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#General #Development #Mobile Development #Cloud & DevOps #Cybersecurity & Privacy #AI & Data Science #Hardware & Gadgets #Design & UXIssue 289
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Issue 288
WWDC is leaving San Francisco for San Jose & Swift 4 and ABI stability.
Ethereum R&D Roundup: Valentineβs Day Edition
During the last month and a half, the Ethereum core development and research teams have been building upon the progress made in the last year, and with the specter of last year's security issues now well behind us, work has begun in full force on implementing the Metropolis hard fork....
Issue 287
More conversion stories to/from Swift and should iOS 11 make more of the "pressed" state on buttons and controls?
Issue 286
The end of 32 bit apps, get your after effects animations into your app and should you build your next app in Elm?
Issue 285
Responding to App Store reviews Finally.
Issue 284
Automate your screencasts and learn more about what's coming with strings in Swift 4.
An Update on Integrating Zcash on Ethereum (ZoE)
Members of the Ethereum R&D team and the Zcash Company are collaborating on a research project addressing the combination of programmability and privacy in blockchains. This joint post is being concurrently posted on the Zcash blog,and is coauthored by Ariel Gabizon (Zcash) and Christian Reitwiessner (Ethereum). Ethereumβs flexible smart...
Issue 283
10 years of iPhone and Chris Lattner moving to Tesla!
Introduction of the Light Client for DApp developers
The first version of the Light Ethereum Subprotocol (LES/1) and its implementation in Geth are still in an experimental stage, but they are expected to reach a more mature state in a few months where the basic functions will perform reliably.The light client has been designed to function more or...
Issue 282
Happy New Year How about starting your year with some iOS links?
December Roundup
December marks a month of continued progressin the Ethereum ecosystem. Research on proof of stake and sharding continues after the research team's workshop in Singapore in November, the light client slowly keeps getting better, Whisper and Swarm keep moving forward, and discussions on protocol economics and community governance co...
Security alert [12/19/2016]: Ethereum.org Forums Database Compromised
On December 16, we were made aware that someone had recently gained unauthorized access to a database from forum.ethereum.org. We immediately launched a thorough investigation to determine the origin, nature, and scope of this incident. Here is what we know: The information that was recently accessed is...
Issue 281
2016 is drawing to an end and I'm taking a couple of weeks off. See you in the new year!
Swarm alpha public pilot and the basics of Swarm
With the long awaited geth 1.5 ("let there bee light") release, Swarm made it into the official go-ethereum release as an experimental feature. The current version of the code is POC 0.2 RC5 -- "embrace your daemons" (roadmap), which is the refactored and cleaner version of the codebase that was...
Issue 280
Want your console output directly inside your app? All the Xcode shortcuts you can handle and more reactive programming,.
The History of Casper - Chapter 2
This chapter describes the game theory and economic security modelling we were doing in the Fall of 2014. It recounts how the "bribing attacker model" led our research directly to a radical solution to the long range attack problem....
The History of Casper - Chapter 1
Vitalik suggested last week that I share my basic research and design philosophy in a blog post, I agreed but complained that it was still changing. My friend Jon West told me that everyone would really appreciate it if I told everyone about my Casper research, I mostly agreed. Then...
zkSNARKs in a nutshell
The possibilities of zkSNARKs are impressive, you can verify the correctness of computations without having to execute them and you will not even learn what was executed - just that it was done correctly. Unfortunately, most explanations of zkSNARKs resort to hand-waving at some point and thus they remain something...
Ethereum Research Update
This week marks the completionof our fourth hard fork, Spurious Dragon,and the subsequent state clearing process, the final steps in the two-hard-fork solution to the recent Ethereum denial of service attacks that slowed down the network in September and October. Gas limits are in the proce...
Issue 279
Refactor your Swift code? Finally! Will we see async/await in Swift? and how to get paid!
Security alert [11/24/2016]: Consensus bug in geth v1.4.19 and v1.5.2
Security Alert Affected configurations: Geth Severity: High Summary: An issue has been identified with Geth's journaling mechanism. This caused a network fork at block #2686351 (Nov-24-2016 14:12:07 UTC). The...
Issue 278
Bring After Effects animations into your apps. Converting Objective-C to Swift, gradually and which modal style should you use?
Hard Fork No. 4: Spurious Dragon
The Ethereum network will be undergoing a hard fork at block number 2,675,000, which will likely occur between 15:00 and 16:00 UTC on Tuesday, November 22, 2016. A countdown timer can be seen at https://fork.codetract.io/. The Morden test network will be undergoing a hard fork at block number 1,885,000....
Issue 277
The App Store clean up has started! Better beta diffs on the Apple documentation site and do you want to build Zork in Swift?
Whoa⦠Geth 1.5
The Go Ethereum team isvery proud to finally release Geth 1.5, which can almost be called a complete internal rewrite of the Go Ethereum (go-ethereum) codebase. We've packed a huge number of changes into this release, and simply listingthem wouldn't do them justice. Instead, we've decided to write them...
Issue 276
Link directly to your tvOS apps, finally! Should Swift arrays be forced to always have content? and how to easily do TDD in Swift Playgrounds.
Analysis of Storage Corruption Bug
This blog post providesan update onour findings following the discovery of the storage corruption bug last week. Insummary, the bugwasmuch less severe than we initially thought. The small number of affected contracts we found is either only exploitable by the owner, or the exploit can only cause a disruption in...
Issue 275
Say goodbye to Swift 2.x soon. How to deploy your Vapor apps to the web and a new Markdown parser in Swift.
Security Alert - Solidity - Variables can be overwritten in storage
Summary: In some situations, variables can overwrite other variables in storage. Affected Solidity compiler versions: 0.1.6 to 0.4.3 (including 0.4.4 pre-release versions) Detailed description: Storage variables that are smaller than 256 bits are packed together into the same 256 bit slot if they can fit. If a...
Uncle Rate and Transaction Fee Analysis
One of the important indicators of how much load the Ethereum blockchain can safely handle is how the uncle rate responds to the gas usage of a transaction. In all blockchains of the Satoshian proof-of-work variety, any block that is published has the risk of howbecoming a "stale", ie. not...
Issue 274
The TouchBar! Links to all the developer APIs for it. How do you use NSCoding with structs and more on analytics in your apps.
Security Alert - Mist can be vulnerable when navigating to malicious DApps
Mist leaks some low level APIs, which Dapps could use to gain access to the computer's file system and read/delete files. This would only affect you if you navigate to an untrusted Dappthatknows about these vulnerabilities and specifically tries to attack users. Upgrading Mist is highly recommended to prevent exposure...
Issue 273
CocoaPods 1.1 released. Speed up your simulator builds and taming the NSTimer API