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Tricks to manage the available memory in an R session
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I make aggressive use of the subset parameter with selection of only the required variables when passing dataframes to the data= argument of regression functions. It does result in some errors if I forget to add variables to both the formula and the select= vector, but it sti...
Making the Android emulator run faster
...ve to properly shut down your emulator device (hold the power button, then select Power off) to avoid having errors when you start it the next time (I could just close the ARM emulator, but with the Intel emulator, just closing seems to create problems).
– ADTC
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Jump to function definition in vim
... mentioned you have to use ctags.
You could also consider using plugins to select appropriate one or to preview the definition of the function under cursor.
Without plugins you will have a headache trying to select one of the hundreds overloaded 'doAction' methods as built in ctags support doesn't ...
How do you force Visual Studio to regenerate the .designer files for aspx/ascx files?
... Designer.cs file BY RIGHT CLICKING the aspx file in Solution Explorer and selecting delete. This worked for me in VS 2010.
– DeveloperDan
May 16 '12 at 21:02
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Restore Eclipse subversion project connection
...h Subversive, I did:
File/Import brings up the Import popup.
From there, select General/Existing Projects in to Workspace.
In the next pane, you select the root directory. Then it will show you all the
subdirectories. They'll all be selected by default.
Unselect the ones you don't want.
It will ...
How to get the Android device's primary e-mail address
...T_DIRECTORY),
ProfileQuery.PROJECTION,
// Select only email addresses.
ContactsContract.Contacts.Data.MIMETYPE + " = ?",
new String[]{ContactsContract.CommonDataKinds.Email.CONTENT_ITEM_TYPE},
// Show primary email add...
How do I update a Linq to SQL dbml file?
... was getting 'Specified cast is not valid' errors when performing a simple select on a view. Including 1b fixed it for me
– tomfumb
Nov 29 '11 at 19:40
6
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How can I make a horizontal ListView in Android? [duplicate]
...d of "HorizontalListView", the "i" is too much) to update child-views when selected.
UPDATE: My code that I posted here was wrong I suppose, as I ran into trouble with selection (i think it has to do with view recycling), I have to go back to the drawing board...
UPDATE 2: Ok Problem solved, I sim...
How can I prevent SQL injection in PHP?
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Using PDO (for any supported database driver):
$stmt = $pdo->prepare('SELECT * FROM employees WHERE name = :name');
$stmt->execute([ 'name' => $name ]);
foreach ($stmt as $row) {
// Do something with $row
}
Using MySQLi (for MySQL):
$stmt = $dbConnection->prepare('SELECT * FROM...
How to generate a new Guid in stored procedure?
... using SQL Server. I'm sure other database system have similar functions.
select NEWID()
If you're using Oracle then you can use the SYS_GUID() function. Check out the answer to this question: Generate a GUID in Oracle
sh...