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What is the difference between graph search and tree search?
...e Search
open <- []
next <- start
while next is not goal {
add all successors of next to open
next <- select one node from open
remove next from open
}
return next
Depending on how you implement select from open, you obtain different variants of search algorithms, like dept...
“Code too large” compilation error in Java
...size for code in Java? I wrote a function with more than 10,000 lines. Actually, each line assigns a value to an array variable.
...
How do I localize the jQuery UI Datepicker?
I really need a localized dropdown calendar. An English calendar doesn't exactly communicate excellence on a Norwegian website ;-)
...
What is the difference between Θ(n) and O(n)?
...e of the algorithm as n gets larger is at most proportional to g(n).
Normally, even when people talk about O(g(n)) they actually mean Θ(g(n)) but technically, there is a difference.
More technically:
O(n) represents upper bound. Θ(n) means tight bound.
Ω(n) represents lower bound.
...
Retrieve only the queried element in an object array in MongoDB collection
...r to filter an array during projection, which has the benefit of including all matches, instead of just the first one.
db.test.aggregate([
// Get just the docs that contain a shapes element where color is 'red'
{$match: {'shapes.color': 'red'}},
{$project: {
shapes: {$filter: {
...
SVN- How to commit multiple files in a single shot
...yfile1.h
$ svn changelist my-changelist mydir/dir3/myfile3.c etc.
... (add all the files you want to commit together at your own rate)
$ svn commit -m"log msg" --changelist my-changelist
share
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im...
Why use sprintf function in PHP?
...
sprintf has all the formatting capabilities of the original printf which means you can do much more than just inserting variable values in strings.
For instance, specify number format (hex, decimal, octal), number of decimals, padding a...
JavaScript and Threads
...onBat JavaScript Benchmark (first link)
The Gears plugin can also be installed in Firefox.
Safari 4, and the WebKit nightlies have worker threads:
JavaScript Ray Tracer
Chrome has Gears baked in, so it can do threads, although it requires a confirmation prompt from the user (and it uses a d...
iOS White to Transparent Gradient Layer is Gray
I have a CAGradientLayer inserted to the bottom of this small detail view that pops up at the bottom of the app. As you can see, I've set the colors from white to clear, but there's this strange gray tint that is showing up. Any ideas?
...
difference between Product Backlog Item and Feature in Team Foundation work item types
...em won't fit into a single sprint you should create a Feature and identify all the value-providing sprint sized items (Product Backlog Items) that the Feature can be broken down into and use these when planning future sprints.
[Update 2014-05-19]
Microsoft have published more information on how t...