In software development, testability problems are often caused by underlying design problems. If code is not testable, it is not well-designed. External dependencies like databases can present both design and testing problems, which can be solved by using the adapter pattern to encapsulate all know.. read more  

Go language makes it easy to write concurrent and parallel programs, but there are potential issues related to shared memory and synchronization. Mutexandsemaphorescan be used to address these issues. Channels are recommended for communication and synchronization between goroutines. A sample prog.. read more  

This article is a step-by-step guide forsetting up a withdrawal address for an Ethereum validatorusing thedeposit-cli tool. It walks through the process of booting a machine with a bootable Ubuntu USB, downloading and running deposit CLI, creating text files, entering mnemonic and validator data, a.. read more  

AKS support for Kubernetes release 1.26 is now in public preview. Kubernetes 1.26 delivers 37 enhancements. This release includes new improvements in general Kubernetes metrics as well as in pod scheduling... read more  

Amazon GuardDuty is expanding threat detection coverage by continuously monitoring container runtime activity on Amazon EKS to identify malicious or suspicious behavior. The new fully-managed security agent monitors on-host operating system-level behavior, file access, process execution and network.. read more  

The company says it secures more than 20%of the world’scryptocurrenciesandmore than 30%ofNFTs. The France-based crypto hardware makerraised its initial Series C of $380 million in June 2021. The extension was done at the same valuation — about $1.4 billion — when taking into account currency conver.. read more  

Casa's CTO and co-founder Jameson Lopp shared the latest version of his US seized Bitcoin sales tracker: - US government has sold 195,091.75 BTC it seized over the years for $366,493,104. - Current USD value of all sold BTC amounts to $5,543,532,076. - Potential USD gains missed so far: $5,177,038,9.. read more  

Retroactive Public Goods Funding (RetroPGF) is a mechanism used toallocate funding to builders who have positively impacted theOptimism ecosystem. In RetroPGF Round 2, 69 badgeholders voted to allocate 10M OP to 195 projects and people who have contributed to the development of the OP Stack. Fundi.. read more  

Dinerois an experimental protocol introducing an overcollateralized stablecoin ($DINERO) backed by Ethereum blockspace. It aims to democratize access to Ethereum's blockspace by providing a public and permissionless RPC for users, a decentralized stablecoin, and an ETH liquid staking token. By com.. read more  

An example code forreading Solidity eventsinPythonfrom ahigh-speed EVM blockchain. It uses the Web3.py Contract class and its Event subclass, and optimizes performance by using a thread pool reader with 16 parallel reading threads and the ujson library for decoding JSON. The code manually decodes .. read more