The publication on finance and technology Seeking Alpha published investigation About the financial start-up Robinhood. In particular, it claims that a service that offers users the opportunity to trade on the exchange without commissions, sells information about the high-frequency traders that they submit to bids. Robinhood filed with the US Securities Commission (SEC). From the documents it became clear that Robinhood sells data about orders (order flow) of its customers to HFT-companies.
 
 
This practice is legalized in the US brokerage services market, although there is no consensus ...

 
 
About the program "Digital Economy" on Habr already several times wrote . As it turned out, her passport states that by 2024 a wireless communication network should be established in the Russian Federation for socially significant facilities and special consumers. First of all, these are officials and representatives of law enforcement agencies.
 
 
The network will work on LTE-450 technology, about are reported. "Vedomosti". A feature of the technology is the ability to manage priorities ...

The French organization CNIL , dealing with the protection of personal data in the country, demanded that Google extend the "right to oblivion" to the whole world. The regulator wants the links removed from the French version to be hidden in versions of Google for other countries.
 
 
IT giant did not agree with this requirement, because the dispute between Google and CNIL went to the hall of the Court of Justice of the European Union. Next, we understand the essence of the conflict.
 
 


 
...

I started to study asp.net core and the first thing I tried was to find this kind of "OAuthAuthorizationServerProvider" for the implementation of ticket generation and "IAuthenticationTokenProvider" for implementations of token refresh as in usual asp.net, but did not find it. It is possible that he was looking badly, and there may be a comment such as "here is a library run for this case."
 
 
It's good that you can quite simply write your Middleware for processing requests, and associate it with some implementation of the provider through the "services" in ConfigureServices.
 
 
So, I need to ...

With what all began

 
It all started with Apple Market - I found that they have a program that allows you to determine the ripeness of watermelon. The program is strange. What is worth, if only, a suggestion to knock on the watermelon not with knuckles, but with a telephone! Nevertheless, I wanted to repeat this achievement on the more familiar Android platform.
 
page of the program on Google Play, of course, the program is free.
 
 
What she does:
 
 
1. Press the button with the microphone and start recording. You have five seconds to knock three times on a watermelon - tuk-tuk-tuk...[/h]

From August 29 to September ? 201? the UX SPb community (an independent community of UX-specialists from St. Petersburg) conducted a survey aimed at studying the professional skills of specialists in user interfaces. The community promised to publish the results. The promise is fulfilled :)
 
 

 
 
The survey was conducted in the thematic groups UX SPb and UXClub in social networks VK and Facebook. 109 respondents took part in the study. First, a few words about the methodology of the study. After - about the results.
 
 
 

The purpose of the survey is

 
The goal of the survey was to obtain ...[/h]

Today we have prepared a selection of YouTube channels, the authors of which talk about the device of vintage and modern audio equipment: from setting up vinyl players to assembling acoustic systems. All who are interested in this, are invited to view under the cut.
 
 


 
Photo Nathan Duprey / CC
 
 

Kirby Meets Audio

 
The channel is dedicated to assembling acoustic speakers with your own hands and suitable for beginners DIY-audio lovers. The author - Jared Kirby, who develops sets for assembling ...[/h]

No time and no desire to learn kilometer WiX files to assemble an MSI installer for your project, while plunging into the abyss of MSDN? Want to build an installer, describing it in simple and understandable terms, in a few lines? Is there a clinical tendency to cross-platform and build on Linux & Docker? Well then, you under the cut!
our project is cross-platform vector graphics editor and encountered a couple of months ago.
 
We knew about WiX Toolset (Windows Installer XML), but even a cursory review of the tutorials on the official site brought sadness and despondency - without serious ...

All greetings, good and warm tea.
 
 
Due to his professional activity (the main engineer is my hobby, I am engaged in marketing), will not be free will, but you will follow all conferences, mitapes, forums and other clever words describing a one-time congestion of a heap of people.
 
 
It seemed, well, the conference, and what? And there is such a tendency that a variety of professional events that can be of interest to the developer /marketer /teamlid, etc. a month passes so many that the weekend is not visible. And in consequence a natural question arises: who needs it, who needs it? Let's understand.
 
 
 ...

Introduction

 
A detailed story of how from the three engines was assembled a car on Arduino, controlled from an Android device via Bluetooth. For a few dozen paragraphs I will try to explain as much as possible step by step where to connect each of the wires, how to write a branded application and on what children's rakes I had to jump for more than a week.
 
 

A bit about the level, the author and the caution

 
I, the author, a boy of 16-17 years from a village in the Moscow region, specialize in writing android-applications (and it's more difficult to burn something), so I take off my ...[/h][/h]