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Safely override C++ virtual functions
I have a base class with a virtual function and I want to override that function in a derived class. Is there some way to make the compiler check if the function I declared in the derived class actually overrides a function in the base class? I would like to add some macro or something that ensures ...
HTML encoding issues - “” character showing up instead of “ ”
... legacy app just starting to misbehave, for whatever reason I'm not sure. It generates a bunch of HTML that gets turned into PDF reports by ActivePDF.
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What's the point of malloc(0)?
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According to the specifications, malloc(0) will return either "a null pointer or a unique pointer that can be successfully passed to free()".
This basically lets you allocate nothing, but still pass the "artist" variable to a call to free() without worry. For practical purposes,...
Wait until all jQuery Ajax requests are done?
How do I make a function wait until all jQuery Ajax requests are done inside another function?
20 Answers
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Is it possible to make an HTML anchor tag not clickable/linkable using CSS?
...;a style="" href="page.html" class="inactiveLink">page link</a>
It makes the link not clickeable and the cursor style an arrow, not a hand as the links have.
or use this style in the html:
<a style="pointer-events: none; cursor: default;" href="page.html">page link</a>
but...
Deep cloning objects
...is to implement the ICloneable interface (described here, so I won't regurgitate), here's a nice deep clone object copier I found on The Code Project a while ago and incorporated it in our stuff.
As mentioned elsewhere, it requires your objects to be serializable.
using System;
using System.IO;
usin...
jQuery OR Selector?
...to have "OR" logic in jQuery selectors. For example, I know an element is either a descendant of an element with class classA or classB, and I want to do something like elem.parents('.classA or .classB') . Does jQuery provide such functionality?
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Removing transforms in SVG files
I have been struggling with this for a while, and can't seem to find an answer (that works) anywhere. I have an SVG file which looks like this:
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Java Class.cast() vs. cast operator
...lt;T> T doSomething() {
Object o;
// snip
return (T) o;
}
It's often best to replace it by:
<T> T doSomething(Class<T> cls) {
Object o;
// snip
return cls.cast(o);
}
That's the only use case for Class.cast(Object) I've ever come across.
Regarding compiler...
std::string to char*
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It won't automatically convert (thank god). You'll have to use the method c_str() to get the C string version.
std::string str = "string";
const char *cstr = str.c_str();
Note that it returns a const char *; you aren't all...