html - making images on a website/page unsaveable? -



html - making images on a website/page unsaveable? -

i have been trying find way show image on webpage create sure user wont able save it, knows about?

you can create difficult, you cannot create impossible.

if image shows on screen, can screenshotted.

html image

Comments

Post a Comment

Popular posts from this blog

iphone - Dismissing a UIAlertView -

iphone - Dismissing a UIAlertView - i set in app purchase app, , when user taps button, purchase started. basically, tap button, , depending on speed on net connection, waiting 10 seconds until new alert view comes asking if purchase product. user tap button multiple times since nil came up, , multiple purchase alert views come up. additionally, maybe seen user app bug. in end, problem. i want alert view come spinning wheel says "loading..." when users taps purchase button. problem is, how dismiss when new alert view comes asking user if want purchase product? if ([uialertview alloc] says: @"whatever apple's alert view says") { //dismiss "loading..." alert view here } i uncertainty work, input appreciated. thanks! you need have access alertview. can this. create alertview instance var in app delegate , when want show loading initialize instance var assign property , when want dismiss phone call [alertviewinstance d...
Read more

ios - Fragment Shader GLSL for texture, color and texture/color -

ios - Fragment Shader GLSL for texture, color and texture/color - i want accomplish glsl shader, can texture , color vertex objects. in fact, works me in 2 3 cases: 1) if have texture assigned (but no specific color - color "white"), textured object - works 2) if have texture , color assigned, textured object modulated color - works 3) if have color assigned no texture, black object - doesn't work my shader looks this: varying lowp vec4 colorvarying; varying mediump vec2 texcoordvarying; uniform sampler2d texture; void main(){ gl_fragcolor = texture2d(texture, texcoordvarying) * colorvarying; } i guess that, texture2d(...,...) returns 0 if no texture assigned - seems problem. there way in glsl can check, if no texture assigned (in case, want gl_fragcolor = colorvarying;) "if" isn't alternative in glsl shader, if understanded correctly - ideas accomplish this? or necessary create 2 different shaders both cases? like i'd ...
Read more

c# - Why IEnumerable becomes empty after adding elements to a collection? -

c# - Why IEnumerable<T> becomes empty after adding elements to a collection? - i have ienumerable<t> when iterate through , add together it's element list becomes empty? is there wrong expect code? public class apple { private icollection<fruit> _fruits = new list<fruit>(); public void addfruits(ienumerable<fruit> fruits) { if (fruits == null) throw new argumentnullexception("fruits"); foreach (var fruit in fruits) { _fruits.add(fruit); } } } the caller code: public void addfruits(ienumerable<fruit> fruitstoadd) { foreach (var apple in apples) { // here fruitstoadd has elements, fruitstoadd.tolist() has 2 fruits. apple.addfruits(fruitstoadd); // here fruitstoadd has no element!!, fruitstoadd.tolist() empty! // next iteration not add together fruit next apple since fruitstoadd empty. } } update the tolist() so...
Read more