大约有 44,000 项符合查询结果（耗时：0.0590秒） [XML]
“Ago” date/time functions in Ruby/Rails
..._in_words(from_time, to_time)
time_ago_in_words(from_time)
Check the API for details and more options.
share
|
improve this answer
|
follow
|
...
back button callback in navigationController in iOS
...iew automatically. I want to do a few things when back button is pressed before popping the view off the stack. Which is the back button callback function?
...
difference between each.with_index and each_with_index in Ruby?
... each_with_index does the same thing, but has no optional starting index.
For example:
[:foo, :bar, :baz].each.with_index(2) do |value, index|
puts "#{index}: #{value}"
end
[:foo, :bar, :baz].each_with_index do |value, index|
puts "#{index}: #{value}"
end
Outputs:
2: foo
3: bar
4: baz
...
Differences in auto-unboxing between Java 6 vs Java 7
...n Java 6 and below. Strangely, this feature is not prominently documented; for example, it's not mentioned here. It's debatable if it's a new feature or a bug fix (or a new bug?), see some related info and discussion. The consensus seems to point to an ambiguity in the original spec, which led to a ...
Remove columns from DataTable in C#
...this "defined" set of names. Different ways to implement this; from simple foreach loop to query or linq using IN.
– Roberto
Mar 2 '18 at 3:24
...
When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
... answered. Spring has simplified getting the current user in a controller. For other beans, Spring has adopted the suggestions of the author and simplified the injection of 'SecurityContextHolder'. More details are in the comments.
This is the solution I've ended up going with. Instead of using ...
Omitting the first line from any Linux command output
...
Note that some tail implementations require the -n flag for that, as in tail -n +2
– Mat
Sep 6 '11 at 10:40
...
What does “all” stand for in a makefile?
I read some tutorials concerning Makefiles but for me it is still unclear for what the target "all" stands for and what it does.
...
How to create a directory using nerdtree
I have been using NERDTree for a while. Every time I need to create a new directory I need to go to terminal. Is there a quick and easy way to create a directory using NERDTree.
...
Rails - Validate Presence Of Association?
...end
But there is a bug with it if you will use accepts_nested_attributes_for with :allow_destroy => true: Nested models and parent validation. In this topic you can find solution.
share
|
impro...