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Nearest neighbors in high-dimensional data?
...In fact, all current indexing techniques (based on space partitioning) degrade to linear search for sufficiently high dimensions [1][2][3].
Among ANN algorithms proposed recently, perhaps the most popular is Locality-Sensitive Hashing (LSH), which maps a set of points in a high-dimensional space in...
How to “properly” create a custom object in JavaScript?
...stances in JavaScript: the prototyping way, and the closure way. Both have advantages and drawbacks, and there are plenty of extended variations. Many programmers and libraries have different approaches and class-handling utility functions to paper over some of the uglier parts of the language.
The...
MVVM in WPF - How to alert ViewModel of changes in Model… or should I?
...f messaging systems on my blog, however to summarize it, any object can broadcast a message, and any object can subscribe to listen for specific messages. So you might broadcast a PlayerScoreHasChangedMessage from one object, and another object can subscribe to listen for those types of messages and...
Why not use always android:configChanges=“keyboardHidden|orientation”?
...rientation change), Android fully restarts the running Activity to help it adjust to such changes.
When you define android:configChanges="keyboardHidden|orientation" in your AndroidManifest, you are telling Android: "Please don't do the default reset when the keyboard is pulled out, or the phone is...
What is the best Battleship AI?
...00 games to get any reasonable distinction between test algorithms.
Download Dreadnought 1.2.
Strategies:
keep track of all possible positions for ships that have >0 hits. The list never gets bigger than ~30K so it can be kept exactly, unlike the list of all possible positions for all ships ...
Is Haxe worth learning? [closed]
For people out there using Haxe , what makes it useful for you? Reading the website it looks very promising. Does it provide significant portability?
...
Check if a class is derived from a generic class
... edited Sep 12 '12 at 23:58
xanadont
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answered Jan 19 '09 at 14:19
...
Why use prefixes on member variables in C++ classes
...
You have to be careful with using a leading underscore. A leading underscore before a capital letter in a word is reserved.
For example:
_Foo
_L
are all reserved words while
_foo
_l
are not. There are other situations where leading underscores before lowe...
git rebase, keeping track of 'local' and 'remote'
...on illustrated
On a merge
x--x--x--x--x(*) <- current branch B ('*'=HEAD)
\
\
\--y--y--y <- other branch to merge
, we don't change the current branch 'B', so what we have is still what we were working on (and we merge from another branch)
x--x--x--x--x---------o(*) MERGE,...
Approximate cost to access various caches and main memory?
...e (for example, check page 22 for some timings & cycles for example).
Additionally, this page has some details on clock cycles etc. The second link served the following numbers:
Core i7 Xeon 5500 Series Data Source Latency (approximate) [Pg. 22]
local L1 CACHE hit, ...