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Cocoa Core Data efficient way to count entities
...an efficient way to make a count over an Entity-Type (like SQL can do with SELECT count(1) ...). Now I just solved this task with selecting all with NSFetchedResultsController and getting the count of the NSArray ! I am sure this is not the best way...
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How to center a checkbox in a table cell?
... myTextEditBox
</td>
<td>
<select size ="1" name="myTextEditBox_compare_operator">
<option value="=">equals</option>
<option value="<>">does not equal</option>
</select>
...
How to write into a file in PHP?
...gh the following steps:
Open the file
Write to the file
Close the file
$select = "data what we trying to store in a file";
$file = fopen("/var/www/htdocs/folder/test.txt", "a");
fwrite($file , $select->__toString());
fclose($file );
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How do I open an old MVC project in Visual Studio 2012 or Visual Studio 2013?
... modify the project file. To do so right click on the unloaded project and select Edit. Which will open the project file as an XML text file. Find the ProjectTypeGuids node which should look something like this:
<ProjectTypeGuids>
{F85E285D-A4E0-4152-9332-AB1D724D3325};{349c5851-65df-11da...
Disable Enable Trigger SQL server for a table
...
Below is the Dynamic Script to enable or disable the Triggers.
select 'alter table '+ (select Schema_name(schema_id) from sys.objects o
where o.object_id = parent_id) + '.'+object_name(parent_id) + ' ENABLE TRIGGER '+
Name as EnableScript,*
from sys.triggers t
where is_disabled = 1
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How do I create a right click context menu in Java Swing?
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How would you use this with a JTable so it pops on the selected row or on the row where you right click? Or in this scenario the old method is the one to be chosen?
– Alex Burdusel
Dec 28 '13 at 20:08
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AppStore - App status is ready for sale, but not in app store
... and Availability.
Then I waited 1 hour.
Then I ticked All Territories Selected again.
After the app came available for download again the version number was updated.
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How do I clone a job in Jenkins?
...u can clone a job:
Click on 'New Item' link
Give a new name for your job
Select radio button 'Copy existing Item'
Give the job name that you want to clone
Click 'OK'
Finally, you have your new job, which reflects all features of your cloned one.
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'pip' is not recognized as an internal or external command
... I really don't see how this deserved a seperate answer a year after the selected one.
– fr1tz
Jan 8 '16 at 0:02
3
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When do I need to use Begin / End Blocks and the Go keyword in SQL Server?
..., and IF statements, etc, where you need more then one step...
IF EXISTS (SELECT * FROM my_table WHERE id = @id)
BEGIN
INSERT INTO Log SELECT @id, 'deleted'
DELETE my_table WHERE id = @id
END
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