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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...
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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conditional unique constraint
... CheckActiveCount(
@Id INT
) RETURNS INT AS BEGIN
DECLARE @ret INT;
SELECT @ret = COUNT(*) FROM CheckConstraint WHERE Id = @Id AND RecordStatus = 1;
RETURN @ret;
END;
GO
ALTER TABLE CheckConstraint
ADD CONSTRAINT CheckActiveCountConstraint CHECK (NOT (dbo.CheckActiveCount(Id) > 1 AND...
Changing API level Android Studio
... stable, there is an easy way to do it.
Right click on your project file
Select "Open Module Settings"
Go to the "Flavors" tab.
Select the Min SDK Version from the drop down list
PS: Though this question was already answered but Android Studio has changed a little bit by its stable release....
How can I prevent SQL injection in PHP?
...
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...
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
...
AngularJS - Binding radio buttons to models with boolean values
...t when I use your solution and change the radio buttons all that were once selected are true and they don't switch back to false. Is there a solution for this? (problem also exists in OP's Fiddle)
– Dominik G
Apr 16 '15 at 10:05
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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 to edit incorrect commit message in Mercurial? [duplicate]
...-amend option.
and in tortoiseHg, you can use "Amend current revision" by select black arrow on the right of commit button
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Entity Framework: There is already an open DataReader associated with this Command
...al commands executed on single connection (or single command with multiple selects) while next DataReader is executed before first one has completed the reading. The only way to avoid the exception is to allow multiple nested DataReaders = turn on MultipleActiveResultSets. Another scenario when this...