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How to send a field of form Null into database?
php#webdeveloper
0 Voto
1 Resposta
10th Nov 2022, 2:03 AM
parajal12
Can do this guys. Showing null value.Plz Help me out.
java
oop
program
0 Voto
1 Resposta
20th May 2020, 5:22 PM
Student 31
How to fix this error 'cannot set properties of null (setting 'innerhtml')'?
html
javascript
website
0 Voto
2 Respostas
25th Jul 2022, 3:56 PM
Wage
Can I have a Double (object) with null value in Java?
double
java
objects
1 Voto
2 Respostas
20th Aug 2018, 1:27 PM
Andrés Felipe Moreno Torres
What is null time exception error how to resolve it
java
static
0 Voto
2 Respostas
2nd Dec 2016, 2:47 PM
Neeraj Vaid
Are there any reason why using NULL in pointer ? Why not 0?
c++
2 Votos
5 Respostas
14th May 2017, 2:57 AM
Setiawan Next
PHP Warning: mysqli_real_escape_string() expects parameter 1 to be mysqli, null given in
$thevalue
php
1 Voto
3 Respostas
6th May 2018, 9:21 PM
Kelly Arnold
PHP Warning: mysqli_real_escape_string() expects parameter 1 to be mysqli, null given
1
be
expects
given
in
mysqli
mysqli_fetch_assoc()
mysqli_query()
mysqli_result
null
parameter
php
to
warning:
1 Voto
1 Resposta
6th Nov 2018, 7:04 AM
Keaikitse Zlatan Modise
How can I permanently delete all my data, my existence from SoloLearn Community?
null
void
2 Votos
8 Respostas
29th Mar 2017, 12:32 PM
Solo Wanderer 4315
Как исправить ошибку" Cannot set property 'value' of null "?
html
javascript
0 Voto
1 Resposta
23rd Dec 2016, 11:01 AM
ernwest
Why System.out when printed gives it's address and not null ?
java
1 Voto
2 Respostas
15th Feb 2018, 5:33 PM
SDJava
What's the difference between (NOT NULL + UNIQUIE) and Primary key.?
database
dbms
mysql
oracle
sql
0 Voto
1 Resposta
1st Dec 2018, 12:16 AM
Kishor Jena
Why do I get an error. Can't read value of null on getContext?
javascript
1 Voto
2 Respostas
13th Apr 2022, 2:18 PM
Nate Washburn
trying to access array offset on value of type null in php 7.4
if-statements
2 Votos
2 Respostas
26th Dec 2020, 8:27 AM
Ramavtar Rajpoot
How to define default value of a variable containing null if it's null?
js
prompt
2 Votos
1 Resposta
30th Aug 2022, 11:38 AM
Parth
How to use inArray to check whether an array contains null value?
#inarray
#javascript
#jquery
#php
#sololearn
#validation
0 Voto
3 Respostas
8th Jun 2018, 6:30 AM
anshu
"<div class="img"></div> " won't show when scrolling. I have this error: Cannot read property 'classList' of null
#window.onscroll
functions
3 Votos
8 Respostas
21st Dec 2018, 10:49 PM
noUseForAName
What happens when we use arrow operator on NULL structure pointer ?
arrow_operator
c
null
structure_pointer
0 Voto
1 Resposta
29th Feb 2020, 2:55 PM
Chris Jones
When i am using name-it is escaping and it dispalys null pointer assignment??
input
output
1 Voto
2 Respostas
2nd Apr 2019, 1:42 PM
Teja
why its not working? it says cannot set elements (innerHTML) of null
html
js
0 Voto
3 Respostas
4th Dec 2017, 7:00 AM
Ashraful Ash
How do I stop calling a function when it returns NULL pointer? [C]
c
functions
memory
null
pointers
1 Voto
2 Respostas
1st Jan 2020, 11:23 PM
ja008
Is scanf () function automatically allocate space for null terminator like fgets()? In C
null
terminator
3 Votos
1 Resposta
14th Oct 2020, 6:24 AM
Yogeshwaran P
What is the solution for, cannot read property 'getcontext' of null canvas
canvas
html
javascript
0 Voto
2 Respostas
18th Mar 2019, 8:16 PM
Lweendela Kankoloto
FIXED. (HELP: getElement returns null when it worked before! Tried to fix it all day and nothing changed.)
bug
getelementbyid
help
html
javascript
js
null
queryselector
self-learning
style
0 Voto
8 Respostas
11th Jan 2024, 12:53 AM
Bianca Clara Correia Kusunoki
Why am I getting uncaught type error cannot read properties of null (reading 'push')
arrays
crud
debugger
javascript
json
local-storage
0 Voto
2 Respostas
1st Sep 2022, 3:55 PM
steve Purpose
Is there any simple way to declare a null array of size n in python?
array
null
python
0 Voto
3 Respostas
23rd Jun 2018, 2:23 PM
Akshaya Rajesh
please help
null
pointers
0 Voto
3 Respostas
17th Aug 2021, 4:51 PM
Rinchin Khandu Khochhilu
Why document.getElementById("validId ") return null even though the document is loaded and the id is valid.
javascript
web
1 Voto
7 Respostas
13th Mar 2018, 5:28 PM
josh mizzi
What is the diffrence (in examples) between undefined, null, NaN ?
difrence
nan
null
undefined
22 Votos
10 Respostas
24th Apr 2019, 6:33 PM
Sławek J.
Hello good afternoon. How to declare Boolean data type member as a null in default constructor ?
java
3 Votos
8 Respostas
11th Nov 2017, 9:51 AM
raix832
what is the use of null in rand ? how it is work
c++
0 Voto
3 Respostas
4th Nov 2016, 7:07 AM
KG Feignh
Can any one tell java does not support pointer then why get null pointer exception.
java
operators
1 Voto
3 Respostas
24th Oct 2018, 4:18 AM
DEVENDRA KUMAR
Why mostly in c program using pointer pointer is daclared in this way ? *ptr = NULL
c
pointers
1 Voto
4 Respostas
6th Mar 2020, 8:17 AM
Yash Chaudhari
Why i would need to use "Null"?
c#
null
0 Voto
6 Respostas
12th Jan 2017, 6:59 PM
Mohamed Ammar
Do we need to set the object to null to invoke the destructor?
c#
inheritance
1 Voto
2 Respostas
16th Jun 2016, 5:03 AM
Michael Aries Malaca
I am getting null pointer while loading audit information,but audit is array
java
1 Voto
1 Resposta
18th May 2017, 11:00 AM
Hari k
Can someone please explain why (in what situation) a pointer is initialized with NULL?
c++
null
pointers
7 Votos
8 Respostas
26th Jun 2018, 5:00 PM
N@G3
Why is this element null?
javascript
null
1 Voto
2 Respostas
22nd May 2019, 12:53 AM
Archie
Is the order of NOT NULL and AUTO_INCREMENT statements after the column name important?
sql
0 Voto
2 Respostas
17th Aug 2020, 11:09 PM
Ali Rezaei
{SOLVED!} JavaScript + Html Error - Uncaught TypeError: Cannot set property 'innerHTML' of null Line: 10
help
html
javascript
js
0 Voto
3 Respostas
27th Apr 2020, 8:28 PM
DevHaz
how to remove or avoid the error of "exception in thread main java.lang null pointer exception"
java
1 Voto
5 Respostas
24th Jul 2016, 5:59 PM
Mohammad Bhanpurwala
CREATE TABLE Users ( id int NOT NULL AUTO_INCREMENT, username varchar(40) NOT NULL, password varchar(10) NOT NULL, PRIMARY
sql
tables
3 Votos
6 Respostas
14th Jul 2017, 2:24 PM
Ramesh
Java Problem I
interfaces
null
1 Voto
2 Respostas
9th Jul 2020, 6:00 AM
James Clark I. Vinarao
How do I change the image src attribute through javascript?
javascript
null
src
2 Votos
8 Respostas
19th Jun 2020, 9:42 PM
tori the crafter 💛
Please tell me difference between NIL and NULL..
nil
null
2 Votos
3 Respostas
25th Sep 2017, 1:33 PM
Mithun Verma
Why console is displaying error ??
error
javascript
null
4 Votos
8 Respostas
29th Oct 2018, 8:42 PM
Arushi Singhania
Why do we need to store a null value in vTable for a pure virtual function?
c++
functions
overriding
polymorphism
virtual
1 Voto
3 Respostas
18th Mar 2018, 3:12 PM
Ashish Gaur
Why when using instanceof in java to a null variable the output would be flase
instanceof
java
0 Voto
2 Respostas
3rd Dec 2018, 5:41 PM
Ishaq Za'rour
why am i getting a null return with this code at the bottom? You are a + year
help
java
null
please
0 Voto
7 Respostas
9th Feb 2018, 2:10 AM
Todd Caputo
Javascript NaN
javascript
nan
null
3 Votos
4 Respostas
23rd May 2020, 11:53 AM
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0 Votes
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