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本文是《OKR 之剑》系列之理念第 2 篇。 本文介绍了vivo互联网平台产品研发团队引入OKR的实践经验,并以此总结出适用于其他企业引入OKR的必要步骤和过程。对乐于了解和探索OKR的管理者们有非常好的参考和借鉴意义。

108 Management lddgo Shared on 2022-11-10

本文主要介绍在行为分析场景下,随着接入应用以及DAU日益增加,如何针对ClickHouse JOIN进行优化,提升执行效率、降低错误率。

186 Technology lddgo Shared on 2022-11-10

本文通过图文的方式详细介绍了在淘宝App中如何使用3D相关技术,优化淘宝App中的数字藏品的展示。从背景介绍、方案设计、模型预处理,模型处理、脚本操作等过过程出发来介绍,同时重点分析了其中的一些核心技术问题的解法。希望通过这篇文章,能够给初次接触 blender 和 unity 的前端开发同学有一定的启发和参考。

284 Technology lddgo Shared on 2022-11-10

“递归” (recursion) 是一种在程序设计语言中被广泛使用的算法。它有两大特点,一是调用自己,二是化繁为简。我们当中那些优秀的技术人又何尝不是如此?他们以身作则,用实际行动影响身边的人,规范了流程、提高了效能,使整个团队从中得益。这就是我们「递归」栏目的初心,记录平凡腾讯技术人的不平凡。

142 Technology lddgo Shared on 2022-11-10

随着移动互联网的深入发展,视频消费场景逐渐变成主流,早期由于手机硬件的限制问题,导致生产出来的视频画质、清晰度存在较大的问题,用户体验不太好,当时的网络也处于4G的发展阶段,网络的限制也无法持续支持高清视频的消费,但是现在5G发展地如火如荼,网络的高速发展,手机硬件性能的提升,用户越来越不满足于低画质和低清晰度的视频。提升视频的画质和清晰度势在必行,需要一套行之有效提升视频清晰度的优化方案。

183 Technology lddgo Shared on 2022-11-10

是什么让 Web 3.0 与 Web 2.0 如此不同?本文使用以太坊生态作为例子,从 Web 2.0 开始,由浅入深,一步步介绍 Web 3.0 的应用架构。

229 Technology lddgo Shared on 2022-11-10

用户生成内容(User Generated Content,UGC)是互联网上多模态内容的重要组成部分,UGC数据级的不断增长促进了各大多模态内容平台的繁荣。在海量多模态数据和深度学习大模型的加持下,AI生成内容(AI Generated Content,AIGC)呈现出爆发性增长趋势。其中,文图生成(Text-to-image Generation)任务是流行的跨模态生成任务,旨在生成与给定文本对应的图像。典型的文图模型例如OpenAI开发的DALL-E和DALL-E2。近期,业界也训练出了更大、更新的文图生成模型,例如Google提出的Parti和Imagen,基于扩散模型的Stable Diffusion等。

121 Technology lddgo Shared on 2022-11-10

When I’m solving a problem, especially if it’s a new problem, I don’t initially think about whether concurrency is a good fit or not. I look for a sequential solution first and make sure that it’s working. Then after readability and technical reviews, I will begin to ask the question if concurrency is reasonable and practical. Sometimes it’s obvious that concurrency is a good fit and other times it’s not so clear.

129 Technology lddgo Shared on 2022-11-09

In the first part of this scheduling series, I explained aspects of the operating-system scheduler that I believe are important in understanding and appreciating the semantics of the Go scheduler. In this post, I will explain at a semantic level how the Go scheduler works and focus on the high-level behaviors. The Go scheduler is a complex system and the little mechanical details are not important. What’s important is having a good model for how things work and behave. This will allow you to mak

154 Technology lddgo Shared on 2022-11-09

The design and behavior of the Go scheduler allows your multithreaded Go programs to be more efficient and performant. This is thanks to the mechanical sympathies the Go scheduler has for the operating system (OS) scheduler. However, if the design and behavior of your multithreaded Go software is not mechanically sympathetic with how the schedulers work, none of this will matter. It’s important to have a general and representative understanding of how both the OS and Go schedulers work to design

143 Technology lddgo Shared on 2022-11-09