大约有 42,000 项符合查询结果(耗时:0.0557秒) [XML]
Check if a string matches a regex in Bash script
...1...09 either 01..09 end of line
# start of line or 10,11,12 or 10..29
# or 30, 31
That is, you can define a regex in Bash matching the format you want. This way you can do:
[[ $date =~ ^regex$ ]] && echo "matched" || ...
Efficiently convert rows to columns in sql server
...
11
@tbag If you have an unknown number of rows, then you would have to use dynamic sql but be aware that transforming millions of rows will no...
How to display Base64 images in HTML?
...
11 Answers
11
Active
...
What does cmd /C mean? [closed]
...tem?
– Dinesh Kumar P
Jun 12 '17 at 11:14
add a comment
|
...
Pairwise crossproduct in Python [duplicate]
...
Cory PetoskyCory Petosky
11.5k11 gold badge3434 silver badges4242 bronze badges
...
How to switch databases in psql?
... Will HartungWill Hartung
104k1818 gold badges116116 silver badges191191 bronze badges
129...
Enforcing spaces in string resources [duplicate]
... |
edited Oct 27 '16 at 3:11
Pang
8,2181717 gold badges7373 silver badges111111 bronze badges
answered D...
How to create user for a db in postgresql? [closed]
... |
edited Nov 14 '14 at 11:11
stanhope
12611 silver badge66 bronze badges
answered Jun 2 '12 at 9:47
...
Which characters are valid in CSS class names/selectors?
... |
edited Oct 22 '18 at 11:37
João Pimentel Ferreira
7,29333 gold badges4040 silver badges5353 bronze badges
...
How can I upgrade specific packages using pip and a requirements file?
...
answered Jan 3 '11 at 9:56
Marcin ŚwierczyńskiMarcin Świerczyński
1,9442020 silver badges2929 bronze badges
...
