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Is it good practice to NULL a pointer after deleting it?
... out by saying, use smart pointers and you'll never have to worry about this.
18 Answers
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Random “Element is no longer attached to the DOM” StaleElementReferenceException
... Selenium Webdriver seems like a complete nightmare. The Chrome webdriver is currently unusable, and the other drivers are quite unreliable, or so it seems. I am battling many problems, but here is one.
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In a PHP project, what patterns exist to store, access and organize helper objects? [closed]
...leton approach suggested by Flavius. There are numerous reasons to avoid this approach. It violates good OOP principles. The google testing blog has some good articles on the Singleton and how to avoid it:
http://googletesting.blogspot.com/2008/08/by-miko-hevery-so-you-join-new-project.html
http://...
How do I include a JavaScript file in another JavaScript file?
Is there something in JavaScript similar to @import in CSS that allows you to include a JavaScript file inside another JavaScript file?
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Equation for testing if a point is inside a circle
...adius radius , how do you test if a given point with coordinates (x, y) is inside the circle?
16 Answers
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Algorithm to detect intersection of two rectangles?
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The standard method would be to do the separating axis test (do a google search on that).
In short:
Two objects don't intersect if you can find a line that separates the two objects. e.g. the objects / all points of an object are on different sides of the line.
The fun th...
How do Python functions handle the types of the parameters that you pass in?
Unless I'm mistaken, creating a function in Python works like this:
13 Answers
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How do I determine the size of my array in C?
...a[17];
size_t n = sizeof(a);
On my computer, ints are 4 bytes long, so n is 68.
To determine the number of elements in the array, we can divide
the total size of the array by the size of the array element.
You could do this with the type, like this:
int a[17];
size_t n = sizeof(a) / sizeof(int);...
What's the $unwind operator in MongoDB?
This is my first day with MongoDB so please go easy with me :)
6 Answers
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What are carriage return, linefeed, and form feed?
What is the meaning of the following control characters:
12 Answers
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