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Understanding recursion [closed]
...and before (in alphabetical order) the character held by its right child.
What we want to do is print the tree in alphabetical order. That's easy to do, given the tree special property. We just print the left child, then the node's character, then right child.
We don't just want to print willy-nil...
What's the difference between echo, print, and print_r in PHP?
...ng, in my experience. It's particularly useful when you don't know exactly what values/types you have in your variables. Consider this test program:
$values = array(0, 0.0, false, '');
var_dump($values);
print_r ($values);
With print_r you can't tell the difference between 0 and 0.0, or false an...
System.BadImageFormatException: Could not load file or assembly [duplicate]
... @TimSchmelter I wish I would have seen it here first. That is what I did and it worked (changed the target from Any CPU in my case to match my referenced project - x64).
– FernandoZ
Aug 25 at 16:42
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What does the CSS rule “clear: both” do?
What does the following CSS rule do:
5 Answers
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What is sharding and why is it important?
... to use the correct shard.
Maybe this example with Java code makes it somewhat clearer (it's about the Hibernate Shards project), how this would work in a real world scenario.
To address the "why sharding": It's mainly only for very large scale applications, with lots of data. First, it helps mini...
What is the Haskell response to Node.js?
... cooperative multitasking, as opposed to preemptive multitasking, which is what you get with threads. The main disadvantage with cooperative multitasking is that the programmer is responsible for making sure that there's no starvation. It loses modularity: make a mistake in one place, and it can s...
UITableView : viewForHeaderInSection: not called during reloadData:
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"tableView:viewForHeaderInSection" is not vital. What's vital is you somehow return a height. You could achieve that through either 1. estimate or 2. a hardcoded value or 3. a titleForHeader which has an intrinsic size. The intrinsic size is calculated based on the Font Fam...
How do you create a static class in C++?
...ly static methods and members.
Using static methods will only limit you.
What you want is, expressed in C++ semantics, to put your function (for it is a function) in a namespace.
Edit 2011-11-11
There is no "static class" in C++. The nearest concept would be a class with only static methods. For...
What is aria-label and how should I use it?
...esn't mean much without the visual clues. aria-label explicitly tells them what the button will do.
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Array versus List: When to use which?
What are the scenarios when one is preferable over the other? And why?
16 Answers
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