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In MySQL queries, why use join instead of where?
...plicit is almost universally better.
Conclusion
Short of familiarity and/or comfort, I don't see any benefit to continuing to use the ANSI-89 WHERE clause instead of the ANSI-92 JOIN syntax. Some might complain that ANSI-92 syntax is more verbose, but that's what makes it explicit. The more e...
What are Scala context and view bounds?
In a simple way, what are context and view bounds and what is the difference between them?
1 Answer
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
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The explanation comes from Agner Fog in Optimizing software in C++ and it reduces to how data is accessed and stored in the cache.
For terms and detailed info, see the wiki entry on caching, I'm gonna narrow it down here.
A cache is organized in sets and lines. At a time, only one set is u...
What is the best way to use a HashMap in C++?
I know that STL has a HashMap API, but I cannot find any good and thorough documentation with good examples regarding this.
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How do you modify a CSS style in the code behind file for divs in ASP.NET?
... answered Mar 18 '09 at 6:29
Andy WhiteAndy White
79.1k4646 gold badges167167 silver badges204204 bronze badges
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Alternatives to java.lang.reflect.Proxy for creating proxies of abstract classes (rather than interf
...lter(
new MethodFilter() {
@Override
public boolean isHandled(Method method) {
return Modifier.isAbstract(method.getModifiers());
}
}
);
MethodHandler handler = new MethodHandler() {
@Override
public Object invoke(Object self, Method thisMethod, M...
Why use Dijkstra's Algorithm if Breadth First Search (BFS) can do the same thing faster?
...rce to every node in the traversed graph.
Meanwhile BFS basically just expands the search by one “step” (link, edge, whatever you want to call it in your application) on every iteration, which happens to have the effect of finding the smallest number of steps it takes to get to any given node f...
Where in a virtualenv does the custom code go?
...en using virtualenv ? For instance, if I were building a WSGI application and created a virtualenv called foobar I would start with a directory structure like:
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What really happens in a try { return x; } finally { x = null; } statement?
I saw this tip in another question and was wondering if someone could explain to me how on earth this works?
5 Answers
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Using @include vs @extend in Sass?
...I can't quite discern the difference between using @include with a mixin and using @extend with a placeholder class. Don't they amount to the same thing?
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