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How can I make a div stick to the top of the screen once it's been scrolled to?
...ement {
background-color: #c0c0c0;
position:fixed;
top:0;
width:100%;
z-index:100;
}
Edit: You should have the element with position absolute, once the scroll offset has reached the element, it should be changed to fixed, and the top position should be set to zero.
You can det...
In MySQL queries, why use join instead of where?
... in the WHERE clause
SELECT *
FROM TABLE_A a,
TABLE_B b
WHERE a.id = b.id
Here's the query re-written using ANSI-92 JOIN syntax:
SELECT *
FROM TABLE_A a
JOIN TABLE_B b ON b.id = a.id
From a Performance Perspective:
Where supported (Oracle 9i+, PostgreSQL 7.2+, MySQL 3.23+, SQ...
How do I parse JSON with Objective-C?
...NSClassFromString(@"NSJSONSerialization"))
{
NSError *error = nil;
id object = [NSJSONSerialization
JSONObjectWithData:returnedData
options:0
error:&error];
if(error) { /* JSON was malformed, act appropriately here */...
How to format numbers as currency string?
...(number - i).toFixed(decPlaces).slice(2) : "");
}
document.getElementById("b").addEventListener("click", event => {
document.getElementById("x").innerText = "Result was: " + formatMoney(document.getElementById("d").value);
});
<label>Insert your amount: <input id="d" type="text"...
How to remove an item from an array in AngularJS scope?
...ete($index)">Delete</a>
Controller:
$scope.delete = function ( idx ) {
var person_to_delete = $scope.persons[idx];
API.DeletePerson({ id: person_to_delete.id }, function (success) {
$scope.persons.splice(idx, 1);
});
};
...
SQL/mysql - Select distinct/UNIQUE but return all columns?
...ue.. Any other aggregate function available to address boolean – signonsridhar 6 mins ago. Sum(dynamic) changed false to 1
– signonsridhar
Aug 22 '16 at 2:00
...
Android Notification Sound
...otification to make a sound. It will vibrate and flash the light. The android documentation says to set a style which I've done with:
...
Error: Tablespace for table xxx exists. Please DISCARD the tablespace before IMPORT
...fe) that should fix the problem.
$ ls /var/lib/mysql
table1.frm
table1.idb
table2.frm
table2.ibd
table3.idb <- problem table, no table3.frm
table4.frm
table4.idb
$ mkdir /tmp/mysql_orphans
$ mv /var/lib/mysql/table3.ibd /tmp/mysql_orphans/
One caveat though, make sure what ever is causing ...
How to convert int[] to Integer[] in Java?
... anyway. I think it comes down to personal preference - I prefer one overridden function, some love using more explicit class.
– Sheepy
Jun 5 '15 at 5:39
2
...
Extract public/private key from PKCS12 file for later use in SSH-PK-Authentication
...:mypassword. stackoverflow.com/a/27497899/206277
– nidheeshdas
Feb 7 '16 at 7:01
2
@ChristopherK...