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Spring Data: “delete by” is supported?
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Typically, in an application, you will have @ Service classes/methods and those will be calling the Repositories. And @ Service public methods should be the methods that are marked @ Transactional because transactions are Use Cas...
Getting the name of a child class in the parent class (static context)
...rc).
class Base {
public static function whoAmI() {
return get_called_class();
}
}
class User extends Base {}
print Base::whoAmI(); // prints "Base"
print User::whoAmI(); // prints "User"
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What is HEAD in Git?
...ific revision that is not associated with a branch name. This situation is called a detached HEAD.
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Handling optional parameters in javascript
...r second argument is a function or not:
function getData (id, parameters, callback) {
if (arguments.length == 2) { // if only two arguments were supplied
if (Object.prototype.toString.call(parameters) == "[object Function]") {
callback = parameters;
}
}
//...
}
You can also u...
Python - List of unique dictionaries
...in string form is JSON format. And Python has a built-in module for JSON (called json of course).
The remaining problem is that the elements in a dict are not ordered, and when Python converts the dict to a JSON string, you might get two JSON strings that represent equivalent dictionaries but are ...
Trigger change event of dropdown
....trigger('change');
});
You must declare the change event handler before calling trigger() or change() otherwise it won't be fired. Thanks for the mention @LenielMacaferi.
More information here.
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How to get last N records with activerecord?
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Calling #find(:all) is deprecated. Call #all directly instead.
– Snowcrash
Jun 29 '13 at 17:50
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Confused about __str__ on list in Python [duplicate]
...t uses str() for the list itself, but the implementation of list.__str__() calls repr() for the individual items.
So you should also overwrite __repr__(). A simple
__repr__ = __str__
at the end of the class body will do the trick.
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How to access parent Iframe from JavaScript
Well, I have an IFrame, which calls a same domain page.
My problem is that I want to access some information from this parent Iframe from this called page (from JavaScript). How can I access this Iframe?
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How to save an activity state using save instance state?
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CAREFUL: you need to call super.onSaveInstanceState(savedInstanceState) before adding your values to the Bundle, or they will get wiped out on that call (Droid X Android 2.2).
– jkschneider
Apr 13 '11 at 18...