Author: ProHoster

Improving Wi-Fi performance. General principles and useful things

Everyone who collected, bought, or at least tuned a radio receiver probably heard such words as: sensitivity and selectivity (selectivity). Sensitivity - this parameter indicates how well your receiver can receive a signal even in the most remote areas. And selectivity, in turn, shows how well the receiver can tune to a particular frequency without the influence of other frequencies. […]

Flexible and transparent: the Japanese introduced a "full-frame" fingerprint sensor

The annual Society of Information Display (SID) conference will be held May 14-16 in San Jose, California. For this event, the Japanese company Japan Display Inc. (JDI) has prepared an announcement of an interesting solution among fingerprint sensors. The new product, as reported in a press release, combines developments for fingerprint sensors on a glass substrate with a capacitive sensor and production technology on flexible plastic […]

Cooler Master SK621: $120 compact wireless mechanical keyboard

Cooler Master introduced three new wireless mechanical keyboards earlier this year at CES 2019. Less than six months later, the manufacturer decided to release one of them, namely SK621. The new product belongs to the so-called “sixty percent keyboards”, that is, it has extremely compact dimensions and lacks not only a number pad, but also a number of functional […]

Teasers confirm the presence of a quad camera in the smartphone Honor 20

On May 21, the Honor 20 family of smartphones will debut at a special event in London (UK). Huawei, the owner of the brand, has published a series of teaser images confirming the presence of a quad camera. The new products will provide the widest possibilities in terms of photo and video shooting. In particular, the macro mode is mentioned. Smartphones will receive an optical zoom system. According to unofficial information, the Honor 20 model will be equipped […]

Why you should participate in hackathons

About a year and a half ago, I started participating in hackathons. During this time period, I managed to take part in more than 20 events of various sizes and topics in Moscow, Helsinki, Berlin, Munich, Amsterdam, Zurich and Paris. In all events, I was engaged in data analysis in one form or another. I like to come to new cities for myself, […]

The dark side of hackathons

In the previous part of the trilogy, I discussed several reasons to participate in hackathons. The motivation to learn a lot of new things and win valuable prizes attracts many, but often, due to mistakes by the organizers or sponsoring companies, the event ends unsuccessfully and the participants leave dissatisfied. To make such unpleasant incidents happen less often, I wrote this post. The second part of the trilogy is dedicated to the mistakes of the organizers. The post is organized by the following […]

Video: puzzles, colorful world and plans for Trine 4 developers

The official Sony YouTube channel has released a developer diary for Trine 4: The Nightmare Prince. The authors from the independent studio Frozenbyte told us what their next game will be like. First of all, a return to the roots is emphasized - no more experiments, which marked the third part. The developers want to make Trine 4 a colorful platformer in the spirit of the first part, but on a larger scale. They approve, […]

The Yandex.Games platform became available to third-party developers

Yandex has announced the opening of its gaming platform to third-party developers: now those who wish will be able to post their games in the catalog at yandex.ru/games. The Yandex.Games platform is a catalog of browser games that can be run on both mobile devices and personal computers. At the same time, it is possible to synchronize achievements and progress between different gadgets. Opening up the platform means that third-party […]

The evolution of the architecture of the trading and clearing system of the Moscow Exchange. Part 1

Hi all! My name is Sergey Kostanbaev, at the Exchange I am developing the core of the trading system. When they show the New York Stock Exchange in Hollywood movies, it always looks like this: crowds of people, everyone yelling something, waving papers, there is complete chaos. We have never had anything like this on the Moscow Exchange, because from the very beginning trading has been conducted electronically and […]

CJM for false positives of DrWeb antivirus

The chapter in which Doctor Web removes the Samsung Magician service DLL, declaring it a Trojan, and in order to leave a request to the technical support service, you must not only register on the portal, but indicate the serial number. Which, of course, is not, because DrWeb sends a key during registration, and the serial number is generated during the registration process using the key - and is not stored ANYWHERE. […]

MegaSlurm for Kubernetes engineers and architects

Kubernetes intensives will start in 2 weeks: Slurm-4 for those who get acquainted with k8s and MegaSlurm for k8s engineers and architects. Slurm-4 has the last 10 seats left in the hall. There are enough people who want to master k8s at a basic level. For an Ops who is getting to know Kubernetes, starting a cluster and deploying an application is already a good result. Dev has requests and […]

Chernobylite raised twice the amount of funds requested on Kickstarter

Polish studio The Farm 51 announced that the Chernobylite crowdfunding campaign on Kickstarter was a great success. The authors requested $100 thousand, but received $206 thousand from people who wanted to go to the Chernobyl exclusion zone. Users also unlocked additional goals with their donations. The developers noted that the funds raised will help add two new locations - the Red Forest and the Nuclear Power Plant. […]