这里是openkava 的blog,关注程序开发的一切技术。 ZZ 表示转载的文章,如涉及版权,请和我联系删除。 在这里你可以看到关于以下技术的文章: 移动开发技术,ANDROID ,IOS,WINDOWS PHONE平台开发,企业ERP开发,动态脚本PYTHON ,OPENGL ES 3D技术,游戏开发技术,HTML5 ,JAVASCRIPT ,MYSQL,AMAZON EC2 ,GOOGLE GAE ,GOOGLE CLOUD SQL 等 。 本站发展历程: 2010年,正式把所有的blog移到这里,租用godaddy的空间,记录生活和工作上的一些心得。 下面是关于我的个人介绍,写在这里权当凑字数啦。 职业:软件开发,开发经验6年,管理经验3年; 工作上使用的技术:C#, SQL SERVER 个人使用的技术:PYTHON,PHP, CSS, JAVA ,ANDROID ,object-c 等等 联系我请发邮件:<a href=""><img class="alignnone size-full wp-image-96" title="邮箱" src="" alt="" width="174" height="24" /></a>

What Are Public Domain Photos

What Are Public Domain Photos?#

Public domain images are completely free, copyright-free, and royalty-free. Public domain photos have fewer limitations than most stock photos, stock images, and stock photography. Because there is no copyright on these photos and images, you can use most of them for commercial purpose with few limitations. But that there may still be limitations based onpublicity or privacy or trademark laws. And remember that it is still courteous to give credit to the photographer or illustrator.




This license lets others distribute, remix, tweak, and build upon your work, even commercially, as long as they credit you for the original creation. This is the most accommodating of licenses offered. Recommended for maximum dissemination and use of licensed materials.

署名 - 相同方式共享

This license lets others remix, tweak, and build upon your work even for commercial purposes, as long as they credit you and license their new creations under the identical terms. This license is often compared to “copyleft” free and open source software licenses. All new works based on yours will carry the same license, so any derivatives will also allow commercial use. This is the license used by Wikipedia, and is recommended for materials that would benefit from incorporating content from Wikipedia and similarly licensed projects.


公有领域英语Public Domain)是人类的一部分作品与一部分知识的总汇,可以包括文章、艺术品、音乐、科学、发明等等。对于领域内的知识财产,任何个人或团体都不具所有权益(所有权益通常由版权专利体现)。这些知识发明属于公有文化遗产,任何人可以不受限制地使用和加工它们(此处不考虑有关安全、出口等的法律)。



Ownership of this post data is guaranteed by blockchain and smart contracts to the creator alone.