Does a 2D Arraylist exist?

java-forums.org - 2013-02-23 22:25:17 - Similar - Report/Block

I have created 2 regular 1-D Arrays but I want to stick them all into 1 ArrayList. Is this even possible. I want to tidy up the whole thing if possible. I am new to Java and this is for a homework assignment. My three arrays are all Integer Arrays so the ArrayList of Arrays would be of Integers if that makes any sense to anyone. Any help...

How to create a random string using PHP?

stackoverflow.com - 2009-05-12 17:06:35 - Similar - Report/Block

I know that the rand function in PHP generates random integers, but what is the best way to generate a random string such as: Original string, 9 chars $string = 'abcdefghi'; Example random string limiting to 6 chars $string = 'ibfeca'; UPDATE: I have found tons of these types of functions, basically I'm trying to understand the logic behi...

Can't Generate Full Range of Random for Integers

stackoverflow.com - 2013-04-09 17:58:34 - Similar - Report/Block

I am trying to generate a file of 10000 integers between 0 and 100 000 so I can do a MergeSort on them later. When I generate the file using fstream, I never get an integer over 32760. The following method generates the file and then reads it back and checks for any integer over 32750. I usually get between 3-5 integers between 32750 and...

Spliting/Slicing array in ruby

stackoverflow.com - 2013-02-22 11:55:05 - Similar - Report/Block

I've found this similar two questions to the one I'm about to ask : Split array up into n-groups of m size? and Need to split arrays to sub arrays of specified size in Ruby This splits array into three arrays with each array having three elements : a.each_slice(3) do |x,y,z| p [x,y,z] end So if I do this (my array size is 1000) : a.each_...

how to make matrix efect

torrent-invites.com - 2012-08-02 18:39:02 - Similar - Report/Block

Here do this to get something similar to the matrix case. @ echo off 02 color : start echo% random%% random%% random%% random% echo% random%% random%% random%% random% echo% random%% random%% random%% random% echo% random%% random%% random%% random% echo% random%% random%% random%% random% goto start I save the file as matrix.bat (They do...


civfanatics.com - 2013-04-19 05:49:57 - Similar - Report/Block

Random Raves (the original!) Random Raves Two Random Raves Three: Happiness and Joy Random Raves Four: Momentary Diversions on the Road to the Grave Random Raves V: Ac-Cent-Tchu-Ate The Positive Random Raves VI: Put on a Happy Face Random Raves VII: I liek ma gun, liek ma gun!! Random Raves VIII: Don't Stop 'Til You Get Enough Random Rav...

How do I read strings and integers from data.txt into an array?

stackoverflow.com - 2013-04-23 16:08:51 - Similar - Report/Block

I have a data.txt that has following information: James 2 3 4 5 6 7 8 9 0 0 0 Janet 3 9 4 5 6 3 2 4 0 0 0 4 4 5 I know arrays can only have a one type of variables, so I was wondering if there was a way to read James, Janet as a string and read the numbers as integers, so I can use to calculate them later on in the program. The first line...

How to create an NSMutableDictionary containing many NSMutableArrays

stackoverflow.com - 2012-04-17 16:18:33 - Similar - Report/Block

I need to dynamically, at run time do the following create a mutable dictionary create x(perhaps thousands) number of arrays that are inside' the dictionary create y (thousands) number of strings for each array. Use the to represent some character pattern for the particular array (ex: 'm-m-' means the array contains strings with two m's...

append a numpy array to a numpy array

stackoverflow.com - 2012-03-19 18:55:24 - Similar - Report/Block

I just started programming in python and am very new to numpy packages.. so still trying to get a hang of it. I have a an numpy_array so something like [ a b c] And then I want to append it into anotehr numpyarray (Just like we create a list of lists) How do we create an array of numpy arrays containing numpy arrays I tried to do the fol...

RANDOM RANTS XLVI: Slightly More Than a Month-ly Edition #1

civfanatics.com - 2013-03-15 03:47:03 - Similar - Report/Block

CONGRATULATIONS OT We Did It! We have the thread nailed down to hitting its limit in slightly more than a month! Next goal: Monthly edition! Reach goal: Weekly edition! Previous Editions Random Rants (The Original!) Random Rants Two Random Rants 3 Random Rants 4: Keep Complaining Random @#%& rants 5: Life is a female dog. Random Rants VI...

Sorting Arrays in Efficient way?

stackoverflow.com - 2013-04-23 11:45:12 - Similar - Report/Block

We have two arrays, size n and n+m. The first array has n elements and the second array has m elements. Merge the two arrays and store the result in the second array in a sorted manner and without using extra space ? Tried So Far ? Sorted both my arrays using quick sort and then merged using MergeSort...

Using Random To Assign Chance

stackoverflow.com - 2012-04-21 06:12:56 - Similar - Report/Block

Is there a way to set up an if statement like this where 1 if statement covers multiple integers? variable = random.randrange(1,10) if variable is between 1 - 3 then do this if variable is between 4-5 then do this if variable is between 6-9 then do this or maybe something like this a = 1,2,3,4,5,6,7,8,9,10 variable = random.randrange(1...

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PHP: Best way to iterate two parallel arrays?

stackoverflow.com - 2012-04-12 23:33:49 - Similar - Report/Block

As seen in this other answer , there are several ways to iterate two same-sized arrays simultaneously; however, all of the methods have a rather significant pitfall. Here are some of the caveats with the methods suggested: You can't use FALSE values in one of the arrays. You can only use scalar values in one of the arrays. You must use n...

Generate a random number that excludes specific characters

stackoverflow.com - 2012-03-01 19:44:13 - Similar - Report/Block

I am trying to generate 36 length random number that doest have 0, 1 or 6 number in it. What I did is something like that declare @random char(36) set @random = newid() set @random = replace(replace(replace(@random,'6','2') ,'1','2'),'0','2') select @random I converted 6,1,0 to 2 but probably this isnt the best way to do that in sql serve...

I honestly have no clue how to formulate this pass-by-reference conundrum

stackoverflow.com - 2012-03-27 12:38:18 - Similar - Report/Block

So here's what I see this code doing: An array is made A loop iterates 10 times A new array is created A reference to this new array is saved in the first array 10 arrays now reside in the original array with values 0, 1, 2, 3... What really happens: Code: <?php header('Content-type: text/plain'); $arrays = array(); foreach(range(0, 10...

Random Buddy Pro for Android

androidzoom.com - 2012-07-22 22:38:36 - Similar - Report/Block

by Jonathan Santerre Random Buddy Pro brings new feature and is AD FREE! Random Buddy is there to help you all day long to achieve random tasks. Random Buddy includes: - Random numbers generator; - Random names and words generator; - Heads or Tails;... C $0.99...

How to get a random value from a string array in android?

stackoverflow.com - 2012-07-22 13:44:32 - Similar - Report/Block

In my values.xml file, I have an array, like this; <string-array name="animals-array"> <item>Cow</item> <item>Pig</item> <item>Bird</item> <item>Sheep</item> </string-array> In my app, I want to get one of these values at random, but I am unsure how to do this. I have looked...

Array for Blackjack cards, strings or integers? C# Newbie

stackoverflow.com - 2013-06-11 19:23:40 - Similar - Report/Block

Having a look at related BlackJack questions, there is a confusion on what is better to use for the cards, either making an array of strings/items or integers. With my BlackJack game Aces are 11 only and 10, J, Q and K are all value 10, doesn't matter of the suit. What would make it easier for me to code the cards with, strings or integer...

Split a string to form multidimensional array keys?

stackoverflow.com - 2012-05-09 17:21:22 - Similar - Report/Block

I'm creating JSON encoded data from PHP arrays that can be two or three levels deep, that look something like this: [grandParent] => Array ( [parent] => Array ( [child] => myValue ) ) The method I have, which is simply to create the nested array manually in the code requires me to use my 'setOption' function (which handles...

Comparing two arrays & get the values which are not common

stackoverflow.com - 2011-06-16 09:19:12 - Similar - Report/Block

i wanted a small logic to compare contents of two arrays & get the value which is not common amongst them using powershell example if $a1=@(1,2,3,4,5) $b1=@(1,2,3,4,5,6) $c which is the output should give me the value " " which is the output of what's the uncommon value between both the arrays. Can some one help me out with the same!...

Reading Integer data from .txt files into arrays in Delphi

stackoverflow.com - 2012-04-02 13:50:49 - Similar - Report/Block

I'm new to Delphi coding and struggeling in reading .txt files. I am trying to read input data (tabbed integers) from a .txt file in which every column is regarded as a variable (Day, Temperature, Pressure,...) and every line is regarded as a time step (hour). How can i read this data into an array in order to do hourly calculations with...

.BAT Guide For Begynnere

diskusjon.no - 2013-04-25 13:37:39 - Similar - Report/Block

Dette var skrevet for en GOD stund sia og har blitt begravd i Batch forumet ^^ Extremt mange unyttige tall/Matrix først må du åpne et TXT dokument. så skriver du inn: @echo off color 0a :top echo %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% goto top (pass på...

Reading hex string blocks from a file and putting them into an array in java

stackoverflow.com - 2012-04-15 04:12:01 - Similar - Report/Block

I want to read the a file where packets are stored as hex files and store them in arrays. For example, the there are three blocks here and I need to store them in 3 separate arrays. The arrays should contain these hex strings. Could someone please advice me the way to do it correctly? I tried using buffered reader and a string buffer but...

Populating NSDictionary and NSArrays for Model data

stackoverflow.com - 2012-03-05 02:36:02 - Similar - Report/Block

I'm trying to create an NSDictionary full of arrays in the implementation file of my model but my code hasn't worked yet. I want to create arrays that are lists of types of dogs and cats and then add those arrays to a dictionary with keys called . Here is my code: @implementation wordDictionary @synthesize catList = _catList; @synthesize...

Weirdness in Equated Java Arrays: What's Going on? Pointers?

stackoverflow.com - 2012-06-07 01:57:24 - Similar - Report/Block

Having a problem understanding what's going on n the code below. The behavior of arrays is what I would expect. But what's going on with ? (I also tried this with normal, scalar variables, and nothing surprising happens in either case.) The output is copied to the RH comments. import java.util.Arrays; public class ArraysParadox { public...

GCSE Math question HELP!!!

thestudentroom.co.uk - 2013-05-06 02:17:55 - Similar - Report/Block

Does anyone know how to answer the following questions, I have attempted both several times but can't seem to get an answer. Q1). Prove algebraically that the difference between the squares of any two consecutive integers is equal to the sum of these two integers. - Taken from March 2013 Edexcel GCSE linear paper question 21. Q2) There ar...

Reading a line of integers in Python

stackoverflow.com - 2013-04-12 05:46:58 - Similar - Report/Block

I am beginner in Python and I am solving a question at CodeChef where I have to read a line of space separated integers. This is what I am doing: def main(): t=int(raw_input()) #reading test-cases while t!=0: n, k=raw_input().split() #reading a line of two space separated integers n, r=int(n), int(r) #converting them into int list=[]...

Javascript indexOf for an array of arrays not finding array

stackoverflow.com - 2012-04-21 17:11:00 - Similar - Report/Block

I have an array with nested arrays that looks like this: var tw = [[3, 0], [11, 0], [3, 14], [11, 14]]; When I try and find if the array contains a passed in array, I always get a result of -1. For example: var test = $.inArray([3, 0], tw); var test2 = tw.indexOf([3, 0]); both return -1, even though the first object in the array is [3,0]...

store values from string in an array

gamedev.net - 2013-06-08 11:52:59 - Similar - Report/Block

I have a string: map = ("1, 1, 1, 1, 1" + "1, 1, 1, 1, 1" + "1, 1, 1, 1, 1" + "1, 1, 1, 1, 1" + "1, 1, 1, 1, 1"); That I want to store in an array somehow, or be able to store the values of the string in 3 seperate arrays. With these arrays, I'm going to create a map of blocks. I don't know how to set these values though. The x array...

New to arrays-Create two column array with different column order to sheet?

excelforum.com - 2013-05-02 06:03:17 - Similar - Report/Block

UPDATE: Yes, I know the obvious solution is to alter the worksheet column order instead. But I can't (long story) hence this thread. I am new to arrays and wish to achieve the following: I have worksheet range in Column A & Column B that I want to read into an array of 2 columns wide, X (variable) rows deep. Now for the catch. I need the...

Read integers from file - line by line

stackoverflow.com - 2013-04-20 17:12:31 - Similar - Report/Block

How can I read integers from a file to the array of integers in c++? So that, for example, this file's content: would become: int *arr = {23, 31, 41, 23}; I actually have two problems with this. First is that I don't really know how can I read them line by line. For one integer it would be pretty easy, just file_handler >> number syntax...

PHP generating random numbers

stackoverflow.com - 2012-05-10 06:16:27 - Similar - Report/Block

I need to generate about 5,000 random numbers in my script, but the CPU is so fast that I see tendencies in my random numbers. For example, in the 100 first iterations, I get 80 values between 70 and 99 with rand(0,100);, which can be a REAL inconvenient. Is there a way to solve such issue, or is randomness not achievable anymore in 2012?...

closing over the loop variable in scala

stackoverflow.com - 2012-03-23 17:00:12 - Similar - Report/Block

As discussed in this post by Eric Lippert closing over the loop variable in c# can have unexpected consequences. I was trying to understand if the same "gotcha" applied to scala. First of all, since this is a scala question, I'll try explaining Eric Lippert's C# example adding a few comments to his code // create a list of integers var va...

How to create 2D arrays in Python

stackoverflow.com - 2012-02-29 11:22:57 - Similar - Report/Block

Im trying to create an indexed 2D array within Python, but I keep running into errors, one way or another. The following code: #Declare Constants (no real constants in Python) PLAYER = 0 ENEMY = 1 X = 0 Y = 1 AMMO = 2 CURRENT_STATE = 3 LAST_STATE = 4 #Initilise as list information_state = [[]] #Create 2D list structure information_state.a...

Mapping Unequal Arrays with Unset Keys - Facebook Graph API

stackoverflow.com - 2012-03-12 05:12:24 - Similar - Report/Block

Anyone know how to do this? I'm trying to get an array that holds the ID's as the key and the "value" and "created_time" as values associated to the key. If the key has no "value" "but created_time" fill in a "0" for the "value" I tried to map two arrays together. I'm getting the data through the Facebook API as JSON output. After I json_...

Strategy to build test graphs for Dijkstra's algorithm?

stackoverflow.com - 2012-03-12 22:26:47 - Similar - Report/Block

I recently implemented Dijkstra's algorithm to practice Java. I'm now considering how to build random test graphs (with unidirectional edges). Currently, I use a naive method. Nodes are created at random locations in 2d space (where x and y are unsigned integers between 0 and some MAX_SPACE constant). Edges are randomly created to connect...

Replace duplicate numbers with unique numbers from 0-(N-1)

stackoverflow.com - 2012-04-06 10:18:05 - Similar - Report/Block

Background: I have an N-length array of positive random numbers that are certain to contain duplicates. e.g. 10,4,5,7,10,9,10,9,8,10,5 The Problem: I am trying to find the fastest way to replace the duplicates with the missing numbers from 0-(N-1). Using the above example, I want a result that looks like this: 10,4,5,7,0,9,1,2,8,3,6 The...

Find missing number in unsorted input with memory constraints

stackoverflow.com - 2012-04-14 11:30:00 - Similar - Report/Block

I was reading about the problem of finding the missing number from a series of 4 billion 32 bit integers in Programming Pearls , but could not quite get the solution. Given a sequential file that contains at most 4 Billion 32-bit integers in random order, find a 32-bit integer not on the file. Constraint: Few hundrends of bytes of main...

Re-set spawn after collision

stackoverflow.com - 2013-04-11 18:52:12 - Similar - Report/Block

Basically what happens is objects spawn off screen at random positions and then flow in and out of the screen view. as they flow of screen they reset at a random position off screen again, however I cannot get that to happen if the player collides with it. So to summarise, how would I make the object position respawn off screen again on c...

Ошибка при запуске программы, не могу понять в чем дело - Python

cyberforum.ru - 2012-08-14 18:12:26 - Similar - Report/Block

Ну что же, семпаи, прошу помочь и объяснить как обойти ошибку. Ниже приведу текст программы, программа должна запускать окно в котором появляются 5 кругов со случайным начальным положением, случайного размера и цвета, которые двигаются в случайном направлении и отбиваются от границ окна. Код: #!/usr/bin/env python #coding=utf-8 import pyg...


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