Technology Daily - 2019/03/07

最新推荐文章于 2020-08-30 12:14:47 发布
最新推荐文章于 2020-08-30 12:14:47 发布
阅读量270 收藏
点赞数
分类专栏： Technology Daily
版权声明：本文为博主原创文章，遵循 CC 4.0 BY-SA 版权协议，转载请附上原文出处链接和本声明。
本文链接：https://blog.youkuaiyun.com/onepedalo/article/details/88322037
版权
本文精选了近期的技术文章，包括高效找出海量数据集的中位数方法，深入探讨Git的高级使用技巧，介绍Lisp编程语言的五十年历史，揭示Windows中被忽视的WIN键实用功能，以及分享外部内存算法和数据结构的知识。此外，还提供了DNS预取技术的实现方法，免费字体资源，Vue中权限控制的优雅实践，敏捷开发入门指南，OpenCV4中的人脸地标检测，Linux手册页的全文搜索，Git分支发布的简单流程，Myspace的编码遗产，链接预加载提升页面加载速度，JavaScript数组操作技巧，使用SPARK构建CubeSat纳米卫星的学生项目，Windows计算器的强大功能，ReactOS 0.4.11版本的发布，迁移学习的理解和PyTorch项目，以及在Rust中构建快速解释器的方法。

摘要生成于 C知道 ，由 DeepSeek-R1 满血版支持， 前往体验 >

  • 2019/03/07
  1. 从海量数据中找出中位数 https://www.weibo.com/ttarticle/p/show?id=2309404347309205904984
  2. 花点时间顺顺Git（下） https://blog.youkuaiyun.com/P6P7qsW6ua47A2Sb/article/details/84879889
  3. Let Over Lambda—50 Years of Lisp https://letoverlambda.com/
  4. Windows 被冷落的 WIN 键，其实比你想的更好用 https://zhuanlan.zhihu.com/p/58488051?utm_source=weibo&utm_campaign=market2240
  5. Algorithms and Data Structures for External Memory http://www.ittc.ku.edu/~jsv/Papers/Vit.IO_book.pdf
  6. DNS Prefetching 技术引入及实现方法 http://blogread.cn/it/article/5399?f=wb_news
  7. 免费字体获取和使用指南 https://sspai.com/post/42889
  8. 如何优雅的在 vue 中添加权限控制 https://juejin.im/post/5c7bae3ff265da2db27950f3?utm_medium=hao.caibaojian.com&utm_source=hao.caibaojian.com
  9. 敏捷开发入门教程 http://www.ruanyifeng.com/blog/2019/03/agile-development.html
  10. Facial Landmark Detection in OpenCV4 https://levelup.gitconnected.com/facial-landmark-detection-in-opencv4-616f9c1737a5
  11. Full text searching Linux man pages with Elasticsearch https://iridakos.com/tutorials/2018/04/12/elasticsearch-linux-man-pages.html
  12. Simple Flow To Release A Branch On Git https://git.tutorials24x7.com/blog/simple-flow-to-release-a-branch-on-git
  13. MySpace and the Coding Legacy it Left Behind https://news.codecademy.com/myspace-coding-legacy/?utm_source=wanqu.co&utm_campaign=Wanqu+Daily&utm_medium=website
  14. ⚡️Faster subsequent page-loads by prefetching in-viewport links during idle time https://github.com/GoogleChromeLabs/quicklink
  15. JavaScript数据结构与算法——数组 https://segmentfault.com/a/1190000018132155?utm_medium=hao.caibaojian.com&utm_source=hao.caibaojian.com&share_user=1030000000178452
  16. Ten Years of Using SPARK to Build CubeSat Nano Satellites With Students https://blog.adacore.com/ten-years-of-using-spark-to-build-cubesat-nano-satellites-with-students
  17. Windows Calculator: A simple yet powerful calculator that ships with Windows https://github.com/Microsoft/calculator
  18. ReactOS 0.4.11 released https://reactos.org/project-news/reactos-0411-released
  19. 迁移学习不好懂？这里有一个PyTorch项目帮你理解 https://mp.weixin.qq.com/s?__biz=MzI3MTA0MTk1MA==&mid=2652040043&idx=5&sn=8ede806bdb7d512159209959b3a0dac8&chksm=f1219f9ac656168c147870073f5f0bfa078c112ce27de1ccf8681731d0ee481841534edd0519&xtrack=1&scene=0&subscene=93&clicktime=1551915384&ascene=7&devicetype=android-28&version=2700033b&nettype=WIFI&abtest_cookie=BAABAAoACwASABMABAAjlx4AVpkeAMGZHgDXmR4AAAA%3D&lang=zh_CN&pass_ticket=2sJjP5vklCuRvjS06dTqoACP3DKmzF6AYAIiKfKWY24%3D&wx_header=1
  20. Building fast interpreters in Rust https://blog.cloudflare.com/building-fast-interpreters-in-rust/
  21. ⚡List of awesome web performance metrics https://github.com/csabapalfi/awesome-web-performance-metrics#awesome-web-performance-metrics
  22. In UNIX Everything is a File https://ph7spot.com/musings/in-unix-everything-is-a-file?utm_source=wanqu.co&utm_campaign=Wanqu+Daily&utm_medium=website
北斗导航 | 北斗/GNSS相关数据下载：IGS/IGMAS/MGEX/DCB/brdc/gamit/bernese/rinex等
尘世冰封的专栏
09-01 3021
北斗/GNSS相关数据下载：IGS/IGMAS/MGEX/DCB/brdc/gamit/bernese/rinex等
高并发与负载均衡-nginx-安装配置2
12-15 825
[root@centos7-1 system]# chkconfig 注：该输出结果只显示 SysV 服务，并不包含 原生 systemd 服务。SysV 配置数据 可能被原生 systemd 配置覆盖。 要列出 systemd 服务，请执行 'systemctl list-unit-files'。 查看在具体 target 启用的服务请执行 'syste...
Technology Daily - 2019/03/05
onepedalo的博客
03-05 573
2019/03/05 阿里毕玄现身说法：程序员成长路线 https://mp.weixin.qq.com/s?__biz=MjM5ODQ2MDIyMA==&mid=2650715534&idx=1&sn=8f7ff38cb6b0f79e5a36fe8b580a14b3&chksm=bec07bdd89b7f2cb087eff9d8992ade1150db95...
Technology Daily - 2019/02/27
onepedalo的博客
02-27 438
2019/02/27 10 Instagram Tools to Grow Your Client’s Audience https://medium.com/m/global-identity?redirectUrl=https%3A%2F%2Fhackernoon.com%2F10-instagram-tools-to-grow-your-clients-audience-2f4e0c...
Technology Daily - 2019/03/02
onepedalo的博客
03-02 244
2019/03/02 GANSynth: Making music with GANs https://magenta.tensorflow.org/gansynth AI For Everyone | Coursera - by Andrew Ng https://www.coursera.org/learn/ai-for-everyone vim.dev Redirects to Em...
Technology Daily - 2019/03/08
onepedalo的博客
03-08 235
2019/03/08 #女神节快乐# 致敬生活中的女神们，世界因你们而美丽~~ GIT提交规范的使用和总结 https://www.jianshu.com/p/1850c040271f 了解这 12 个概念，让你的 JavaScript 水平更上一层楼 https://www.infoq.cn/article/3L*kK19KH2Ey7GIVBGsN?utm_medium=hao.cai...
Technology Daily - 2019/03/03
onepedalo的博客
03-03 167
2019/03/03 A list of awesome beginners-friendly projects. https://github.com/MunGell/awesome-for-beginners 如何使用 Linux Cockpit 来管理系统性能 https://linux.cn/article-10583-shareweibo.html 两款 Linux 桌面中的图形...
Technology Daily - 2019/03/06
onepedalo的博客
03-06 593
2019/03/06 Kraken: uber开源的基于P2P的docker镜像仓库，专注于可扩展性和可用性 https://github.com/uber/kraken The Shutdown Problem: How Does a Blockchain System End? https://arxiv.org/ftp/arxiv/papers/1902/1902.07254.pdf...
Technology Daily - 2019/03/04
onepedalo的博客
03-04 275
2019/03/04 在 Firefox 上使用 Org 协议捕获 URL https://linux.cn/article-10586-shareweibo.html Simple, correct, fast: in that order https://drewdevault.com/2018/07/09/Simple-correct-fast.html?utm_source=wan...
Technology Daily - 2019/03/01
onepedalo的博客
03-01 183
2019/03/01 Playing with Geometry/Spatial Data Type in MySQL https://medium.com/@thatisuday/playing-with-geometry-spatial-data-type-in-mysql-645b83880331 A faster, more efficient cryptocurrency htt...
Unit-2-Science-and-Technology(1).pdf
04-26
标题为"Unit-2-Science-and-Technology(1).pdf"，虽然没有明确指出具体话题，但从描述和部分内容来看，我们可以推测这是关于科技与社会，特别是计算机科学技术的一个单元。 在Exercise 1的听力理解部分，提到了四个...
关于OTAs平台上的客户在线评论与酒店业之间的研究 - 3）研究方法
RZi77的博客
08-30 3246
3.0 Methodology 3.1 Introduction This report collects and generates information about customer reviews of hotels on the OTA to determine whether and how different types of customers have different demand and requirements for each element of the h..
"基于ARM9的μC/OS-Ⅱ嵌入式系统移植设计论文
based μC/OS-II embedded system transplantation at Daqing Normal University" are two significant academic works that explore the integration of technology into various aspects of daily life and ...
3 Android SqliteManager 源码.zip
最新发布
04-29
3 Android SqliteManager 源码.zip
基于S7-200 PLC的煤矿排水系统智能控制：三台水泵联动与备援策略
04-29
内容概要：本文详细介绍了基于S7-200 PLC的煤矿排水系统智能控制方案，重点讨论了三台水泵（两台工作水泵和一台备用水泵）的联动与备援策略。系统通过超声波液位传感器实时监测水位，根据不同水位情况自动控制水泵的启停。具体而言，水位低时不启动水泵，水位介于中水位和高水位之间时启动1号水泵，水位超过高水位则启动1号和2号水泵共同工作。若1号或2号水泵出现故障，系统会自动启用3号备用水泵。此外，MCGS6.2组态画面用于实时监控水位和水泵状态，帮助操作员及时应对异常情况，确保矿井安全。 适合人群：从事煤矿自动化控制领域的技术人员、矿业工程管理人员及相关研究人员。 使用场景及目标：适用于需要提高煤矿排水系统自动化水平的场合，旨在提升矿井排水效率和安全性，减少人工干预，确保矿井生产安全。 其他说明：文中提到的技术方案不仅提高了排水系统的可靠性，还为未来的智能化矿山建设提供了有益借鉴。
scratch少儿编程逻辑思维游戏源码-灌篮之王.zip
04-29
scratch少儿编程逻辑思维游戏源码-灌篮之王.zip
scratch少儿编程逻辑思维游戏源码-飞翔马里奥(2).zip
04-29
scratch少儿编程逻辑思维游戏源码-飞翔马里奥(2).zip
scratch少儿编程逻辑思维游戏源码-火柴人大战 中世纪战争.zip
04-29
scratch少儿编程逻辑思维游戏源码-火柴人大战 中世纪战争.zip
scratch少儿编程逻辑思维游戏源码-几何冲刺(2).zip
04-29
scratch少儿编程逻辑思维游戏源码-几何冲刺(2).zip
100Gb/s PDM-QPSK
03-03
### 100 Gb/s Polarization Division Multiplexing Quadrature Phase Shift Keying Technology #### Overview of PDM-QPSK Polarization division multiplexing combined with quadrature phase shift keying (PDM-QPSK) is a modulation technique that significantly increases the transmission capacity over single-wavelength channels by utilizing both polarizations of light and advanced signal processing techniques. This method has become an industry standard due to its efficient bandwidth utilization and excellent interference resistance properties[^2]. The core principle behind QPSK involves dividing binary sequences into groups of two bits each, resulting in four distinct states represented by different phases of the carrier wave separated by π/2 radians. Each pair corresponds uniquely to one out of four possible initial phases on the carrier waveform, effectively converting the baseband information from binary form into quaternary format[^3]. When this scheme is further enhanced through polarization multiplexing, it allows simultaneous transmission along orthogonal axes within the same optical channel. #### System Architecture for Coherent Optical Communication at 100 Gb/s Using Optisystem Software To implement such high-speed communications systems operating at rates up to 100 gigabits per second using PDM-QPSK signaling requires sophisticated design considerations across multiple domains including optics, electronics, as well as digital signal processing algorithms implemented via software tools like MATLAB or specialized platforms designed specifically around photonic simulation environments such as OptiSystem: - **Transmitter Module**: Generates modulated signals based upon input data streams which are then split between X & Y axis before being encoded onto respective carriers. - **Transmission Medium**: Utilizes fiber optic cables optimized for minimal loss characteristics while supporting higher bitrates without significant degradation issues even over long distances exceeding thousands kilometers when paired appropriately alongside dispersion compensation methods where necessary. - **Receiver Unit**: Employs coherent detection schemes capable of demodulating complex multi-level formats efficiently; post-processing steps involve equalization followed by symbol decision making processes ultimately recovering original transmitted payload accurately despite potential impairments encountered during transit. ```matlab % Example Code Snippet Demonstrating Basic DSP Algorithm Implementation For Decoding Received Signal In Matlab Environment function decoded_bits = decode_pdm_qpsk(received_signal) % Perform synchronization and timing recovery here... % Equalize received symbols eq_symbols = equalizer_function(received_signal); % Demap constellation points back to bits decoded_bits = []; for k=1:length(eq_symbols)/2 idx_x = 2*k-1; idx_y = 2*k; point = [real(eq_symbols(idx_x)), imag(eq_symbols(idx_y))]; [~, nearest_idx] = min(sum((point - qpsk_constellation).^2)); decoded_bit_pair = degray_code(nearest_idx); %#ok<DEMG> decoded_bits = [decoded_bits ; num2str(decoded_bit_pair)-'0']; end end ``` #### Applications Within Information Technology Field In today's rapidly evolving technological landscape characterized by increasing demands placed upon network infrastructures supporting diverse applications ranging from cloud computing services down to consumer-grade entertainment offerings requiring ultra-low latency connections coupled together seamlessly – all these factors contribute towards driving forward advancements seen recently regarding deployment strategies surrounding next-generation passive optical networks (NG-PON). Specifically targeting residential broadband access solutions aiming beyond current standards set forth previously established under GPON specifications toward newer paradigms embodied now within proposals concerning 25G PON and eventually progressing onward reaching speeds potentially surpassing those offered currently available commercially viable options existing presently day-to-day operations conducted online daily basis worldwide scale[^4].
评论
添加红包

请填写红包祝福语或标题

个

红包个数最小为10个

元

红包金额最低5元

当前余额3.43元 前往充值 >
需支付：10.00元
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付元
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明：

1.余额是钱包充值的虚拟货币，按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载，可以购买VIP、付费专栏及课程。

余额充值