How I reanimated the device (JTAG emulator BH-USB-560v2) via U-Boot

I have doubts that the JTAG emulator for debugging processors from Texas Instruments is so common that its resuscitation would be of interest to someone. However, the article can be useful to those who are trying to reanimate something on the basis of a single-board with Linux, having limited resources and information. You can consider this as some practice of working with U-Boot.
 
How I reanimated the device (JTAG emulator BH-USB-560v2) via U-Boot
Blackhawk USB560v2 . I must admit, not the cheapest piece of hardware. And then one day she stopped working for no apparent reason.
 
Symptoms of
 
Everything happened one day, the device just stopped loading and being detected ...
+ 0 -

A new version of Mirai uses for distribution of Aboriginal Linux

A new version of Mirai uses for distribution of Aboriginal Linux  
 
The Mirai worm, which is allowed its creators create a botnet consisting of hundreds of thousands of IoT-devices, has not disappeared. After its source codes flowed into the network, which happened two years ago, the virus writers were able to create on their basis many new variants, both clones and seriously modified systems.
 
 
For example, the botnets Wicked, Sora, Owari and Omni are based solely on the source code of Mirai with the modifications of the new "authors". This became known after the information security specialist Ankit Anubhav from NewSky Security even ...
+ 0 -

Introduction to Maven from Balaji Varnasi and Sudha Belida (translation)

Introduction to Maven from Balaji Varnasi and Sudha Belida (translation) From the translator: A few years ago I set myself the goal to quickly, but rather tightly familiar with such a widely used framework, like Apache Maven . Almost instantly I was able to find the relevant literature, but I was slightly surprised by the fact that all the complex materials were exclusively in English, in Russian there was a lot of scattered articles, but I did not find a full book that could be read from cover to cover managed. As a result, for reading I chose a small book "Introducing Maven" written by Balaji Varnasi and Sudha Belida and released by Apress publishing ...
+ 0 -

Alibaba, Mail.ru and RFPI plan to develop a joint project in the Internet trade

Alibaba, Mail.ru and RFPI plan to develop a joint project in the Internet trade  
Source: Aly Song /Reuters
 
 
 
Recently it became known that the Russian Direct Investment Fund (RFPI), Chinese company Alibaba Group and Mail.ru Group plan to create a joint venture in Russia in the field of electronic commerce. At present, the negotiations "are in an advanced stage", - about what reported. "Vedomosti". As far as you can understand, RFPI and Alibaba are potential investors of Mail.ru Group.
 
 
Representatives of all three organizations do not comment on the news yet. By the way, the fact that the RFPI can become a partner of Alibaba in Russia became known as early as the end of ...
+ 0 -

High-speed compression

High-speed compression

Forcing I /O speed with compression


 
 
Application compression (compression) of information before writing to the data carrier is a well-known method to improve the performance of I /O operations. But, modern data storage formats are already compressed, re-compression is a waste of time.
 
Therefore, at present, the use of compressors for information compression is advisable in systems where data is deposited with large internal redundancy. There are not so many types of information with redundancy, but such information is of great importance and occupies an essential volume of data storage ...[/h]
+ 0 -

When expenses are not expenses, how correctly to understand the financial data of

In finance, there is a big difference between "spending" in the financial sense and "expenses" in the household. Financiers share the concepts of spending and spending money. Expenditures are events that are:
 
 
Are a waste of money or you have obligations to pay them.
 
Relate to the current financial period.
 
Relate to the use of resources by the company.
 
 
At the same time, the expenditure of funds is the actual operation of writing off funds from the account or cash register. And such a write-off can not always mean expenses (in the designated sense) for the company. For example:
 
 
You ...
+ 0 -

We use Ramda together with Redux

This is the translation of article Using Ramda With Redux , which describes how to simplify your code on the basis of the Redux library using the Ramda library, which allows you to write code in a functional style.
 
P.S. If you do not know what Ramda is - I invite you to translation of a series of articles about it .
 
On my current work, we are working on front-end projects using React and Redux. We also use the Ramda library to work effectively with Redux. This post describes several ways in which we used Ramda in our React /Redux applications. React ...
+ 0 -

Messengers with the function of Walkie-Talkie (Push-To-Talk, walkie-talkie)

Messengers with the function of Walkie-Talkie (Push-To-Talk, walkie-talkie)
 
Immediately I would like to clarify that the functionality of Walkie-Talkie or Push-To-Talk is not the same as sending audio messages in regular messengers.
 
 
Moreover, none of the popular messengers - WhatsApp, Skype, Viber, Telegram, etc., does not have this capability.
 
 
The main advantage of PTT is the ability to listen to voice messages via hands-free in the real-time, without touching the smartphone and at the same time being in touch with a large number of users.
 
Voxer - one of the very first applications of the Internet radio, was founded in 2007 under ...
+ 0 -

GUI Psychology. Our perception of information and images

GUI Psychology. Our perception of information and images The target audience is : testers, designers, analysts, frontend dev, # simple for development
 
 
About me:
 
Hello. My name is Lena, I've been working for QA for just over 3 years, I've faced different projects in testing, from banking software and mobile applications to commercial and corporate sites.
 
 
On my current The previous project requirements for the GUI were in second place, after the utility of the features introduced for the user, respectively, sometimes even trivial defects # were fixed. perfectionism in the setting of . Of course, rationally evaluating ...
+ 0 -

Budget debugger to ESP-32 and its configuration

+ 0 -