Tagged Questions

-1
votes
0answers
52 views

Downsides to locality-sensitive-hashing in machine learning applications

I have a large, running corpus of data (comprised of the positions of 10 objects in 2-dimensional space) that I would like to use for machine learning. To do this, I want to group those vectors into ...
1
vote
1answer
182 views

Puzzle solving: Minimum number of steps to achieve a goal

I have been doing some programming contest problems, and I have noticed that many of them involve something along the lines of "get the minimum number of steps necessary to achieve a certain goal". ...
1
vote
2answers
142 views

algorithm to extract “possibilities” from a tree

From the following tree: - Product - Packaging * - Small box - Heavy box * - Eco - Non-eco - Delivery * - Standard - Express I want ...
2
votes
2answers
254 views

About insertion sort and especially why it's said that copy is much faster than swap?

From Lafore's "Data Structures and Algorithms in Java": (about insertion sort (which uses copy + shift instead of swap (used in bubble and selection sort))) However, a copy isn’t as time-consuming ...
3
votes
1answer
344 views

What types of programming contest problems are there? [closed]

Basically, I want to make a great reference for use with programming contests that would have all of the algorithms that I can put together that I would need during a contest as well as sample useage ...
2
votes
4answers
383 views

Learning Arlgorithms particularly graph algorithms (java)

I have a hard time learning algorithms (Particularly graphing algorithms). Do you know of any good free resources that make some of the more harrowing algorithm concepts such NP-Complete, Traveling ...
0
votes
5answers
574 views

Learning basic algorithms - better C or C++? [closed]

I'm studying fundamental algorithms (quicksort, mergesort, binary trees, etc..) and I'm going to re-code every algorithm by scratch to learn how they work. Should I code them in C or C++? I think with ...
5
votes
6answers
759 views

Order of learning sort algorithms

I have already studied bubblesort, insertion sort and selection sort and can implement them in C pretty much from knowledge of the algorithm. I want to go on to learn shellsort, merge sort, heapsort ...
5
votes
10answers
545 views

I'm at a crossroads with programming and theory [closed]

I bought "Beginning C++ Through Game Programming" yesterday to start learning about C++ and programming. I'm going on hour 33, and I can't seem to put this book down. I was talking to a friend who's ...
1
vote
4answers
234 views

Number crunching algo for learning multithreading?

I have never really implemented anything dealing with threads; my only experience with them is reading about them in my undergrad. So I want to change that by writing a program that does some number ...
0
votes
1answer
415 views

What is the best approach to studying TAOCP

I have a question what is the best way to study 4 volumes of The Art of computer programming and Hacker delight by Henry S. Warren ? Is there any website that focus on study group that uses TAOCP? ...
10
votes
4answers
1k views

Are there currently any modern, standardized, aptitude test for software engineering?

Background I am a working software engineer who is in the midst of seeking out a new contract for the next year or so. In my search, I am enduring several absurd technical interviews as indicated by ...
0
votes
1answer
196 views

How important is maths depending on what your coding? [duplicate]

Possible Duplicate: What does mathematics have to do with programming? How often do you have to solve pure mathematical or algorithmical problems? I heard that math can be very important in ...
7
votes
1answer
3k views

How to improve my algorithm skills using exercise? [duplicate]

Possible Duplicate: Where can I find programming puzzles and challenges? I'm trying to find some places with algorithmic exercise? Do you know any? I found some: Project Euler Python ...
4
votes
3answers
550 views

Is wikipedia a valuable resource for studying data structures? (can we call it complete?)

Can I depend on wikipedia to learn data structures fully using the list of data structures http://en.wikipedia.org/wiki/List_of_data_structures and the links they refer to? The same question for ...
17
votes
8answers
2k views

Is having trouble with data structures common for beginners?

I'm taking my second course on Java. We are getting into data structures. I have done an assignment on a linked list, and now a stack. I had a hard time with the linked list. The stack gave me a ...
4
votes
5answers
1k views

Learning Algorithms and Data Structures [duplicate]

I know this may be somewhat of a repeated question, but I have special stipulations for answers to this one =p What is the best way to learn and truly understand different algorithms and data ...
16
votes
9answers
3k views

Is it essential to learn algorithms to be a real programmer?

I'm a PHP programmer, and until now I have not needed to learn algorithms... Now I'm start learning Python (a real programming language), because I need to use matplotlib. Does it make sense to start ...
10
votes
7answers
2k views

How important is studying algorithms and theory is to becoming a great programmer? [duplicate]

Possible Duplicate: Should I keep investing into data structures and algorithms? I'm a CS student. I want to become a really great programmer, what do I need to do to be come a great ...
6
votes
9answers
885 views

I need help with algorithms, how do I improve?

I usually do well at figuring out solutions to programming assignments but for some reason, I'm really struggling in my Algorithms class. I'm not failing but I know I can do better. When I'm ...
17
votes
6answers
2k views

Should I keep investing into data structures and algorithms?

These days, I'm investing heavily in data structures and algorithms and trying to solve some programming puzzles. I'm trying to code and solve with Java and Clojure. Am I wasting my time? should I ...
11
votes
4answers
2k views

Algorithm for Learning development

This is a fairly general question. I know a bit of Perl and Python and I am looking to learn programming in more depth so that once I get the hang of it I can start developing applications and then ...
2
votes
3answers
302 views

shadow simulation from buildings

is it possible to calculate shadow areas of buildings or simulate shadows of buildings in a city, using the heights of these buildings and the sun angle and azimuth? the basic light tracing concept ...
19
votes
4answers
2k views

Which algorithms and data structures should a developer absolutely know?

I want to be a successful enterprise Java developer. With what algorithms and data structures should I be well versed? What books would you recommend to me? To be a successful Java developer, do I ...
19
votes
17answers
2k views

What are good mathematical formulas to know for programming? [closed]

What are some somewhat common math formulas you learned that helped you write better algorithms and become a better programmer? Example: I learned about the ecludian distance formula: ...