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Difference between 2 dates in SQLite
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SELECT julianday('now') - julianday(DateCreated) FROM Payment;
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How to check in Javascript if one element is contained within another
...arentNode)&&c!==p);
return !!c;
}
..or as one-liner (just 64 chars!):
function childOf(c,p){while((c=c.parentNode)&&c!==p);return !!c}
and jsfiddle here.
Usage:
childOf(child, parent) returns boolean true|false.
Explanation:
while evaluates as long as the while-condition...
Find an item in List by LINQ?
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If you want the index of the element, this will do it:
int index = list.Select((item, i) => new { Item = item, Index = i })
.First(x => x.Item == search).Index;
// or
var tagged = list.Select((item, i) => new { Item = item, Index = i });
int index = (from pair in tagged
...
How to collapse all methods in Xcode?
...upport for folding blocks of code from the folding ribbon, from structured selection, or from the
Menubar ► Editor ► Code Folding ► Fold menu item
Look at this snapshot:
Code folding was disabled in Xcode 9 beta 1, which is working now, in Xcode 9 Beta5 according to beta relea...
Effective method to hide email from spam bots
...'@'), indexOf('mailto:'), etc. The parsing thread would receive only +-200 chars around the match which would allow so complex parsing that it would 'appear' to be infinite in terms of parsing power.
– Jani Hyytiäinen
Feb 28 '15 at 8:33
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What are the most common SQL anti-patterns? [closed]
...ost programmers' tendency to mix their UI-logic in the data access layer:
SELECT
FirstName + ' ' + LastName as "Full Name",
case UserRole
when 2 then "Admin"
when 1 then "Moderator"
else "User"
end as "User's Role",
case SignedIn
when 0 then "Logged i...
PDO's query vs execute
... multiple times. Example of prepared statements:
$sth = $dbh->prepare('SELECT name, colour, calories FROM fruit
WHERE calories < :calories AND colour = :colour');
$sth->bindParam(':calories', $calories);
$sth->bindParam(':colour', $colour);
$sth->execute();
// $calories or $color...
Creating a div element in jQuery [duplicate]
... @halfer vice versa then, use single quotes in javascript for selectors and any appended html with double quotes.
– Ricki
Oct 22 '11 at 18:04
72
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Android AlertDialog Single Button
...>
public class MainActivity extends AppCompatActivity {
String select;
String[] fruitNames;
Button infoDialog, iconDialog, rateDialog, singleOptionDialog, multiOptionDialog;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstan...
ssh “permissions are too open” error
...ress Add... then type your name in the text box "Enter the object names to select" then press Check Names button (and press OK and another OK) then your name should be listed in the Security tab
– Supawat Pusavanno
Oct 16 '19 at 19:23
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