大约有 43,200 项符合查询结果（耗时：0.0663秒） [XML]
Add up a column of numbers at the Unix shell
...
391
... | paste -sd+ - | bc
is the shortest one I've found (from the UNIX Command Line blog).
Edi...
Get the short Git version hash
...
|
edited Nov 4 '18 at 3:14
cambunctious
3,58522 gold badges1818 silver badges3131 bronze badges
...
How can I get list of values from dict?
...
|
edited Feb 6 '15 at 21:25
answered Apr 26 '13 at 3:27
...
Is there an easy way to pickle a python function (or otherwise serialize its code)?
...
11 Answers
11
Active
...
MySQL: ignore errors when importing?
I am importing a fairly large database. The .sql file has almost 1,000,000 lines in it. Problem is that I am getting a syntax error when trying to import the database. It says:
...
Is it valid to define functions in JSON results?
...
11 Answers
11
Active
...
jQuery exclude elements with certain class in selector
...
|
edited May 23 '17 at 12:03
Community♦
111 silver badge
answered Jun 10 '10 at 14:12
...
validation custom message for rails 3
...
196
Try this
validates :title, presence: { message: "Story title is required" }
...