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How to implement has_many :through relationships with Mongoid and mongodb?
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Mongoid doesn't have has_many :through or an equivalent feature. It would not be so useful with MongoDB because it does not support join queries so even if you could reference a related collection via another it would still require multiple queries.
https://githu...
Determine which JAR file a class is from
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Yes. It works for all classes except classes loaded by bootstrap classloader. The other way to determine is:
Class klass = String.class;
URL location = klass.getResource('/' + klass.getName().replace('.', '/') + ".class");
As notno...
Omitting the second expression when using the if-else shorthand
Can I write the if else shorthand without the else ?
8 Answers
8
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Launching Spring application Address already in use
I have this error launching my spring application:
25 Answers
25
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How to create a custom attribute in C#
...While the code to create a custom Attribute is fairly simple, it's very important that you understand what attributes are:
Attributes are metadata compiled into your program. Attributes themselves do not add any functionality to a class, property or module - just data. However, using reflection, on...
Disable same origin policy in Chrome
Is there any way to disable the Same-origin policy on Google's Chrome browser?
33 Answers
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onConfigurationChanged not getting called
This morning I came up with a problem trying to handle the onConfigurationChanged event. The problem is that the method, which I override, is not getting called when I change the orientation of the phone. Not getting called at all.
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Injecting Mockito mocks into a Spring bean
I would like to inject a Mockito mock object into a Spring (3+) bean for the purposes of unit testing with JUnit. My bean dependencies are currently injected by using the @Autowired annotation on private member fields.
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What is the best way to compare floats for almost-equality in Python?
It's well known that comparing floats for equality is a little fiddly due to rounding and precision issues.
15 Answers
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Is it possible to declare git repository as dependency in android gradle?
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For me the best way is:
https://jitpack.io
Step 1. Add the JitPack repository to build.gradle at the end of repositories:
repositories {
// ...
maven { url "https://jitpack.io" }
}
Step 2. Add the dependency in th...