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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:
...
What is the --save option for npm install?
..._modules by default. When you were trying to install dependencies for your app/module, you would need to first install them, and then add them (along with the appropriate version number) to the dependencies section of your package.json.
The --save option instructed NPM to include the package inside...
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...
Resize fields in Django Admin
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It is hard to have them the same size apparently.
– Sören
Dec 10 '19 at 11:10
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show 1 more comment
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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
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Fragment over another fragment issue
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This worked for me. "clickable" in Android apparently is somewhat like iOS' "userInteractionEnabled"
– mvds
Jan 30 '14 at 18:05
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Detecting syllables in a word
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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...
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:
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“cannot resolve symbol R” in Android Studio
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For me this was causing the problem: Mismatch among ApplicationId in gradle and package name in manifest (and though the auto import added the wrong address for the R file). I recommend this little article to make clarification of difference between the two. blog....
Unable to execute dex: GC overhead limit exceeded in Eclipse
... set it to anything smaller than your RAM size minus overhead for OS/other applications. On a 32 bit VM, you'll want to keep it smaller than about 1500M (on Linux) or 1100M (on Windows) because the VM needs to allocate contiguous address space, and that's a very limited resource for 32-bit apps.
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