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• How to delete zero components in a vector in Matlab?

  - by xiaodai

  I have a vector for example a = [0 1 0 3] I want to turn a into b which equals b = [1 3] How do I perform this in general? So I have a vector with some zero components and I want to remove the zeroes and leave just the non-zero numbers. Sorry I am new to Matlab

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• Is it possible to cache an asp page on the server side?

  - by SLC

  Let's assume you have a big complex index page, that shows news articles and stuff. It's not going to change very often. Can you cache it somehow on the serverside, so requests don't force to server to dynamically generate the entire page every time someone visits it? Or does ASP.NET do this automatically? If so, how does it know if something has changed?

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• Integer array in Pythn

  - by Ra'ed

  how I can define array of integer numbers in Python code Say if this code is ok. or no pos = [int] len=99 for i in range (0,99): pos[i]=7

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• sort an array of floats in c++

  - by duckofrubber

  Hi, I have an array of (4) floating point numbers and need to sort the array in descending order. I'm quite new to c++, and was wondering what would be the best way to do this? Thanks.

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• TextView underline phone number and hyperlink

  - by Chris

  I've written an app which contains a large textview for displaying notes. Is it possible to have the textview highlight any phone numbers or hyperlinks without underlining the entire view?

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• Is there a way to upload videos to youtube from our Website?

  - by Starx

  I am developing a website, where I am allowing users to upload videos, but if the members numbers keep on increasing and they keep on uploading more videos it will be expensive for me. So I want to upload the movies to youtube instead, is this possible? By viewing some other posts here, I am thinking it is possible?

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• C threads question

  - by Nadeem

  Write program that has two threads one is reading numbers from the user and the other is printing them such that the first thread reads a new number only after it has been printed by the second thread. Declare one global varaible to use for reading and printing.

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• ASP.net mvc 2 solution folder structure

  - by Comma

  What is the best way to organize a MVC2 web project (as complex as stackoverflow)? should i have everything in one project? if not, how should i separate the projects and folders?

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• Testing instance variables from controllers with rspec

  - by Thiago

  Hi, I am trying to get the following spec to run: describe BlacklistController, "GET index" do it "should display the list of universally blocked numbers" do get :index debugger assigns[:blocked_numbers].should contain "190" end end Here's the action def index @blocked_numbers << "190" respond_to do |format| format.html end end And the failure simply says that assigns[:blocked_numbers} is nil. Why's that?

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• Determine if a number is a prime with regex?

  - by kitlite

  I found the following code example for Java on RosettaCode: public static boolean prime(int n) { return !new String(new char[n]).matches(".?|(..+?)\\1+"); } I don't know Java in particular but understand all aspects of this snippet except for the regex itself I have basic to basic-advanced knowledge of Regex as you find it in the built-in PHP functions How does .?|(..+?)\\1+ match prime numbers?

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• Counting number of values between interval

  - by calccrypto

  Is there any efficient way in python to count the times an array of numbers is between certain intervals? the number of intervals i will be using may get quite large like: mylist = [4,4,1,18,2,15,6,14,2,16,2,17,12,3,12,4,15,5,17] some function(mylist, startpoints): # startpoints = [0,10,20] count values in range [0,9] count values in range [10-19] output = [9,10]

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• Is it possible to convert number 21 to twentyone?

  - by shekhar

  Hi, Can we convert numbers to their alphabetical equivalents? For example 21 - twenty one 9999 - nine thousand nine hundred ninghty nine If yes, how to do this? Thanks and Regards, EDIT : Any language will do. C#, C++, Java, python.

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• how to take input from a file in a certain way in C .

  - by mekasperasky

  The way being suppose the data is 123 134 2312 32131 2131231 211212 It should take them as different numbers and store them in an integer array .

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• OFF descriptions

  - by Myx

  Hi: I'd like to make a scene that uses meshes and primitives (such as spheres, cylinders, boxes, etc). I was wondering if there are any recommendations with regard to where I can go to find .off files that describes complex meshes, such as mountains, rocks, trees, animals, etc. Thanks.

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• how to number the datas from mysql

  - by udaya

  Hi This is a doubt on mysql select query let me axplain my doubt with a simple example consider this is my query SELECT dbCountry from tableCountry tableCountry has fields dbCuntryId dbCountry and dbState I have the result as dbCountry india america england kenya pakisthan I need the result as 1 india 2 america 3 england 4 kenya 5 pakisthan the numbers 12345 must be generated with the increase in data and itis not a autoincrement id How can i get it is it something like loop

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• Remove dash from a phone number

  - by zoom_pat277

  What regular expression using java could be used to filter out dashes '-' and open close round brackets from a string representing phone numbers... so that (234) 887-9999 should give 2348879999 and similarly 234-887-9999 should give 2348879999. Thanks,

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• Generate 3 random number that sum to 1 in R

  - by user1034797

  I am hoping to create 3 (non-negative) quasi-random numbers that sum to one, and repeat over and over. Basically I am trying to partition something into three random parts over many trials. While I am aware of a= runif(3,0,1) I was thinking that I could use 1-a as the max in the next run if, but it seems messy. But these of course don't sum to one. Any thoughts, oh wise stackoverflow-ers?

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• How to find missing alpha values in sets of data within same table in SQL

  - by Jeff

  I have a table of many values where one column has the WO Number, and another column has the Resource ID. I need to be able to find all the WO numbers that do not have a resource value of "RW". Here is an example of the typical information. I need to be able to know that work order 5678 does not have an "RW" Resource ID. WO Number - Resource ID 1234 - IN 1234 - WE 1234 - AS 1234 - RW 5678 - PR 5678 - WE 5678 - IN 5678 - AS

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• Resources that explain or investigate artificial intelligence (AI) based approaches/strategies to th

  - by tauon

  While Mahjong (the actual game, not Mahjong solitare) is fairly simple in terms of basic rules and gameplay, setting objectives for the AI to transition to aim for certain end game goals seems fairly complex. Is anyone aware of any papers, research, or other materials related to this topic?

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• handling large number

  - by klw

  Hello, this is actually an problem question from project euler site http://projecteuler.net/index.php?section=problems&id=3 Anyway I'm not out after the solution, but I probably guess you will know what my approach is. To my question now, how do I handle numbers exceeding unsigned int? Is there a mathematical approach for this, if so where can I read about it?

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• Xpath visualization

  - by JavaRocky

  I am looking for a XML tool which does the following things. Allows me to enter xpath expressions and highlights the nodes selected Assists me in creating complex xpath expressions. What are other people using out there? I've used something from source forge but it only selects one matched node.

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• Sanitize GET query with Apache

  - by Freelancer

  Hello everyone, I see there's a lot of talk here about how to go about sanitizing data. Could it be as simple as adding this rewrite rule to .htaccess? RewriteRule ^([\w\-]+)$ index.php?page=$1 To my understanding this will allow only letters, numbers, _ and - in $1, am I right? If you add to this usage of prepared statements for SQL queries, it should be pretty proof, is that right? Somehow feels like too easy to be true, am I missing something, any ways to firm it up?

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• please help me to solve problem

  - by davit-datuashvili

  hi everybody fisrt of all this is not homework and now question is like this suppose i have array int a[]=new int[]{0xBCDA,0xABFE,0xBCAD,0xEFCA,0xFFCA} i know that there is always some hexadecimal number which occurs in all number or in this case A is repeat in array everywhere so my aim is print only repeat number and other numbers should be zero so my new array should be like this 0x000A, 0xA000,0x00A0 0x000A,0x000A any idea please help me? p.s please nobody say that this is homework

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• C#, .NET, Registry key handle values, how do i map them to the registry path?

  - by Tom

  Hey, i know the 5 registry hives have large 8-digit values for their handles and i have written a function which maps the value to the hive name. However, i'm also getting (in my data) much smaller numbers like 60, 120 etc and i have no idea which registry keys these represent. What could i do to find out?

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• Python: printing a range with decimal points

  - by jabo

  I can print a range of numbers easily using range, but is is possible to print a range with 1 decimal place from -10 to 10? e.g -10.0, -9.9, -9.8 all they way through to +10?

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