the same way. Write one thing in the East and one thing in the West. How does RAC replace KVO? @property (nonatomic,strong)Person *person; - (void)vi ...

Posted on Fri, 22 May 2020 04:34:07 -0400 by m0rpheu5

Send a message in Python with graphics and text

Recently, many communication tools have been used, such as corporate WeChat robots, pins, WeChat public number interfaces (unauthenticated subscription public numbers), which are too weak for mail.There are no richer versions, for example.Of course, it doesn't mean that the better the presentation, the better the appointment, which depends on ...

Posted on Thu, 21 May 2020 14:25:40 -0400 by rh-penguin