本文深入探讨了信息技术领域的核心概念，包括前端开发、后端开发、移动开发、游戏开发、大数据开发、开发工具、嵌入式硬件、音视频基础、测试、基础运维、DevOps、操作系统、云计算厂商、自然语言处理、区块链、隐私计算、文档协作与知识管理等，全面阐述了每项技术的特点、应用场景及最新发展趋势。
| Letter | Date or Time Component | Presentation | Examples |
|---|---|---|---|
G | Era designator | Text | AD |
y | Year | Year | 1996 ; 96 |
M | Month in year | Month | July ; Jul ; 07 |
w | Week in year | Number | 27 |
W | Week in month | Number | 2 |
D | Day in year | Number | 189 |
d | Day in month | Number | 10 |
F | Day of week in month | Number | 2 |
E | Day in week | Text | Tuesday ; Tue |
a | Am/pm marker | Text | PM |
H | Hour in day (0-23) | Number | 0 |
k | Hour in day (1-24) | Number | 24 |
K | Hour in am/pm (0-11) | Number | 0 |
h | Hour in am/pm (1-12) | Number | 12 |
m | Minute in hour | Number | 30 |
s | Second in minute | Number | 55 |
S | Millisecond | Number | 978 |
z | Time zone | General time zone | Pacific Standard Time ; PST ; GMT-08:00 |
Z | Time zone | RFC 822 time zone | -0800 |
cc
| Date and Time Pattern | Result |
|---|---|
"yyyy.MM.dd G 'at' HH:mm:ss z" | 2001.07.04 AD at 12:08:56 PDT |
"EEE, MMM d, ''yy" | Wed, Jul 4, '01 |
"h:mm a" | 12:08 PM |
"hh 'o''clock' a, zzzz" | 12 o'clock PM, Pacific Daylight Time |
"K:mm a, z" | 0:08 PM, PDT |
"yyyyy.MMMMM.dd GGG hh:mm aaa" | 02001.July.04 AD 12:08 PM |
"EEE, d MMM yyyy HH:mm:ss Z" | Wed, 4 Jul 2001 12:08:56 -0700 |
"yyMMddHHmmssZ" | 010704120856-0700 |
cc
扫一扫
3892
被折叠的 条评论
为什么被折叠?
到【灌水乐园】发言
