I needed to have certain form styles attached when a form is in use. I didn’t want to do this from the controller each and every time as it was really was only to do with the form and I might want to use the form with it’s own stylesheet in other places.
Continued…
Posted in Zend Framework.
– Monday March 1st, 2010
The purpose of this plugin is to easily facilitate the end user to create and hook key presses for their own use. Usually you would need to know what key links with which keycode etc.
It’s as easy as these steps:
$('selector').keyz({
"enter": function(ctl,sft,alt,event) {
alert('you pressed enter!');
}
});
this will hook the enter key and raise an alert when pressed.
If you want to cancel the key either return false from the function or set the value to false like so:
$('selector').keyz({
"enter": function(ctl,sft,alt,event) {
return false;
}
});
OR
$('selector').keyz({
"enter":false
});
You can either use the key names in singular or in a grouping like so:
$('selector').keyz({
"enter": function(ctl,sft,alt,event) {
/* single key */
return false;
},
"F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12": function(ctl,sft,alt,event) {
/* mapped to all F-Keys */
return false;
}
});
Download jquery.keyz.js here: Full Source && Google Closure Compiled version
Visit the demo page here: Full Source
The keys listed below are the current ones supported by the plugin.
They also support the hyphenated name eg numpad-1 or in upper case like “F1″ or “f1″
Posted in jQuery Plugins.
– Wednesday February 24th, 2010
I’ve recently been looking into standards of code and how they would apply to myself and my code. To enable this, I’ve recently installed PHP_CodeSniffer and for a few days been using this on the command line.. which by itself isn’t bad, though I really wanted to have something inside my editor of choice (happens to be Komodo Edit). Continued…
Posted in Web Development.
– Monday February 15th, 2010
Yep another delightful new word you can add to your dictionaries.
Today’s Buzzword of the day is:
This is the sound that comes when you spill a liquid over the edge of its container onto your clothes.
When it happens, you have been Spalooched.. it is accidental and you can’t spalooch someone.
Posted in Buzzword of the day, General.
– Saturday January 30th, 2010
I’ve recently taken to using Zend Framework for a project that I needed to bring up to date. I won’t go into the pros and cons of choosing a framework as there are many much more qualified people who have done a much better job of this subject than I would or could. So Instead I bring to you How I managed to get Active Module Based Configuration within Zend Framework.
The Concept I wanted to achieve was to have unique Configuration based upon the module that was active. The Issue with this is that the Bootstrap files and the _init functions for ALL modules are called with no bias as to which module is active. Thus if you created a 3 modules wanted to make menu alterations in one, those alterations will be applied to all. I also wanted to have a a system where if i added extra modules i could just add extra functions to the bootstrap file and it would work in a similar way.
With this in mind, I set about trying to figure out the solution.
Continued…
Posted in Zend Framework.
– Monday January 4th, 2010
Today is Ada Lovelace day and as such, we are prompted to write about someone we admire who is female and is involved in technology.
For my Post today I have chosen LornaJane. This stems from many reasons, which over the course of this post I hope to explain.
Posted in Personal.
– Tuesday March 24th, 2009
Today has not been a good day.
With various things going wrong, I was please that I had got the file upload code done for a site i’m working on. All I needed to do was make sure that the file had the right permissions and then edit it via GD (via an image editor class i have). Here’s where the trouble started..
I started off by chmoding the file to 777 and then trying to do the resize.. this threw an error with permissions.. so i looked at the file.. Read Only.. strange I thought.
Then I checked the folder and that had a weird green square instead of the checkmark in the checkbox. I tried to remove the read only attribute off of this and hte file.. and it kept coming back.. I went all around hte houses, trying all sorts of techniques .. to no avail.
@auroraeosrose in the PHPWomen IRC channel helped a lot as did Dreis.. (thanks muchly)..
After backing up the files and formatting the drive, to reinstalling the Apache/PHP/MySql stack I was no clearer to the answer as to why the file was always ending up with read only permissions..
Finally it came down to the 1 thing that I had overlooked.. the chmod in the code .. the second parameter was 777. I thought this was correct. Aparrantly not. The second parameter of the chmod function requires an octal code.. thus prefixing the 777 with a 0 (zero) fixed the whole issue.
Boy did i really feel dumb today.
So to wrap up, remember to always pass a FOUR digit code through to chmod or face the annoyance and headache I got today.
Posted in PHP.
– Tuesday March 10th, 2009
For the most part I’ve used many JOINs in my queries since I leartn how to use them and what they were good for, I much prefer to use an Inner Join over the the Implied join of a WHERE statement.
For those who haven’t yet learnt about JOINs you might be using an implied join in your queries even now… lets take this example:
SELECT table1.field1,table2.field2 FROM table1,table2 WHERE table1.table2_id = table2.IDField
This is an Implied JOIN, you are telling MySQL to get the 2 fields from the 2 tables but only return the ones where the field in table1 is in the field in table2. This works, but using Joins we can improve it.
Ok, Lets take the above example and apply the join mentality to it:
SELECT table1.field1, table2.field2 FROM table1 INNER JOIN table2 on table1.table2_id = table2.IDField
This Links in only the rows that match the ON criteria which in theory should be less than the whole table, which again in theory should make the query faster.
Ok, now we have the JOIN theory out the way, we can get down to what this blog post is actually really all about, Conditional joins. Just Like the WHERE Clause in the SELECT statement you can use AND & OR in the ON part of a JOIN. Usually it’s used to add more constraints to the join, but you can use it in interesting ways,
SELECT table1.field1, table2.field2 FROM table1 INNER JOIN table2 on (table1.table2_id = table2.IDField) AND (table1.itemName = 'foo')
Only JOIN rows that have the matching ID and where the itemName from table1 is equal to foo;
SELECT table1.field1, table2.field2 FROM table1 INNER JOIN table2 on ((table1.table2_id = table2.IDField) AND (table1.itemName = 'foo')) OR (table2.item = 'xx')
Only JOIN rows when the IDs are matching and the itemname is foo, OR when the item in table2 is ‘xx’
Baring in mind that the more complicated you make it, the harder it will be to maintain IT still can be a great method of Reducing the amount of rows that need to be processed.
Hopefully this will help someone, if so or if you have anything to add/point out/criticise etc.. please do comment.. I Don’t Bite.
Posted in MySQL.
– Saturday March 7th, 2009
Just a quick blog post in an update related way,
Recently i’ve needed to toggle multiple rows in a database from 1 value to 1 of possible 2 values dependant on the contents of a field on the row. I wasn’t sure if this was possible, so i asked in #PHPWomen IRC Channel and the general response was that of “Don’t Know”.
So After a backup of the table in question, i decided to try it and see. After all, the worst it could do was just not work. So I tried the following:
UPDATE `tble_name` SET `field1`=IF(`field2`='arbitrary_value',1,0) WHERE `field3`='other_value'
And Voila updated all the rows exactly as needed.
So, It is possible to update all rows in a table, limited to a group and update value based upon a field matching a certain Value.
So all in all MySQL For the WIN!!!
Posted in MySQL.
– Friday March 6th, 2009
Just a Quick little snippet really..
Over at JqueryForDesigners.com @rem mentioned about checking if an element exists or not, I’ve been doing this for some time using the following snippet:
jQuery.fn.exists = function() {
return (this.length > 0);
};
to use it you can now do this:
if ($('#elem').exists()) { /* do something */ }
Hope this is helpful to some people
Posted in jQuery Plugins.
– Tuesday February 24th, 2009
Welcome to my little Bloggosphere dome of Doom. Well.. it’s not that bad really.. 