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Add a CSS class to
...ed/displayed, such as @person, it will name the button accordingly (Update Foo or Create Foo) and also the form_for FormBuilder chooses the correct action. So this way you can extract the form code into a partial and use it to display the model object (if you wish to use a form to display it), updat...
throwing exceptions out of a destructor
...f an element destructor throws, the vector destruction fails... There is really no good way to protect against exceptions thrown from destructors, so the library makes no guarantees if an element destructor throws" (from Appendix E3.2) .
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When should std::move be used on a function return value? [duplicate]
...
In the case of return std::move(foo); the move is superfluous because of 12.8/32:
When the criteria for elision of a copy operation are met or would be
met save for the fact that the source object is a function parameter,
and the object to be copied...
Having options in argparse with a dash
...scores:
import argparse
pa = argparse.ArgumentParser()
pa.add_argument('--foo-bar')
args = pa.parse_args(['--foo-bar', '24'])
print args # Namespace(foo_bar='24')
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Get next / previous element using JavaScript?
... page
var selectionDiv = document.getElementById("MySecondDiv");
So basically with selectionDiv iterate through the collection to find its index, and then obviously -1 = previous +1 = next within bounds
for(var i = 0; i < divs.length;i++)
{
if(divs[i] == selectionDiv)
{
var previous...
Why does calling a method in my derived class call the base class method?
...owInfo()
{
Console.WriteLine("I am a student!");
}
}
If called, the behavior of ShowInfo varies, based on the implementation:
Person person = new Teacher();
person.ShowInfo(); // Shows 'I am a teacher!'
person = new Student();
person.ShowInfo(); // Shows 'I am a student!'
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Executing periodic actions in Python [duplicate]
I am working on Windows. I want to execute a function foo() every 10 seconds.
9 Answers
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How do I assert an Iterable contains elements with a certain property?
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Its not especially Hamcrest, but I think it worth to mention here. What I use quite often in Java8 is something like:
assertTrue(myClass.getMyItems().stream().anyMatch(item -> "foo".equals(item.getName())));
(Edited to Rodrigo Manyar...
Convert Java Array to Iterable
...ve an Array of primitives, for example for int, int[] foo. It might be a small sized one, or not.
10 Answers
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Increment value in mysql update query
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Also, to "increment" string, when update, use CONCAT
update dbo.test set foo=CONCAT(foo, 'bar') where 1=1
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