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How do I use arrays in C++?
...int i = 0; i < n; ++i)
{
delete[] p[i];
}
delete[] p; // note the extra delete[] !
And here is how it looks like in memory:
+---+---+---+---+---+
| | | | | |
+---+---+---+---+---+
^
| +---+---+---+---+
| | | ...
The case against checked exceptions
...lly defined by a method signature.
Here fopen requires that you pass it a string (or a char* in the case of C). If you give it something else you get a compile-time error. You didn't follow the protocol - you're not using the API properly.
In some (obscure) languages the return type is part of the...
What are the differences between a UIView and a CALayer?
...chy of CALayers. It's not that hard to implement this yourself, but it is extra code you'd need to write when building a CALayer-only interface.
You will often need to access the underlying layers for a UIView when performing more complex animations than the base UIView class allows. UIView's ani...
Where should virtualenvs be created?
...tree and it tree moves you have to reinstall, or put it on ~ but manage on extra subdir outside of project.
– Ciro Santilli 郝海东冠状病六四事件法轮功
Jul 13 at 7:27
...
Is there a way to use SVG as content in a pseudo element :before or :after
...
Making use of CSS sprites and data uri gives extra interesting benefits like fast loading and less requests AND we get IE8 support by using image/base64:
Codepen sample using SVG
HTML
<div class="div1"></div>
<div class="div2"></div>
CSS
.d...
What is a mixin, and why are they useful?
...and from XML. You want the type to provide a "ToXML" method that returns a string containing an XML fragment with the data values of the type, and a "FromXML" that allows the type to reconstruct its data values from an XML fragment in a string. Again, this is a contrived example, so perhaps you use ...
A simple command line to download a remote maven2 artifact to the local repository?
...
Extra helpful for showing how to get the dependency plugin itself installed.
– Sergio Acosta
Apr 18 '10 at 6:49
...
Angularjs if-then-else construction in expression
...es, I know about this functionality it could help, but I don't want to add extra div to the document. but also thanks
– IgorCh
May 16 '13 at 13:03
...
What's the difference between and
...API that used Object.)
Source: http://download.oracle.com/javase/tutorial/extra/generics/convert.html; it explains why the JDK's java.util.Collections class has a method with this signature:
public static <T extends Object & Comparable<? super T>> T max(
Collection<? extends...
How do I give text or an image a transparent background using CSS?
... Why not do it with a pseudo element like :after and avoid the extra markup?
– AndFisher
Dec 6 '16 at 9:07
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