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Programmatically scroll to a specific position in an Android ListView
...
For a direct scroll:
getListView().setSelection(21);
For a smooth scroll:
getListView().smoothScrollToPosition(21);
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Can I bind an array to an IN() condition?
...(0, count($ids), '?'));
$db = new PDO(...);
$stmt = $db->prepare(
'SELECT *
FROM table
WHERE id IN(' . $inQuery . ')'
);
// bindvalue is 1-indexed, so $k+1
foreach ($ids as $k => $id)
$stmt->bindValue(($k+1), $id);
$stmt->execute();
?>
fix: dan, you were right. ...
Moving project to another folder in Eclipse
...
Right click on the Eclipse project in the Package Explorer, select Refactor, then select Move... In the dialog that comes up, enter or navigate to the new location and click OK. This will also preserve your CVS or other SCM metadata, but will also bring all your modifications as well...
Code snippet or shortcut to create a constructor in Visual Studio
...a C# project.
So how to make a constructor
Press Ctrl+K and then Ctrl+X
Select Visual C#
Select ctor
Press Tab
Update: You can also right-click in your code where you want the snippet, and select Insert Snippet from the right-click menu
...
Edit a commit message in SourceTree Windows (already pushed to remote)
...most recent commit) using SourceTree for Windows version 1.5.2.0:
Step 1
Select the commit immediately before the commit that you want to edit.
For example, if I want to edit the commit with message "FOOBAR!" then I need
to select the commit that comes right before it:
Step 2
Right-click on th...
How to set auto increment primary key in PostgreSQL?
...able(moobars,foobars) values('worldwide interblag','2012-05-02')
Step 3, select * from your table:
el@voyager$ psql -U pgadmin -d kurz_prod -c "select * from epictable"
Step 4, interpret the output:
mytable_key | moobars | foobars
-------------+-----------------------+------...
What is the advantage of using heredoc in PHP? [closed]
...e day I used to use them to construct SQL queries:
$sql = <<<SQL
select *
from $tablename
where id in [$order_ids_list]
and product_name = "widgets"
SQL;
To me this has a lower probability of introducing a syntax error than using quotes:
$sql = "
select *
from $tablename
where ...
Why am I getting “Cannot Connect to Server - A network-related or instance-specific error”?
...ation
Click on Surface Area Configuration for Services and Connections
Select the instance that is having a problem > Database Engine > Remote Connections
Enable local and remote connections
Restart instance
You may need to create an exception on the firewall for the SQL Server ...
MySQL: @variable vs. variable. What's the difference?
...ialize this variable with a SET statement or inside a query:
SET @var = 1
SELECT @var2 := 2
When you develop a stored procedure in MySQL, you can pass the input parameters and declare the local variables:
DELIMITER //
CREATE PROCEDURE prc_test (var INT)
BEGIN
DECLARE var2 INT;
SET var2 =...
Remove rows with all or some NAs (missing values) in data.frame
...na.omit is nicer for just removing all NA's. complete.cases allows partial selection by including only certain columns of the dataframe:
> final[complete.cases(final[ , 5:6]),]
gene hsap mmul mmus rnor cfam
2 ENSG00000199674 0 2 2 2 2
4 ENSG00000207604 0 NA NA ...