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Rails: fields_for with index?
...uestion do |fq| %>
# here you have both the 'question' object and the current 'index'
<% end %>
<% end %>
From:
http://railsapi.com/doc/rails-v3.0.4/classes/ActionView/Helpers/FormHelper.html#M006456
It’s also possible to specify the
instance to be used:
<%= fo...
How to sort an array of integers correctly
Trying to get the highest and lowest value from an array that I know will contain only integers seems to be harder than I thought.
...
Firefox session cookies
....org/show_bug.cgi?id=443354
Firefox has a feature where you close Firefox and it offers to save all your tabs, and then you restore the browser and those tabs come back. That's called session restore. What I didn't realize is that it'll also restore all the session cookies for those pages too! It t...
What's the difference between Spring Data's MongoTemplate and MongoRepository?
...write an application with which I can do complex queries using spring-data and mongodb. I have been starting by using the MongoRepository but struggled with complex queries to find examples or to actually understand the Syntax.
...
“Public key certificate and private key doesn't match” when using Godaddy issued certificate [closed
... the web server to the new load balancer. Amazon requires the private key and certs to be in PEM format, so I used the "rekey" tool at GoDaddy to create new certs. When I load those in the load balancer setup screen on AWS Mgmt Console, I get the error message: "Public Key Certificate and Private ...
How do I pass a class as a parameter in Java?
Is there any way to pass class as a parameter in Java and fire some methods from that class?
10 Answers
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Multiline bash commands in makefile
...e a very comfortable way to compile my project via a few lines of bash commands. But now I need to compile it via makefile. Considering, that every command is run in its own shell, my question is what is the best way to run multi-line bash command, depended on each other, in makefile?
For example,...
NERDTree reload new files
...ened in NERDTree , the only way I can see the file added is if I quit vim and start it again .
4 Answers
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How can I round up the time to the nearest X minutes?
...f the Ticks you calculate is greater than DateTime.MaxValue.Ticks. Be safe and take the minimum of your calculated value and DateTime.MaxValue.Ticks.
– Paul Raff
Apr 3 '14 at 17:28
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What is the difference between the add and offer methods in a Queue in Java?
... element can not be added to collection the add method throws an exception and offer doesn't.
From: http://java.sun.com/j2se/1.5.0/docs/api/java/util/Collection.html#add%28E%29
If a collection refuses to add a
particular element for any reason
other than that it already contains
the eleme...