62,267 questions
0
votes
1
answer
22
views
View to merge multiple rows of a table in one [duplicate]
I have a table in which for every mission i get multiple rows with the status of said mission
# ID, ID_MISSION, CODE, ERROR, TIMESTAMP
'8', '1', 'MSN_ACK', '0', '2025-04-29 15:02:16'
'9', '1', '...
-3
votes
0
answers
107
views
How can I restructure my code to avoid having a loop where each iteration depends on multiple if-else branches? [closed]
I have this code for my school assignment:
void doAction(int &counter, int &position, int action){
if (action == 3) {
position = (position + 1) % numOfValues;
} else {
counter = (...
- 5
-1
votes
0
answers
26
views
Java error: missing return statement in BinSearch [duplicate]
I am figuring out searching algorithms and when I copied the following code, I received the error "missing return statement".
I would also like to know why int k (supposedly the number I'm ...
0
votes
0
answers
20
views
if sum=0 in columnA then 1 else 0 not working on 1 specific row
I have a simple sum column and a simple if statement in sum 0 tjek that says "if sum antal=0 then 1 else 0"
But on the last row it returns 0 instead of 1.
I have tried to change the number ...
-1
votes
2
answers
60
views
When should I use switch instead of if in Dart? [closed]
I’m confused about when to use switch vs if in Dart. I want to know which one is better for specific situations and when to choose one over the other.
I tried using both if and switch to check a ...
- 25
-2
votes
2
answers
80
views
Why do i need to use rising_edge in this VHDL code? [duplicate]
so what is the difference between these two vhdl programs:
process(clk)
begin
if(clk=1)
q<=d;
end if;end process;
and this one:
process(clk)
begin
if(rising_edge clk)
q<=d;
end if;end ...
- 11
0
votes
1
answer
78
views
Using 'if let varName {...}' in Swift when varName is previously declared as a var
Fairly experienced coder here. Here is some Swift code in a playground:
var word : String? = "Hello, World!"
if let word {
print("it is a \(word)")
}
else {
print("The ...
- 11
4
votes
4
answers
181
views
How to do multiple if/else logic calculations and apply them to several columns in a dataframe?
Suppose I have a dataframe df in R like this:
A B C D
1.4 4.0 6.0 1.0
2.5 1.5 2.4 2.3
3.0 1.7 2.5 3.4
Say I want to write a function that checks the value of each cell ...
- 209
-2
votes
0
answers
31
views
CS0029 Error message. How can I convert string type to bool type [duplicate]
I have another problem at c#. I have a label and a Textbox. The label can take only two value as "Personal" and "Service". if the label's value is "Personal", the TextBox'...
- 1
0
votes
1
answer
37
views
Microsoft PowerApps Table Lookup - Navigating to Different Screens Based on User Type
I'm having trouble getting this login page to work. It needs to take the user to a specific page depending on their credentials. There are 3 different tables for the different types of users.
This is ...
- 1
0
votes
4
answers
168
views
Can I check the value of the array within a two dimensional array in C
char array[8][13];
memset (&array, 0, sizeof(array));
/* this is a rough example this is in a struct that is memset */
if (array[0])
{
printf("this is valid"); /* again this code is ...
- 11
0
votes
1
answer
95
views
Best practices for handling multiple nil/invalid checks without throwing an exception
The following ruby method is expected to return either an array or nil, depending on whether or not the api call was successful.
# @return [Array or nil] - but should not throw error if anything ...
- 1,482
0
votes
0
answers
35
views
If a cell contains 3 different texts then today's date
I am trying to add today's date on a column if that column contains 3 different words. I can do it with 1 word but no with 3 different.
More specific: If B11 contains "Accepted, rejected or ...
- 1
-1
votes
1
answer
60
views
How do I make it check if the specific text is put or not with another text?
import time
list = ["@gmail.com", "@yahoo.com", "@outlook.com"]
email = input("Email: ")
time.sleep(1.5)
if email in list:
print(email)
else:
...
- 11
1
vote
2
answers
94
views
Dynamically updating and doing math on arrays in Excel
I am dynamically populating an array in Excel from another array in a different sheet based on a criteria and was successful in that but now I wish to auto update the returned total based on another ...
