A list of puns related to "Global Arrays"
I am trying to accumulate the values of an array into a global array for use later. The array is recycled in a for loop, but I want to add each (edit: read "all") values of it to a "historical" array of sorts.
I have tried Array Set which obviously only keeps the last set of values because it clears the global array each loop.
I have tried Array Push which sort of works, but I end up with an array of arrays. I want an array of array values appending.
Am I missing something obvious and easy here?
Edit: Attempting to give example:
Loop 1
%local_array() = blue,orange,yellow
%local_array() -> %Global_array
%Global_array() = blue,orange,yellow
Loop 2
%local_array() = red,green,purple,pink
%local_array() -> %Global_array
%Global_array() = blue,orange,yellow,red,green,purple,pink
Loop 3
etc...
So basically I want to append all values in the local array to the Global array with each loop.
Not appending 1 value at a time, but rather the entire local array on each loop.
The local array is coming in whole from a webpage (x15) with all values preset. Just want to capture all of them in a Global for later use.
Hope this makes more sense.
Anyway, the codes I posted both work.
Thanks
Coming from a Java background. I understand that in this language, functions cannot return arrays.....they can only return pointers to arrays. Which brings many questions to mind.
Does this mean that the array has to be initialized globally before the function that alters it is called? Also if the function is modifying a global array, why does it even have to return the pointer to it? Can't you just keep track of the pointer at all times and then just refer to it after the function is called? Or is it because after modifying the array, the address to it changes and that's why its returning the pointer?
This sounds like a pretty radical change from Java. Would I have to completely restructure the way I make programs because of this or are there some tricks that I could use so that I can still continue structuring programs in the same way as I did in Java?
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I have the raycast successfully storing the hit object, as it should. But when I go to put that local variable into my global array the code breaks down.
Here is *essentially* what I have:
GameObject[] adjacentCellList;
public void ExecuteButton() //< this is called by a UI button
{
CheckNorth()
}
public void CheckNorth()
{
if (Physics.Raycast(NorthDetect.transform.position, NorthDetect.transform.TransformDirection(Vector3.forward), out RaycastHit northHit, 5))
{
Debug.DrawRay(NorthDetect.transform.position, NorthDetect.transform.TransformDirection(Vector3.forward) * northHit.distance, Color.green);
adjacentCellList[0] = northHit.transform.gameObject;
}
else
{
Debug.DrawRay(NorthDetect.transform.position, NorthDetect.transform.TransformDirection(Vector3.forward) * 10, Color.red);
}
}
This doesn't work and Im not sure why. I have also tried to use the ref key word to pass it through the function, but that is sloppy and I still couldn't get that to work.Any help is appreciated thank you so much!
Solved, check comments.
Running this code:
#include <stdio.h>
char arr[1024L1024L1024L*2L] = { [0] = 'a' };
int main() { return 0; }
I get this error:
gcc -m64 -mcmodel=large -Wall -Werror -std=gnu11 -o test-a3 test-a3.c
/usr/lib/gcc/x86_64-linux-gnu/9/crtbeginS.o: in function `deregister_tm_clones':
crtstuff.c:(.text+0x3): relocation truncated to fit: R_X86_64_PC32 against `.tm_clone_table'
crtstuff.c:(.text+0xa): relocation truncated to fit: R_X86_64_PC32 against symbol `__TMC_END__' defined in .data section in test-a3
/usr/lib/gcc/x86_64-linux-gnu/9/crtbeginS.o: in function `register_tm_clones':
crtstuff.c:(.text+0x33): relocation truncated to fit: R_X86_64_PC32 against `.tm_clone_table'
crtstuff.c:(.text+0x3a): relocation truncated to fit: R_X86_64_PC32 against symbol `__TMC_END__' defined in .data section in test-a3
/usr/lib/gcc/x86_64-linux-gnu/9/crtbeginS.o: in function `__do_global_dtors_aux':
crtstuff.c:(.text+0x76): relocation truncated to fit: R_X86_64_PC32 against `.bss'
crtstuff.c:(.text+0x9e): relocation truncated to fit: R_X86_64_PC32 against `.bss'
collect2: error: ld returned 1 exit status
make: *** [Makefile:4: build-test] Error 1
Now I understand that this will allocate space in the data section of the binary essentially making the binary bigger for 2GB(even though it doesn't work here, 1.9GB works fine). Now, is there any way to make this allow arbitrarily large numbers like 32GB?
Hello!
I am batch processing a huge number of files. My macro structure is the following:
I start the batch macro, it opens one image after another and runs two separate macros on each of these.
For each image, different parameters are stored in arrays, exported as csv etc.
Now I would like to create one array that is populated with parameters from EACH image by the macro that is run on each each image by the batch macro.
How can I create and populate global arrays in imageJ?
Thank you!
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My current state object structure (with nested arrays) is as follows:
state = {
pages: [
{
notes: [
{
...
},
...
]
},
...
]
}
So, to edit a note, I have to go through the pages to find the right page (i.e. pages.findIndex(page => page.id === pageIdArgument
)), go through the notes to find the right note, and then edit the note.
I'm thinking of switching to a structure (with nested objects) like the following:
state = {
pages: {
pageId: {
notes: {
noteId: {
...
},
...
}
},
...
}
}
To edit a note with the nested object structure, I would be able to find the right page by id (without needing to iterate through a pages array) and find the right note to edit by id (without needing to iterate through a notes array).
So, my original question of whether to use nested arrays or nested objects can be broken down into the following questions:
I have an array that in menu should change a global variable but its not changing it in my spawn object.
menu object Step:
case 0:
global.P1 = 0; break;
case 1:
global.P1 = 1; break;
case 2:
global.P1 = 2; break;
spawn object Create:
global.P1 = 1;
if global.P1 = 0
{
instance_change(oByte, true,)
}
else if global.P1 = 1
{
instance_change(oSmile, true)
}
else if global.P1 = 2
{
instance_change(oFrown, true)
}
How do I successfully change the global number?
Hi, all.
This is (the essential part of) my code:
<body>
<input type="text">
<button type="button">Click!</button><br>
<p id="out" style="background-color: lightgray">In array: </p>
</body>
<script>
const button = document.querySelector('button');
button.onclick = pushit;
var globArray = [],
inpt = document.querySelector('input'),
out = document.getElementById('out');
function pushit() {
array.push(inpt.value);
console.log(array);
out.innerText += ' ' + inpt.value;
}
</script>
Now, upon entering anything into the text input and clicking the button, the text on the paragraph is modified. However, I do need the array globArray
to be modified so as it contains everything I input in the text bar (this is the bare essential part of another project, too long to paste here). When I type into Epiphany's console globArray
, or console.log(globArray)
, I don't even get "[]"
; however, this only happens on the Epiphany browser; in Firefox and Edge (beta for Linux), querying for globArray
in the console does return what is expected. I really need to know how to solve this, or at least why it happens only in this browser. I have no way yet of installing Safari on my distro, so I cannot say whether this is a general Webkit issue. Thanks!
Hi everyone,
Recently Iβve been doing the leetcode questions of the day as a fun way to do some algorithmic puzzles. The question today was:
βYou have an array A that has N elements. The elements are a permutation of the numbers [0, 1, 2 ... N-1].
The number of (global) inversions is the number of i < j with 0 <= i < j < N and A[i] > A[j].
The number of local inversions is the number of i with <= i < N and A[i] >A[i+1].
We want to return true if and only if the number of global inversions is equal to the number of local inversions.β
SPOILER: The solution to the problem is to >!just check to see if any abs(A[i] - i) is less than or equal to 1 β effectively meaning that any number is more than 1 away from its sorted location.!<
When I was first solving the problem, basically my first solution to the problem ended up being correct. However, I donβt really that I convinced myself that it was correct. It was kinda a lucky guess that I made, and I feel like that because I knew it was correct (after submitting to see whether my code worked), I kinda convinced myself that I knew how it worked.
After thinking after it further though, I feel like Iβve missed out on the intuition/problem solving strategy on this problem. If youβve given the problem a try and ended up finding the solution, Iβm curious to hear your thought process and how you came up with the answer!
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Looking at the following code...
char *pointer
int main(){
function1();
function2();
}
void function1(){
char array[10];
pointer = array;
}
void function2(){
//This is where i want to increment my pointer, however
//I kept on getting syntax error's
}
My goal is to set the pointer to the array in one function, and because the pointer is global, I should be able to loop over the array in another function?
The part im stuck on is the syntax, so would the pointer loop look something like this ?
for {pointer; *pointer[i] != '\0'; pointer++} ?
I want to make an array in my functions.c file to be accessible for all functions and the array also should have all the information which where made in the other functions.
What do i have to do to achieve this?
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