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Rails hidden field undefined method 'merge' error
...an do
<%= form_for @order, 'data-service' => 'test' do |f| %>
And then get attribute value with jquery
$('form').data('service')
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Big O of JavaScript arrays
Arrays in JavaScript are very easy to modify by adding and removing items. It somewhat masks the fact that most languages arrays are fixed-size, and require complex operations to resize. It seems that JavaScript makes it easy to write poorly performing array code. This leads to the question:
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Can I make a user-specific gitignore file?
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For user-specific and repo-specific file ignoring you should populate the following file: $GIT_DIR/info/exclude
Usually $GIT_DIR stands for: your_repo_path/.git/
shar...
Spring 3 MVC accessing HttpRequest from controller
I would like to handle request and session attributes myself rather then leave it to spring @SessionAttributes , for login of cookies handling for example.
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How to get the path of current worksheet in VBA?
I wrote a macro as an add-in, and I need to get the path of the current worksheet on which it is being executed. How do I do this? How do I get the file path (just the directory)?
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How can you escape the @ character in javadoc?
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This is an "at" symbol: @
Of course, this will work for any characters, and is the "officially supported" way of displaying any "special" characters.
It is also the most straighforward - you don't need to know the hex code of the character, and you can read what you've typed!
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Spring Data JPA find by embedded object property
...f an embedded object in that entity. Does anyone know if this is possible, and if so how?
4 Answers
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Initialize a long in Java
...u do any operation of byte with any integer, byte is first promoted to int and then any operations are performed.
Try this
byte a = 1; // declare a byte
a = a*2; // you will get error here
You get error because 2 is by default int.
Hence you are trying to multiply byte with int.
Hence result ...
How do I switch to another subversion branch in Intellij?
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Right because here you are "updating" your sandbox to a new branch.
– Shaun F
Oct 21 '09 at 0:47
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What does this gdb output mean?
I've got a button that plays a sound, and it seems to work perfectly fine on the simulator, but i'm getting this message:
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