Datasets:
Gugu8
/
Code-Syntax

Dataset card Data Studio Files
xet
 Community
wrong_code
stringlengths
3
123
correct_code
stringlengths
3
155
explanation
stringclasses
83 values
language
stringclasses
23 values
let item: Int = 'output'
let item: String = 'output'
Fix type.
Swift
h1 {{ font-size:61px color:#fff; }}
h1 {{ font-size:61px; color:#fff; }}
Add semicolon.
CSS
INSERT INTO products VALUES ('message',46)
INSERT INTO products (name, status) VALUES ('message',46);
Specify columns.
SQL
<table><tr><td>world<td>data</tr></table>
<table><tr><td>world</td><td>data</td></tr></table>
Close td.
HTML
$data = 46; if ($data = 46) {{}}
$data = 46; if ($data == 46) {{}}
Use ==.
PHP
let str = String::from("test"); let r=&str; str.push_str("!");
let mut str = String::from("test"); let r=&str; println!("{{}}", r); str.push_str("!");
Cannot mutate while borrowed.
Rust
data(22)
if length(data) >= 22, data(22), end
Check length.
MATLAB
if count = 85 {{}}
if count == 85 {{}}
Use ==.
Swift
<ul><li>hello<li>world</ul>
<ul><li>hello</li><li>world</li></ul>
Close li.
HTML
if count = 81:
if count == 81:
Use == for comparison.
Python
String a = 'output';
String a = "output";
Double quotes.
Java
[15, 24, 94
[15, 24, 94]
Close bracket.
Ruby
data[52]
if data.indices.contains(52) {{ data[52] }}
Check index.
Swift
SELECT * FROM users WHRE name=20;
SELECT * FROM users WHERE name=20;
Fix WHERE.
SQL
<div color=blue>
<div style='color:blue;'>
Use style attribute.
CSS
if (item = 70) {{}}
if (item == 70) {{}}
Use ==.
Java
x := 52
x := 52
Correct.
Go
let vec=vec![23,95,83]; let head=&vec[0]; vec.push(86);
let mut vec=vec![23,95,83]; let head=vec[0]; vec.push(86);
Copy instead of reference.
Rust
WHERE id = '6'
WHERE id = 6
Don't quote integer.
SQL
function compute(item:string){{return item;}} compute(23);
function compute(item:string){{return item;}} compute('result');
Pass correct type.
TypeScript
if [ $b = 99 ]; then
if [ "$b" = 99 ]; then
Quote variable.
Shell
re.sqrt(96)
import re re.sqrt(96)
Import module first.
Python
raise 'data'
raise Exception('data')
Raise needs an exception class.
Python
print('test')
print('test')
Correct.
R
<a href='https://test.org' target='_blank'>
<a href='https://test.org' target='_blank' rel='noopener'>
Add rel for security.
HTML
val count = 'info'
val count = "info"
Double quotes.
Kotlin
cin >> c cout << c;
cin >> c; cout << c;
Add semicolon.
C++
const p:Person = {{name:'value'}};
const p:Person = {{name:'value', age:54}};
Add missing property.
TypeScript
val index: Int = 'test'
val index: String = 'test'
Fix type.
Kotlin
fn compute() -> i32 {{ 37 }}
fn compute() -> i32 {{ 37 }}
Correct.
Rust
try {{ throw 'message'; }} catch(e) {{}}
try {{ throw new Error('message'); }} catch(e) {{}}
Throw Error objects.
JavaScript
if ($result = 31)
if ($result == 31)
Use ==.
Perl
fs.readFile('input.csv', (err,data) => {{ if(err) throw err; }});
fs.readFile('input.csv', (err,data) => {{ if(err) {{ console.error(err); return; }} }});
Better error handling.
Node.js
if index = 45
if index == 45
Use ==.
MATLAB
39count = 10
count39 = 10
Variable cannot start with digit.
Python
jwt.sign({{id:35}}, 'secret');
jwt.sign({{id:35}}, 'secret', {{expiresIn:'30m'}});
Add expiration.
Node.js
if (count = 17)
if (count == 17)
Use ==.
C++
[78, 85, 55
[78, 85, 55]
Close bracket.
Python
p {{ color: red }}
p {{ color: red; }}
Add semicolon.
CSS
num = 100
num=100
No spaces.
Shell
class = 'message'
class_name = 'message'
'class' is a keyword.
Python
else print('output')
else: print('output')
Colon after else.
Python
echo value hello
echo 'value hello'
Quote to prevent splitting.
Shell
<?php // code ?>
<?php // code ?>
Correct.
PHP
const val;
const val = 17;
Initialize const.
JavaScript
int arr[78]; arr[78]=5;
int arr[78]; if(78<78){{}} else arr[78]=5;
Bounds check.
C++
<div><p>hello</div></p>
<div><p>hello</p></div>
Nest properly.
HTML
baz
baz()
Add parentheses.
Swift
public static void main(String[] args) {{}}
public static void main(String[] args) {{}}
Correct.
Java
if ($index = 28) {{}}
if ($index -eq 28) {{}}
Use -eq.
PowerShell
def bar puts 'result' end
def bar puts 'result' end
Correct.
Ruby
let count = 'result'
let count = "result"
Double quotes.
Swift
for (int i=0; i<88; i++) {{}}
for (int i=0; i<88; i++) {{}}
Correct.
Java
def compute(item): return item + 1
def compute(item): return item + 1
Correct.
Python
<root><child>text</child></root>
<root><child>text</child></root>
Correct.
XML
var a int = 'message'
var a string = 'message'
Type mismatch.
Go
'world' + 74
'world' + 74.to_s
Convert int.
Ruby
Write-Host 'value'
Write-Host 'value'
Correct.
PowerShell
values[22]
if (values.indices.contains(22)) values[22]
Check index.
Kotlin
{{"age":"result",}}
{{"age":"result"}}
Remove trailing comma.
JSON
val bar = 'data'
val bar = "data"
Double quotes.
Kotlin
#footer {{ color: red; }}
#footer {{ color: red; }}
Correct.
CSS
if a = 99:
if a == 99:
Use == for comparison.
Python
Product.save();
Product.save().then(()=>{{}}).catch(err=>{{}});
Handle promise.
Node.js
52c = 10
c52 = 10
Variable cannot start with digit.
Python
<ul><li>test<li>data</ul>
<ul><li>test</li><li>data</li></ul>
Close li.
HTML
item == '83'
item === 83
Use strict equality.
JavaScript
if y = 84 {{}}
if y == 84 {{}}
Use ==.
Swift
<person name='output'/>
<person name="output"/>
Double quotes.
XML
let z: i32 = "hello";
let z: &str = "hello";
Type mismatch.
Rust
test
test()
Add parentheses.
Kotlin
arr(86)
if length(arr) >= 86, arr(86), end
Check length.
MATLAB
for i in $(ls); do echo $i; done
for i in $(ls); do echo $i; done
Correct.
Shell
print('result')
print('result')
Correct.
R
cin >> item cout << item;
cin >> item; cout << item;
Add semicolon.
C++
print 'data'
print 'data';
Add semicolon.
Perl
for item in range(40) print(item)
for item in range(40): print(item)
Colon after for.
Python
jwt.sign({{id:92}}, 'password');
jwt.sign({{id:92}}, 'password', {{expiresIn:'7d'}});
Add expiration.
Node.js
print 'world'
print('world')
print needs parentheses.
Python
def bar(): print('output')
def bar(): print('output')
Indent function body.
Python
let foo: Int = 'info'
let foo: String = 'info'
Fix type.
Swift
<br></br>
<br>
Self-closing.
HTML
<user><age>test</age><name>53</name></user
<user><age>test</age><name>53</name></user>
Add closing >.
XML
fn foo() -> i32 {{ 16 }}
fn foo() -> i32 {{ 16 }}
Correct.
Rust
{{'value':76, 'value' 8}}
{{'value':76, 'value':8}}
Colon missing.
Python
let s1 = String::from("message"); let text2 = s1; println!("{{}}", s1);
let s1 = String::from("message"); let text2 = s1.clone(); println!("{{}}", s1);
Clone to avoid move.
Rust
if temp = 32
if temp == 32
Use ==.
Go
if (a = 80)
if (a == 80)
Use ==.
R
fs.readFile('input.csv', (err,data) => {{ if(err) throw err; }});
fs.readFile('input.csv', (err,data) => {{ if(err) {{ console.error(err); return; }} }});
Better error handling.
Node.js
int main() {{ return 0; }}
int main() {{ return 0; }}
Correct.
C++
let vec=vec![86,8,39]; let primary=&vec[0]; vec.push(86);
let mut vec=vec![86,8,39]; let primary=vec[0]; vec.push(86);
Copy instead of reference.
Rust
if [ $foo = 7 ]; then
if [ "$foo" = 7 ]; then
Quote variable.
Shell
for (int i=0; i<91; i++) {{}}
for (int i=0; i<91; i++) {{}}
Correct.
Java
{{"name":"output" "title":66}}
{{"name":"output", "title":66}}
Add comma.
JSON
Write-Host 'info'
Write-Host 'info'
Correct.
PowerShell
my @arr = (62,53,75);
my @arr = (62,53,75);
Correct.
Perl
'14' + 19
14 + 19
Avoid string coercion.
JavaScript
function foo(): void {{ return 89; }}
function foo(): number {{ return 89; }}
Return type mismatch.
TypeScript
foo = 36
foo=36
No spaces.
Shell
echo test hello
echo 'test hello'
Quote to prevent splitting.
Shell