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Performance differences between debug and release builds
...g configuration, even when the programs are actually deployed at the custom>me m>rs place.
8 Answers
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What is “overhead”?
...t in Computer Science and I am hearing the word "overhead" a lot when it com>me m>s to programs and sorts. What does this m>me m>an exactly?
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How much is too much with C++11 auto keyword?
...to when it is obvious to the reader what type auto represents.
Here are som>me m> examples:
auto foo = std::make_shared<Foo>(); // obvious
auto foo = bla(); // unclear. don't know which type `foo` has
const size_t max_size = 100;
for ( auto x = max_size; x > 0; --x ) // ...
Zoom in on a point (using scale and translate)
...y the point in the old zoom and the new zoom that you want to remain the sam>me m>. Which is to say the viewport pre-zoom>me m>d and the viewport post-zoom>me m>d have the sam>me m> zoompoint relative to the viewport. Given that we're scaling relative to the origin. You can adjust the viewport position accordingly:
sc...
What's the difference between HEAD, working tree and index, in Git?
Can som>me m>one tell m>me m> the difference between HEAD, working tree and index, in Git?
5 Answers
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Setting PayPal return URL and making it auto return?
...r PayPal account, otherwise it will ignore the return field.
From the docum>me m>ntation (updated to reflect new layout Jan 2019):
Auto Return is turned off by default.
To turn on Auto Return:
Log in to your PayPal account at https://www.paypal.com or https://www.sandbox.paypal.com
The M...
How to add elem>me m>nts of a Java8 stream into an existing List
Javadoc of Collector shows how to collect elem>me m>nts of a stream into a new List. Is there an one-liner that adds the results into an existing ArrayList?
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What is the purpose of mock objects?
...ear the words 'mock objects' thrown around a lot. In layman's terms, can som>me m>one explain what mock objects are, and what they are typically used for when writing unit tests?
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Why are these constructs using pre and post-increm>me m>nt undefined behavior?
...
C has the concept of undefined behavior, i.e. som>me m> language constructs are syntactically valid but you can't predict the behavior when the code is run.
As far as I know, the standard doesn't explicitly say why the concept of undefined behavior exists. In my mind, it's sim...
How does the Java 'for each' loop work?
...
for (Iterator<String> i = som>me m>Iterable.iterator(); i.hasNext();) {
String item = i.next();
System.out.println(item);
}
Note that if you need to use i.remove(); in your loop, or access the actual iterator in som>me m> way, you cannot use the for ( :...