大约有 44,500 项符合查询结果（耗时：0.0442秒） [XML]
Open a file from Cygwin
...
answered Feb 23 '09 at 13:51
erichuierichui
2,61122 gold badges2121 silver badges1919 bronze badges
...
Aborting a stash pop in Git
...
answered Jan 22 '13 at 1:32
Ben JacksonBen Jackson
73.8k77 gold badges8181 silver badges135135 bronze badges
...
Change a column type from Date to DateTime during ROR migration
..._date_format_in_my_table
Then in your migration file:
For Rails >= 3.2:
class ChangeDateFormatInMyTable < ActiveRecord::Migration
def up
change_column :my_table, :my_column, :datetime
end
def down
change_column :my_table, :my_column, :date
end
end
...
Simple logical operators in Bash
...oup commands, but they only influence parsing, not grouping. The program x=2; { x=4; }; echo $x prints 4, whereas x=2; (x=4); echo $x prints 2. (Also braces require spaces around them and a semicolon before closing, whereas parentheses don't. That's just a syntax quirk.)
With a leading dollar sign...
How do I get the name of the active user via the command line in OS X?
...
12 Answers
12
Active
...
How to cancel a Task in await?
...
244
Read up on Cancellation (which was introduced in .NET 4.0 and is largely unchanged since then)...
Simple Vim commands you wish you'd known earlier [closed]
...
1
2
Next
317
...
git recover deleted file where no commit was made after the delete
...
22 Answers
22
Active
...
Razor comment syntax
...
210
@* here is the code to comment *@
...
Omitting the first line from any Linux command output
...
22
or awk 'NR>1'
– mitchus
Oct 1 '14 at 9:54
...