How to change array elements?
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There are ten answers to this question.
Best solution
array = ["Spam is bad", "Ham is good"] I would like select the element(s) from the array which include(s) the word 'good' and set the string to a new variable. How could I do this?
Answer:
It's almost as you typed your title: array.select {|s| s.include? "good"} Here's the doc:...
Dru at Stack Overflow Mark as irrelevant Undo
Other solutions
For example: Consider this array A= { 2, 1, 3, 4, 2}. Since A can be changed to A' = { -2, -1, -3, 4, 2 },the minimum possible non-negative sum is zero for this array.
Answer:
Same as problem of splitting the array into 2 subarrays such that the difference between the sum of...
Anonymous at Quora Mark as irrelevant Undo
Example: [1, 2, 3, 4, 8, 6, 7, 8, 2, 10, 11, 3, 13, 14, 15, 16] The array is almost sorted except for elements at position 4, 8, 11. Given this array and the knowledge that these elements may be out-of-order, what's a time efficient way to sort the array...
Answer:
None of these answers actually addressed how to identify a small number of out of order elements just...
Mark Gordon at Quora Mark as irrelevant Undo
Hi Zlatko, I added some code to the program in topic " An array inside a 2D array ". After the user enter five numbers and this numbers are added to the beginning of a matrix, I wanted to know if this five numbers match with the numbers inside...
Answer:
Hello Raul. If you don't need to keep the last row, then you can go back to an array of 5 rows as you...
Miningco.com Mark as irrelevant Undo
I'm doing a project for my java class and I need to change the size of an array. I know you can't actually change the size but I've heard you can do it some other way. Basically I'm writing a class for a list of int's and one of the methods I'm working...
Answer:
Addressing your last sentence. You can easily have the identifier point to a different array. Here's...
Kyle at Yahoo! Answers Mark as irrelevant Undo
So I have to sort the array of jobs using the modified bubble sort. And then print the sorted array in output. But I'm stuck because I'm not sure as to how I can approach that. This is what I have so far for my Driver.Java, but I know I must make corrections...
Answer:
you have to swap the jobs themselves not just the integer value. // In main you write like this: swap...
Nicaragu... at Yahoo! Answers Mark as irrelevant Undo
How can I change this function to display elements in descending order? It's also not displaying all the elements. Currently it gives the array in ascending order. I've tried ...show more
Answer:
Array's are passed by what...reference. You are passing values out of a function to your main file....
XO5FFJZFJTO4RGBIPUCVKKH2C4 at Yahoo! Answers Mark as irrelevant Undo
Another java newbie question. How can I import an array into an arraylist except null values? I find array to be unyielding when it comes to moving around and removing elements and reducing/increasing the size of the array. I need to use array during...
Answer:
I don't think that's possible, although I could see how you might think that's possible, since an array...
Myth at Yahoo! Answers Mark as irrelevant Undo
You are given an array of n elements [1,2,....n]. For example {3,2,1,6,7,4,5}. Now we create a signature of this array by comparing every consecutive pir of elements. If they increase, write I else write D. For example for the above array, the signature...
Suraj Adhikari at Quora Mark as irrelevant Undo
Hi I'm stuck. I want to add the contents in index 4 of array 1 into index 0 of array 2 then add the contents of index 4+32 in array 1 to index 1 of array 2 and so forth. The index 6 array 1 into index 2 in array 2. I have tried everything including converting...
Answer:
If I understand the question correctly, you're copying exactly 4 elements into array2, correct? So why...
alf shoemanuer at Yahoo! Answers Mark as irrelevant Undo
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