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how to add records to has_many :through association in rails
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I think you can simply do this:
@cust = Customer.new(params[:customer])
@cust.houses << House.find(params[:house_id])
Or when creating a new house for a customer:
@cust = Customer.new(params[:customer])
@cust.houses.create(...
How to change variables value while debugging with LLDB in Xcode?
In Xcode, GDB allows you to change local variables while debugging (see how to change NSString value while debugging in XCode? ). Does LLDB offer a similar functionality? If so, how can we use it?
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Conda: Installing / upgrading directly from github
Can I install/upgrade packages from GitHub using conda ?
4 Answers
4
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jQuery: keyPress Backspace won't fire?
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it's the case. Keyup fires backspace, keypress doesn't -> weird. is there a chance to also check if two keys are pressed like cmd-c, or cmd-v, or cmd-a
– matt
Jan 14 '11 at 11:28
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AngularJS : What is a factory?
...ello, World!";
};
});
//factory style, more involved but more sophisticated
myApp.factory('helloWorldFromFactory', function() {
return {
sayHello: function() {
return "Hello, World!";
}
};
});
//provider style, full blown, configurable version
myApp.pro...
Should the .gradle folder be added to version control?
Gradle creates a folder called .gradle . Should I track it with my version control (i.e. git)?
5 Answers
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Providing a default value for an Optional in Swift?
...cessively verbose, if all you want to do is provide a default value in the case where it's nil:
4 Answers
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Why can I not push_back a unique_ptr into a vector?
...ique_ptr container has ownership of the held pointer. This means that you can't make copies of a unique_ptr (because then two unique_ptrs would have ownership), so you can only move it.
Note, however, that your current use of unique_ptr is incorrect. You cannot use it to manage a pointer to a loc...
How can I get a list of build targets in Ant?
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The -p or -projecthelp option does exactly this, so you can just try:
ant -p build.xml
From ant's command line documentation:
The -projecthelp option prints out a list of the build file's targets. Targets that include a description attribute are listed as "Main targets", th...
Start service in Android
I want to call a service when a certain activity starts. So, here's the Service class:
5 Answers
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