sometimes you want an image to change when you select a different option in a dropdown, i used to do it the hard way: i had to write a new js function for every new dropdown i use. so i looked for an easier way and wrote something: to use it, do something like: obviously… Continue reading simple flip image javascript
if i know (or remember) more from my database class, i may have an answer for this. i was just coding my new board and was curious about which of the following query is faster: or m.uid is a primary index while m2.uid is an index. what would be your guess?
this is pretty cool 🙂 tho it does take a bit more time to config your forms. maybe i will do it sometimes just for the hack of its cool trick. awww just learned another trick.. all these nifty mozilla only css tricks 🙂
i’ve known this for a while but forgot to share it. there is a very easy way you can store array into database as a string. then you can grab the string from the database and convert it back into an array. code example: you should get
ever wondered how you can grab streaming audio and convert it to mp3? or how to convert .rm to .mp3? well here’s my way of doing it. you need the wonderful softwere Total Recorder. it allows you to record anything that is played by your sound card. ^_^ download: the version i have is 4.1b… Continue reading record streaming audio and more
i saw this on leslie’s site. i never thought of it before. the conventional way to do a “return to top” link is create a bookmark with: at the top of the page and then use: to link it. well there’s an easier way. this only works if you want to return to the very… Continue reading return to top link without bookmark
when you do serious coding, it’s always a good idea to separate your layout design (template) from your logic code. i’m at the beginning stage rebuilding dmb. one thing i want to do very badly is to get rid of all templates in the database. every time i load a template right now it causes… Continue reading separate template from code
thanks shi for being so sweet and supporting. maybe i’m being too pessimistic on dmb’s coding. yes it is inefficient but it’s still curable. if i re-plan the whole thing from database design to layout design (javascript, css) with all my knowledge i can probably improve its performance by 200%. and shi told me another… Continue reading new plan for dmb
when a codebase gets so large and unmanageable, that it’s impossible to work with. Of a software product, describes a condition of the software such that fixing one bug introduces one plus epsilon bugs. When software achieves critical mass, it can never be fixed; it can only be discarded and rewritten. yes that’s how i… Continue reading critical mass
someone asked on my board how to use an email script for a long form that expands into multiple pages. leslie gave me an idea which i played and got it working. it’s very cool 🙂 You basically just make *fake* pages with javascript and div layers. the script is from alexking and i put… Continue reading multi-page form submission trick
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