disclaimer: know other people on site have had error it's been in different contexts , fixes don't seem work here. hey stackoverflow, i've been making sideways space invaders game, ship follows mouse's y position stays on left, , clicking shoots bullet. enemies spawn randomly right , fly left, , objects removed once each side of screen. works fine, when tried implement collision detection see when shot hits enemy, error: typeerror: argument must rect style object. it points line "return hitbox.colliderect(target.rect)". try , work out causing made 'print' lines below see 'target.rect' (and whether proper rect object), , seemed same style shot's own rect, i'm lost why colliderect doesn't accept it. i've annotated pretty everything, sorry if it's insult intelligence should make things easier. class causes problems: class gameobject: def __init__(self, image, height, speed): self.speed = speed self.image...
i'm building twitter-bootstrap site has 2 columns: narrow side column , main article column. on each page, widths of columns fixed , heights depend on how inside them. side column's height must match main column's, main column's height variable. on pages, main column short because there aren't many articles inside while on other pages height longer. when main column's height taller side column's, side column's increases. my question is, best methods/technologies implement this, without using cms? i'm thinking classes, maybe along lines of masonry css...but not quite sure start. smaller-screen version, i'm planning align them 1 column, won't need responsive. i've prepared crude drawing of i'm trying accomplish: if can away it, recommend using flex box . if not, here css solution http://plnkr.co/edit/geevztduy4pdejqvnhmp?p=preview html: <body> <div class="container"> <div class=...
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