A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.
Powerful coding training system. LintCode has the most interview problems covering Google, Facebook, Linkedin, Amazon, Microsoft and so on. We provide Chinese and English versions for coders around the world.
Online Vectorizer: Online raster to vector converter. Convert your images (jpeg, jpg or png) into scalable and clear vector art (svg,eps,dxf).
Easily create even complex LaTeX tables with our online generator – you can paste data from a spreadsheet, merge cells, edit borders and more.
Search safely while having your privacy respected. The digital knowledge of the world must be freely accessible without paternalism and abide by states or corporations.
郑州轻工业大学在线学习平台onlinelearning.zzuli.edu.cn平台汇集了国内外各学科领域数百位名师讲授的405门通识类视频课程，涵盖综合素养、通用能力、创新创业、成长基础、公共必修、考研辅导六个范畴，学生通过该平台可以选修学分。
Wolfram|Alpha brings expert-level knowledge and capabilities to the broadest possible range of people—spanning all professions and education levels.与其他搜索引擎不同，WolframAlpha其实是一个计算知识引擎，它真正的创新之处在于能够马上理解问题，并给出答案。它可以进行各种算术，还有数据分析，物理，艺术等等各个行业的查询。
搜芯易(Sourcengine.cn)的母公司Sourceability是一家专注于电子元器件行业的数字解决方案提供商, 客户可从3000多个可追溯的全球电子元器件供应商处一站式购齐, 在线完成元器件的价格、实用性及货期对比; 搜芯易同时提供在线查看5.5亿电子元器件的数据表(datasheet)，元器件技术及合规性信息及替代元器件推荐服务。我们支持在线物料清单(BOM)配单服务, 只需发布一份订单(PO)即可一站式购齐。搜芯易提供一套数字化采购工具, 包括BOM管理、报价和产品目录管理工具, 为企业提高供应链管理效率。
Dieline is a bespoke creative platform that exists to serve the packaging community. Our mission is to build a global community of practitioners and to advocate the packaging industry towards more sustainable solutions through creativity and innovation
Artsy is the world’s largest online art marketplace. Browse over 1 million artworks by iconic and emerging artists from 4000+ galleries and top auction houses.
