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Rails 4: before_filter vs. before_action
In rails >4.0.0 generators creates CRUD operations with before_action not before_filter . It seems to do the same thing. So what's the difference between these two?
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Passing a list of kwargs?
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Yes. You do it like this:
def method(**kwargs):
print kwargs
keywords = {'keyword1': 'foo', 'keyword2': 'bar'}
method(keyword1='foo', keyword2='bar')
method(**keywords)
Running this in Python confirms these produce identical r...
How to access object attribute given string corresponding to name of that attribute
How do you set/get the values of attributes of t given by x ?
3 Answers
3
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WPF TextBox won't fill in StackPanel
...control within a StackPanel whose Orientation is set to Horizontal , but can't get the TextBox to fill the remaining StackPanel space.
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What are the differences between PMD and FindBugs?
There was a question comparing PMD and CheckStyle . However, I can't find a nice breakdown on the differences/similarities between PMD and FindBugs. I believe a key difference is that PMD works on source code, while FindBugs works on compiled bytecode files. But in terms of capabilities, should it ...
Creating PHP class instance with a string
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Yes, you can!
$str = 'One';
$class = 'Class'.$str;
$object = new $class();
When using namespaces, supply the fully qualified name:
$class = '\Foo\Bar\MyClass';
$instance = new $class();
Other cool stuff you can do in php are:...
Pair/tuple data type in Go
While doing the final exercise of the Tour of Go , I decided I needed a queue of ( string , int ) pairs. That's easy enough:
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schema builder laravel migrations unique on two columns
How can I set a unique constraints on two columns?
3 Answers
3
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Spring Data JPA find by embedded object property
I want to write a Spring Data JPA repository interface method signature that will let me find entities with a property of an embedded object in that entity. Does anyone know if this is possible, and if so how?
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Using .otf fonts on web browsers
I'm working on a website that requires font trials online, the fonts I have are all .otf
2 Answers
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