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Get records with max value for each group of grouped SQL results
...ou want is first, then group by the columns you want the value for.
You avoid complicated subqueries that try to find the max() etc, and also the problems of returning multiple rows when there are more than one with the same maximum value (as the other answers would do)
Note: This is a mysql-only so...
HTML form readonly SELECT tag/input
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You should keep the select element disabled but also add another hidden input with the same name and value.
If you reenable your SELECT, you should copy its value to the hidden input in an onchange event and disable (or remove) the hidden input.
Here is a demo:
$('#mainform').submit(...
Fastest way to implode an associative array with keys
...tes a URL-encoded query string from the associative (or indexed) array provided.
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Alter a MySQL column to be AUTO_INCREMENT
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ALTER TABLE document MODIFY COLUMN document_id INT auto_increment
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How do I get a value of a using jQuery?
...s, while .html() will not encode any characters.
– VoidKing
May 21 '13 at 21:32
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What's the difference between getRequestURI and getPathInfo methods in HttpServletRequest?
... is deployed under /app.
http://30thh.loc:8480/app/test%3F/a%3F+b;jsessionid=S%3F+ID?p+1=c+d&p+2=e+f#a
Method URL-Decoded Result
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getContextPath() no /app
getLocalAddr() 127.0.0.1
getLocalN...
Using “Object.create” instead of “new”
...n exist, if you call again this method on an existing object instance, the id and name properties will change.
Object.create lets you initialize object properties using its second argument, e.g.:
var userB = {
sayHello: function() {
console.log('Hello '+ this.name);
}
};
var bob = Object....
Android notification is not showing
I need a program that will add a notification on Android. And when someone clicks on the notification, it should lead them to my second activity.
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Facebook API - How do I get a Facebook user's profile image through the Facebook API (without requir
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Simply fetch the data through this URL:
http://graph.facebook.com/userid_here/picture
Replace userid_here with id of the user you want to get the photo of. You can also use HTTPS as well.
You can use the PHP's file_get_contents function to read that URL and process the retrieved data.
Resour...
How to deep copy a list?
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Thanks.But I thought list() is a deep copy since id(E0) not equal to id(E0_copy). Could u explain why it happen?
– Shen
Jul 26 '13 at 7:53
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