What do you want to save?
Add Code snippet
New code examples
-
Javascript 2021-09-05 21:43:02
check if an id exists javascript
var myEle = document.getElementById("myElement"); if(myEle){ var myEleValue= myEle.value; } //the return of getElementById is null if an element is not actually //present inside the dom, so your if statement will fail, because... Add solution -
SQL 2021-09-05 18:35:02
left join multiple tables postgresql
-- LEFT OUTER JOIN is equivalent to LEFT JOIN -- b.VALUE1 is null when ID not in table2 (idem for c.VALUE1 in table3) SELECT a.ID, a.NAME, b.VALUE1, c.VALUE1 FROM table1 a LEFT OUTER JOIN table2 b ON a.ID = b.ID LEFT OUTER JOIN table3 c ON a.ID = c.I... Add solution -
Other 2021-09-05 07:53:02
postgres set null
UPDATE table1 SET column_a IS NULL WHERE column_b = 'XXX'; Add solution -
SQL 2021-09-05 03:16:02
mysql get count of rows
SELECT COUNT(*) FROM my_table; SELECT COUNT(*) FROM my_table WHERE my_column IS NULL; SELECT COUNT(*) FROM my_table WHERE my_column = 'my_value'; SELECT COUNT(DISTINCT tel) gender_count, COUNT(DISTINCT CASE WHEN gender = 'male' THEN tel END) male... Add solution -
Other 2021-09-04 17:00:02
set sprite unity
public Sprite sprite1; // Drag your first sprite here public Sprite sprite2; // Drag your second sprite here private SpriteRenderer spriteRenderer; void Start () { spriteRenderer = GetComponent<SpriteRenderer>(); // we are accessing the Sprit... Add solution
Best helpers
Londonbus
+5
Xles
+5
Arpine
+5
Jake Lin
+5
Alpha Du
+5
Wdihtwtd26
+5
Taj Moore
+5
Sandeep Rai
+5
Bassguy
+5
Codeswitcher
+5
Felix Jordan
+5