girin | Define GraphQL types linked to classes | GraphQL library
kandi X-RAY | girin Summary
kandi X-RAY | girin Summary
Define GraphQL types linked to classes.
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QUESTION
I have a widget where I take input from the user. When the user inputs the variables normally and pushes the save button, there is no problem. When the user deletes the input after he/she gives some input, my app breaks. My question is: how can I understand when the user deletes the input and have my app correctly handle that?
...ANSWER
Answered 2021-Mar-15 at 23:29Inside the onChanged, first check if(value.isNotEmpty). You can abort anything that is going to be done with the empty value by putting return; in case that value.isNotEmpty returns false. Also you could display a message that tells the user that the input should not be empty.
I also recommend using onSubmitted or onEditingComplete instead of onChanged so that it only checks or does something when the user finished inputting text and not after every character.
QUESTION
main ()
{
int a,b,toplam;
float ort;
printif("iki sayi girin :");
scanf("%d,%d",%a,%b);
toplam=a+b;
ort=toplam/2;
printif("Ortalama= %f olarak hesaplandı.",ort);
}
ANSWER
Answered 2021-Jan-24 at 08:03Replace scanf("%d,%d",%a,%b); with scanf("%d,%d",&a,&b);
Check this answer for more information.
QUESTION
My 1st aim is to open tab with id:delft by using Factory function from .kv file on button click from the Popup section.(button id: buttontx) When I click the button, I receive this error: on_press: Factory.MyLayout().switch_to(MyLayout.ids.delft) NameError: name 'MyLayout' is not defined.
My second aim is to create database from popup .kv and display the name in the tab. Yet I could not start it because I am searching for a solution to my primary problem. Down below you may see my .py and .kv codes.
.PY
...ANSWER
Answered 2021-Jan-22 at 02:55I don't see any need to use Factory to open a tab. Just change:
QUESTION
I split the screen in half by 3/5. I added the "table" widget to the bottom part. But I want the bottom to be scrollable. I added SingleChildScrollView but it doesn't work. What should I do?
...ANSWER
Answered 2020-Nov-29 at 21:07You can give a height to your container that wrapped your table and wrap your table with Listview. You can scroll the tablerow now.
QUESTION
i want to do this, example of what i want to do:
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
and this is my code my result
1 1 2 1 2 3 1 2 3 4 1 2 3 4 5
...ANSWER
Answered 2020-Nov-05 at 18:37You're almost there, but you don't have a linebreak in between the x values.
You can do this in a single line by using join to connect each set of values with the separator you want:
QUESTION
Simply, I have a linear layout that separates the screen to 2 pieces from middle and in the first piece I have a constraint layout that contains mountain.png .Because of i set NoActionBar and white for statusBarColor in Themes.xml, as a result above the image there is area that seems white.So I want to remove the white area and scale the image through status bar of the phone.
I tried to remove status bar, it didn't work. I tried to add android:fitsSystemWindows="true" attribute to .XML file and it didn't work too.
My .xml file
...ANSWER
Answered 2020-Nov-01 at 08:13write this on your activity onCreate:
QUESTION
#include
#include
struct student{
char name[20];
char lastName[20];
int number;
};
int main(){
struct student students[2];
int i;
for(i=0;i<2;i++){
printf("%d nci ogrencinin bilgilerini girin:",i+1);
scanf("%s %s %d",students[i].name,students[i].lastName,&students[i].number);
}
for(i=0;i<2;i++){
printf("%d nci ogrencini bilgileri %s %s %d",students[i].name,students[i].lastName,students[i].number);
}
return 0;
}
ANSWER
Answered 2020-Oct-12 at 20:21Do steps:
- Add "&" sign in scanf before first two variables.
- Add i+1 in second printf before other variables.
QUESTION
This is my first time using stackoverflow. I don't know if i am doing it right. So anyways, i am trying to make calculator on Java. I am not sure how to explain my problem. operations in methods don't get saved. when i try to add number, it doesn't apply to last state of it. it applies to first number i gave. can you help me?
...ANSWER
Answered 2020-Jan-14 at 18:17Try to move this section inside the while loop. This way anasayi gets reassigned
QUESTION
I want to write a C program which can find the largest and the second-largest numbers among the five numbers. that would be great if I could've written this only using if-else operators.
like this(but it should be 5 numbers and it should find the second largest number)
...ANSWER
Answered 2019-Nov-12 at 15:49It's easier to do this in a for loop;
QUESTION
i want to create a program which prints biggest first number and biggest second number when i enter 5 number.(1.value of the number is=0) .there is no problem when i enter 5 numbers bigger than 0, but when i enter 5 numbers smaller than 0 , program prints first biggest number is 0 and second biggest number is 1.
...ANSWER
Answered 2019-Oct-30 at 10:09There are two problems:
firststarts out as0. Ifnumberis negative,if (number > first)is false.secondis used uninitialised ifnumber <= first.
Use INT_MIN for your initial values, this is the most negative integer you can have. Use this declaration
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