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Global and local variables in R
I am a newbie for R, and I am quite confused with the usage of local and global variables in R.
3 Answers
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Are “elseif” and “else if” completely synonymous?
Are elseif and else if completely synonymous, or is there a difference?
2 Answers
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How does the extend() function work in jQuery?
...arameter.
Returns the first parameter.
This is useful for combining user and default option-objects together to get a complete set of options:
function foo(userOptions) {
var defaultOptions = {
foo: 2,
bar: 2
};
var someOtherDefaultOptions = {
baz: 3
};
var allOptions = jQu...
What's the difference between :: (double colon) and -> (arrow) in PHP?
...to access instance members).
In general, :: is used for scope resolution, and it may have either a class name, parent, self, or (in PHP 5.3) static to its left. parent refers to the scope of the superclass of the class where it's used; self refers to the scope of the class where it's used; static r...
CSS - Expand float child DIV height to parent's height
...ight: 0;
top: 0;
}
Find more detailed results with CSS examples here and more information about equal height columns here.
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How to get the text node of an element?
I wish to get the "I am text node", do not wish to remove the "edit" tag, and need a cross browser solution.
10 Answers
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Difference between $(this) and event.target?
I'm new to jQuery, and was making tabbed panels, following the tutorial in JavaScript and jQuery : The Missing Manual , there's that first line when the author does this :
...
New features in java 7
What new features in java 7 is going to be implemented?
And what are they doing now?
8 Answers
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How can I wait for set of asynchronous callback functions?
...h your code, so I'll make up a scenario. Let's say you have 10 ajax calls and you want to accumulate the results from those 10 ajax calls and then when they have all completed you want to do something. You can do it like this by accumulating the data in an array and keeping track of when the last ...
What is the proper way to comment functions in Python?
...nt.
def add(self):
"""Create a new user.
Line 2 of comment...
And so on...
"""
That's three double quotes to open the comment and another three double quotes to end it. You can also use any valid Python string. It doesn't need to be multiline and double quotes can be replaced by ...