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i know this is a little off topic now but i made this: Wet Floor Effect Generator PHP it creates a sort of: from images you upload. I got it working a couple of weeks ago, it's just taken me this long to get the security right.

the form is just a regular HTML form that posts to the page itself. php then checks if the calculate button is set and displays the form with the values and does the calculation, if it hasn't, or the clear button is set then it just displays the form empty. i will come back to it if i learn...

yeah that is sort of what it does yes. the effect of the clear button is to post the form, to itself and then it renders as if it were the first time. there may well be a much easier way of clearing a form, just nobody told me what it is. :)

you're right - i've been playing with images http://nigelcoldwell.co.uk/phtest/0030.php :o

interesting, i'm a long way off graphics :) i'm just doing files.

i'm struggling to think of problems to solve that only require the things that i've already learned. :)

I decided yesterday afternoon to learn PHP if anyone has ever learned a language on of the hardest things is to think if programs to test what you've learned so far. having just bought a laser i thought i'd try a quick laser pointer divergence calculator. Laser Divergence Calculator what you...

The principle job of customs, in the UK Her Majesty's Revenue & Customs, formerly the inland revenue, is to raise revenue. Goods bought outside the EU can be bought without sales tax (VAT,) ie duty free, if they are to be exported, but are subject to duty on arrival in the UK. All countries...

have a read of the buyers guide at the top of this forum. Why does it have to be waterproof ;)

keep in mind the 45 day rule on paypal.

i know you all say focalprice sucks, but i'm very happy with this laser http://laserpointerforums.com/f45/just-received-200mw-38-focalprice-green-laser-50345.html for $40

have you ever dealt with focalprice?

lol i actually wrote that review of the focalprice laser they took out the bit i said about the beam divergence. but anyway, i own one. i wrote about it here. http://laserpointerforums.com/f45/just-received-200mw-38-focalprice-green-laser-50345.html Generally i'm very pleased with it. but...

grammar, spelling, and typos. A rule i have is when anyone reports to that they've already lost and know it. Red is generally better at burning as it will burn anything from yellow to shorter. To clarify that point but not to over state it's importance in a rough guidance kinda way it was first...

i guess i like things that light up? Same reason i pay the fruities. I studied condensed matter physics relatively recently, well 10 years ago and we couldn't make blue leds, or laser pointers, green laser pointers were just about available. I guess i'm amazed a bit by what has happened since...

yeah i have a few. There is a thread near the top of the green page about my shiny new cheap 200mW. Like a say, i have nothing to prove. I'm not interested in arguing. I joined this forum today to be helpful. I'm not a great fan of being patronised, i don't think it's an appropriate way to...

Would my masters degree in physics from oxford be sufficient citation? Lets be clear, the only point i was trying to make was that the colour of the balloon may be the OP's problem. I tried to offer a brief explanation of the background whilst making it clear that this was not exhaustive. i was...

Yeah the story is much the same. violet being at the other end of the spectrum. and match heads often have a little red in them.

Phone is Nokia N97, it's in the EXIF data on the large image under the first image. TBH it's a bit hit and miss, you need a lot of light. i went into the conservatory to take that picture. it has a decent macro mode, but i lucked out a bit the full close up picture is here if anyone is...

red is at one end of the spectrum so is generally better at burning. anything from yellow upwards. as in red, orange, yellow, green, blue, indigo and violet green is in the middle so will struggle to pop anything from orange to indigo. just leaving red balloons really. it's not a hard and fast...