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Nearly all modern software products consist of multiple services. Often, long response times between service channels become a source of performance issues. The standard solution to this kind of problem is to package several inter-service requests into one bundle, known as batching. If you are using batching, you may not be satisfied with its results in terms of performance or code clarity. This method is not so simple […]
Coreboot 4.11 has been released — a free alternative to proprietary UEFI/BIOS firmware used for the initial hardware initialization before handing over control to a payload, such as SeaBIOS or GRUB2. Coreboot is very minimalist, and it also provides extensive options for embedding various payloads like the coreinfo utility for detailed system information and the game Tetris, as well as floppy disk operating systems: Kolibri, FreeDOS, MichalOS, Memtest, […]
A vulnerability (CVE-2019-18934) has been identified in the Unbound DNS server, which can lead to the attacker's code execution upon receiving specially crafted responses. Systems are only affected when Unbound is built with the ipsec module ("—enable-ipsecmod") and ipsecmod is enabled in settings. The vulnerability has been present since version 1.6.4 and has been fixed in the Unbound 1.9.5 release. This vulnerability arises from the passing of unescaped characters when calling the shell command ipsecmod-hook, […]
An update for the Solaris 11.4 operating system, SRU 15 (Support Repository Update), has been released, offering a series of additional fixes and improvements for the Solaris 11.4 branch. To install the fixes proposed in the update, simply execute the command 'pkg update'. In this release: Oracle Explorer has been updated to version 19.4, a toolkit for building detailed profiles of system configuration and status; new modules have been added […]
Mozilla has announced the expansion of its initiative to offer monetary rewards for identifying security issues in infrastructure elements related to the development of Firefox. The bounty amounts for discovering vulnerabilities on Mozilla's websites and services have been doubled, and the bounty for identifying vulnerabilities that could lead to code execution on critical sites has been increased to $15,000 […]
The mobile operating system Android is based on the Linux kernel, but it is not standard; it's heavily modified. It includes 'upgrades' from Google, chip manufacturers Qualcomm and MediaTek, as well as OEM producers. Now, reportedly, the 'corporation of good' intends to transition its system to the main version of the kernel. At this year's Linux Plumbers Conference, Google engineers conducted […]
Microsoft plans to integrate several Google services with its email service Outlook.com. Some time ago, Microsoft began testing the integration of Gmail, Google Drive, and Google Calendar on certain accounts, as shared by one of the participants in this process on Twitter. During the setup, users need to link their Google and Outlook.com accounts, after which Gmail, Google […]
Recently, Microsoft introduced a new operating system called Windows 10X. According to the developer, it is based on the regular 'ten', but it also differs significantly from it. In the new OS, the classic 'Start' menu will be removed, along with other changes. However, the main innovation will be the unification of the desktop and mobile versions of the OS. And while it is still unclear what exactly is in store […]
The TopCoder Open 2019 finals took place in Houston from November 13 to 16, where Gena Korotkevich (Belarus) secured first place in both competitive tracks: Algorithm and Marathon. No one has achieved this in a single year before! This is a fantastic conclusion to the 2019 season, in which Gena had already triumphed in the finals of two other major competitions: Google Code Jam and […]
Following 'Our Winners: TopCoder Open 2019', I am publishing the problems from the Algorithm track (classic competitive programming. You have one and a half hours to solve three problems in Java, C#, C++ or Python.) 1. Pie for Six Problem Statement Time limit — 4 seconds. You have a pie. If viewed from above, the pie takes the shape of a (strictly) convex polygon. You are given the coordinates […]
At the recent Linux Plumbers 2019 conference, Google presented advancements in the initiative to merge changes developed for the Android kernel variant into the main Linux kernel. The ultimate goal is to enable the use of a single common kernel for Android, rather than preparing separate builds based on the Android-specific branch of the Android Common Kernel for each device. This goal […]
Oracle has released the universal virtual machine GraalVM 19.3.0, which supports running applications in JavaScript (Node.js), Python, Ruby, R, any languages for the JVM (Java, Scala, Clojure, Kotlin), and languages that can generate LLVM bitcode (C, C++, Rust). Version 19.3 is categorized as a long-term support (LTS) release and is notable for its support of JDK 11, among other features […]