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Checking for an empty field with MySQL
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I have same comment as Quassnoi's. I issue "select orig_id,hotline from normal_1952 where !(hotline > '')" and there's one record with null hotline but it doesn't match.I'm using MySQL 5.6
– Scott Chu
Apr 15 '16 at 10:16
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Xcode find caller functions
...e that this caller thing does NOT search for being called under the performSelector method, as in, the particular caller that has this performSelector won't show up if you had done something like:
[self performSelector:@selector(checkIfShouldStopMovement) withObject:nil afterDelay:0.25];
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jQuery see if any or no checkboxes are selected
I know how to see if an individual checkbox is selected or not.
8 Answers
8
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How to print to the console in Android Studio?
...tus bar, click 5: Debug button, next to the 4: Run button.
Now you should select the Logcat console.
In search box, you can type the tag of your message, and your message should appear, like in the following picture (where the tag is CREATION):
Check this article for more information.
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The import android.support cannot be resolved
...Libraries tab. There click the Add External JARs Button on the Right pane.
Select the android-support-v4.jar file, usually the path for the Jar file is :
YOUR_DRIVE\android-sdks\extras\android\support\v4\android-support-v4.jar
After adding android-support-v4.jar Library, navigate to the Order and E...
Set cookie and get cookie with JavaScript [duplicate]
...= c_name) {
return unescape(y);
}
}
}
function cssSelected() {
var cssSelected = $('#myList')[0].value;
if (cssSelected !== "select") {
setCookie("selectedCSS", cssSelected, 3);
}
}
$(document).ready(function() {
$('#myList')[0].value = getCookie("se...
Truncate all tables in a MySQL database in one command?
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truncate multiple database tables on Mysql instance
SELECT Concat('TRUNCATE TABLE ',table_schema,'.',TABLE_NAME, ';')
FROM INFORMATION_SCHEMA.TABLES where table_schema in ('db1_name','db2_name');
Use Query Result to truncate tables
Note:
may be you will get this ...
Version vs build in Xcode
...ey are the same values.
When viewing the Info tab, if you right-click and select Show Raw Keys/Values, you'll see the actual names are CFBundleShortVersionString (Version) and CFBundleVersion (Build).
The Version is usually used how you appear to have been using it with Xcode 3. I'm not sure on wh...
How do I grant myself admin access to a local SQL Server instance?
...he "SQL Server Configuration Manager", right click the server instance and select properties, go to the tab "Startup Parameters" and add -m.
– maets
May 5 '15 at 13:32
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Dump a mysql database to a plaintext (CSV) backup from the command line
... separated) files which can import into Excel, etc, quite easily:
% echo 'SELECT * FROM table' | mysql -B -uxxx -pyyy database
Alternatively, if you've got direct access to the server's file system, use SELECT INTO OUTFILE which can generate real CSV files:
SELECT * INTO OUTFILE 'table.csv'
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