https://xfhelen.github.io//news/announcement_1/ 2018-08-09T03:59:00+00:00 https://xfhelen.github.io//news/announcement_2/ 2019-10-02T03:59:00+00:00 https://xfhelen.github.io//news/announcement_3/ 2020-08-21T03:59:00+00:00 https://xfhelen.github.io//news/announcement_4/ 2020-08-25T03:59:00+00:00 https://xfhelen.github.io//news/announcement_5/ 2021-01-19T03:59:00+00:00 https://xfhelen.github.io//news/announcement_7/ 2021-11-18T03:59:00+00:00 https://xfhelen.github.io//news/announcement_8/ 2021-11-26T03:59:00+00:00 https://xfhelen.github.io//news/announcement_11/ 2022-03-12T03:59:00+00:00 https://xfhelen.github.io//news/announcement_9/ 2022-10-19T03:59:00+00:00 https://xfhelen.github.io//news/announcement_10/ 2023-03-11T03:59:00+00:00 https://xfhelen.github.io//news/announcement_12/ 2023-05-01T03:59:00+00:00 https://xfhelen.github.io//news/announcement_13/ 2023-05-04T03:59:00+00:00 https://xfhelen.github.io//news/announcement_14/ 2023-08-22T03:59:00+00:00 https://xfhelen.github.io//news/announcement_15/ 2023-09-11T03:59:00+00:00 https://xfhelen.github.io//news/announcement_16/ 2023-09-29T03:59:00+00:00 https://xfhelen.github.io//news/announcement_17/ 2024-03-21T03:59:00+00:00 https://xfhelen.github.io//news/announcement_18/ 2024-03-23T03:59:00+00:00 https://xfhelen.github.io//news/announcement_19/ 2024-06-22T03:59:00+00:00 https://xfhelen.github.io//news/announcement_20/ 2024-07-11T03:59:00+00:00 https://xfhelen.github.io//news/announcement_21/ 2024-08-21T03:59:00+00:00 https://xfhelen.github.io//news/announcement_22/ 2024-10-21T03:59:00+00:00 https://xfhelen.github.io//news/announcement_23/ 2025-01-29T03:59:00+00:00 https://xfhelen.github.io//news/announcement_24/ 2025-04-27T03:59:00+00:00 https://xfhelen.github.io//news/announcement_25/ 2025-10-27T03:59:00+00:00 https://xfhelen.github.io//news/announcement_26/ 2025-11-09T03:59:00+00:00 https://xfhelen.github.io//2015/03/15/formatting-and-links.html 2015-03-15T16:40:16+00:00 https://xfhelen.github.io//2015/05/15/images.html 2015-05-15T21:01:00+00:00 https://xfhelen.github.io//2015/07/15/code.html 2015-07-15T15:09:00+00:00 https://xfhelen.github.io//2015/10/20/math.html 2015-10-20T15:12:00+00:00 https://xfhelen.github.io//2015/10/20/comments.html 2015-10-20T15:59:00+00:00 https://xfhelen.github.io//2020/09/28/twitter.html 2020-09-28T15:12:00+00:00 https://xfhelen.github.io//2020/09/28/github-metadata.html 2020-09-28T21:01:00+00:00 https://xfhelen.github.io//2021/05/22/distill.html 2021-05-22T00:00:00+00:00 https://xfhelen.github.io//projects/1_project/ 2026-03-30T02:02:04+00:00 https://xfhelen.github.io//projects/2_project/ 2026-03-30T02:02:04+00:00 https://xfhelen.github.io//projects/3_project/ 2026-03-30T02:02:04+00:00 https://xfhelen.github.io//projects/4_project/ 2026-03-30T02:02:04+00:00 https://xfhelen.github.io//projects/5_project/ 2026-03-30T02:02:04+00:00 https://xfhelen.github.io//projects/6_project/ 2026-03-30T02:02:04+00:00 https://xfhelen.github.io// https://xfhelen.github.io//blog/ https://xfhelen.github.io//mentoring/ https://xfhelen.github.io//publications/ https://xfhelen.github.io//assets/pdf/example_pdf.pdf 2026-03-30T02:01:16+00:00