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## Write fencing related to schema change
Hi, I was reading the paper "Online, Asynchronous Schema Change in F1" while reading the code in TiDB related to schema change.
> Our schema change prot…
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### 背景
在分布式系统中，由于每台机器产生的时间戳无法达成共识，导致每台机器从自身读取的时间戳变得毫无意义。在不想引入中心时间戳产生器的场景下，我们可以通过ntp服务，不断地校准每台机器的时间，但是这种方式得到的时间戳依然无法从理论上证明其正确性。在Google Spanner论文中，提出来了一个很有趣的关于时间的想法，就是假设每台机器产生的时间戳是有误差的，但是误差的增长速率是有上界的。在…
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The availability of accurate clocks is improving via products such as the [OpenCompute Time Appliance](https://www.opencompute.org/wiki/Time_Appliances_Project) and [AWS Time Sync](https://docs.aws.am…
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### New bug checklist
- [x] I have updated `smtpmock` to the latest version
- [x] I have read the [Contribution Guidelines](https://github.com/mocktools/go-smtp-mock/blob/master/CONTRIBUTING.m…
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## The process
When a development cycle is finished, the app should be translated:
1. Using XCode to generate xliff-files and push the the files to a github repo.
2. Using Crowdin.com for translati…
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- It found that adding redundant networking gear doesn’t reduce faults as much as you might hope, since it doesn’t guard against human error (e.g., misconfigured switches), which is a major cause of o…
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Fatal Exception: io.reactivex.exceptions.UndeliverableException: The exception could not be delivered to the consumer because it has already canceled/disposed the flow or the exception has nowhere to …
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I found this error in my firebase console, i couldn't find any solution for this kind of error, please check your library for this error. I leave all details of error:
```
Caused by java.lang.Ru…
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**Summary:**
As spoofing GNSS signals becomes an increasing area of concern, I’d like to add a new features to GPSTest that includes various metrics that may give some indication that a GNSS signa…
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### Description
I'm developing an iOS app with SwiftUI using Xcode 15.3 and Firebase SDK 11.3.0. The app relies on Firebase Realtime Database to monitor foodEntries with observers for real-time upd…