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What does mysql error 1025 (HY000): Error on rename of './foo' (errorno: 150) mean?
...ll$ perror 150
MySQL error code 150: Foreign key constraint is incorrectly formed
To find out more details about what failed, you can use SHOW ENGINE INNODB STATUS and look for the LATEST FOREIGN KEY ERROR section it contains details about what is wrong.
In your case, it is most likely cause so...
Difference between single quotes and double quotes in Javascript [duplicate]
...
@Anshu the 'form' is that jQuery expressions use single quotes to allow using double quotes in a selector/expression, $('div[class^="example"]'). Text strings use double quotes, so that apostrophes can be used, "That's why." HTML string...
Maximum length for MySQL type text
I'm creating a form for sending private messages and want to set the maxlength value of a textarea appropriate to the max length of a text field in my MySQL database table. How many characters can a type text field store?
...
How to add new elements to an array?
...rrayList.toArray( T[] a ) gives you back your array if you need it in this form.
List<String> where = new ArrayList<String>();
where.add( ContactsContract.Contacts.HAS_PHONE_NUMBER+"=1" );
where.add( ContactsContract.Contacts.IN_VISIBLE_GROUP+"=1" );
If you need to convert it to a sim...
SQL (MySQL) vs NoSQL (CouchDB) [closed]
...over automatic transmission. Secondly,
NoSQL allows you to eke more
performance out of the system by
eliminating a lot of integrity checks
done by relational databases from the
database tier. Again, this is similar
to how you can get more performance
out of your car by driving a manual...
how to get last insert id after insert query in codeigniter active record
I have an insert query (active record style) used to insert the form fields into a MySQL table. I want to get the last auto-incremented id for the insert operation as the return value of my query but I have some problems with it.
...
Can unit testing be successfully added into an existing production project? If so, how and is it wor
...rage in a code base with 230 000 + production LOC (real time financial Win-Forms application). That may sound low, but the result was a significant improvement in code quality and defect rate - plus improved morale and profitability.
It can be done when you have both an accurate understanding and c...
How to get the file name from a full path using JavaScript?
...
Just for the sake of performance, I tested all the answers given here:
var substringTest = function (str) {
return str.substring(str.lastIndexOf('/')+1);
}
var replaceTest = function (str) {
return str.replace(/^.*(\\|\/|\:)/, '');
}
var ...
How to remove close button on the jQuery UI dialog?
...o site with ASP.NET v2.0 in an .aspx page. jqueryui.com/demos/dialog/modal-form.html
– Matthew Dally
Feb 14 '12 at 13:53
...
Set select option 'selected', by value
...ange() without arguments:
$("#select_id").val("val2").change();
More information is at .change().
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