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How can I drop all the tables in a PostgreSQL database?
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You can write a query to generate a SQL script like this:
select 'drop table "' || tablename || '" cascade;' from pg_tables;
Or:
select 'drop table if exists "' || tablename || '" cascade;' from pg_tables;
In case some tables are automatically dropped due to cascade option in a...
PHP MySQL Google Chart JSON - Complete Example
... else
{
//echo ("Connect Successfully");
}
$query = "SELECT Date_time, Tempout FROM alarm_value"; // select column
$aresult = $con->query($query);
?>
<!DOCTYPE html>
<html>
<head>
<title>Massive Electronics</title>
<script ty...
Html List tag not working in android textview. what can i do?
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Instead of using the pasted bullet character, it may be better to use the unicode character: output.append("\n\t\u2022");
– Matt McMinn
Mar 10 '13 at 17:14
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F12 no longer works in Visual Studio
...: Resharper > Options > Environment > Keyboard & Menus > (Select Visual Studio under Keyboard Shortcuts) > Apply Scheme > Save
– Rahul R.
Jun 3 '14 at 9:29
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Stash only one file out of multiple files that have changed with Git?
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You can also use git stash save -p "my commit message". This way you can select which hunks should be added to stash, whole files can be selected as well.
You'll be prompted with a few actions for each hunk:
y - stash this hunk
n - do not stash this hunk
q - quit; do not stash this hun...
How to find a Java Memory Leak
... tools I tried).
When you open the dump, the first screen shows you a pie chart with the biggest objects (counting retained heap) and one can quickly navigate down to the objects that are to big for comfort. It also has a Find likely leak suspects which I reccon can come in handy, but since the nav...
How can I create a keystore?
... the lifespan of your app.
4- On the Generate Signed APK Wizard window, select a keystore, a private key, and enter the passwords for both. Then click Next.
5- On the next window, select a destination for the signed APK and click Finish.
referance
http://developer.android.com/tools/publishing/a...
CSS Child vs Descendant selectors
I am a bit confused between these 2 selectors.
8 Answers
8
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Why use the INCLUDE clause when creating an index?
...ot in the WHERE/JOIN/GROUP BY/ORDER BY, but only in the column list in the SELECT clause.
The INCLUDE clause adds the data at the lowest/leaf level, rather than in the index tree.
This makes the index smaller because it's not part of the tree
INCLUDE columns are not key columns in the index, so th...
JQuery: detect change in input field [duplicate]
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});
If you use the change handler, this will only fire after the user deselects the input box, which may not be what you want.
There is an example of both here: http://jsfiddle.net/6bSX6/
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