大约有 46,000 项符合查询结果（耗时：0.0359秒） [XML]
How do I print out the contents of an object in Rails for easy debugging?
... in the View by using the debug' Helper ActionView::Helpers::DebugHelper
#app/view/controllers/post_controller.rb
def index
@posts = Post.all
end
#app/view/posts/index.html.erb
<%= debug(@posts) %>
#start your server
rails -s
results (in browser)
- !ruby/object:Post
raw_attributes:
...
Why am I getting error for apple-touch-icon-precomposed.png
...
I guess apple devices make those requests if the device owner adds the site to it. This is the equivalent of the favicon. To resolve, add 2 100×100 png files, save it as apple-touch-icon-precomposed.png and apple-touch-icon.png and ...
Can I convert long to int?
...; 0). So when implementing a CompareTo operation, for instance, you can't happily cast the result of subtracting one long from another to an int and return that; for some values, your comparison would yield an incorrect result.
– T.J. Crowder
Apr 10 '11 at 8:56...
Fragment over another fragment issue
...
This worked for me. "clickable" in Android apparently is somewhat like iOS' "userInteractionEnabled"
– mvds
Jan 30 '14 at 18:05
20
...
Resize fields in Django Admin
...
It is hard to have them the same size apparently.
– Sören
Dec 10 '19 at 11:10
|
show 1 more comment
...
Backbone View: Inherit and extend events from parent
...ts merging within itself. That being said, I wouldn't have thought of this approach, and it's always nice to be forced to look at things in a different way :)
– EleventyOne
Jan 4 '14 at 6:02
...
How to hide keyboard in swift on pressing return key?
I am using UITextfied while clicking on textfied keyboard appear but when i pressed the return key, keyboard is not disappearing. I used the following code:
...
Detecting syllables in a word
...
Read about the TeX approach to this problem for the purposes of hyphenation. Especially see Frank Liang's thesis dissertation Word Hy-phen-a-tion by Com-put-er. His algorithm is very accurate, and then includes a small exceptions dictionary for...
Split views.py in several files
...ews import view1 Python will look for view1 in
views.py, which is what happens in the first (original) case
views/__init__.py, which is what happens in the second case. Here, __init__.py is able to provide the view1 method because it imports it.
With this kind of solution, you might have no ne...
How to check Google Play services version?
In my application, I need to check Google Play services version (which is installed in user's device). Is it possible ? And if yes, how can I do that? I searched Google but I could not find anything!
...