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App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...选择器等
【UI】Flubbie 拓展：为App添加魔法动画
【UI】SideBar 拓展：实现App的侧边栏效果
【UI】MenuSlide 拓展：滑动菜单效果
【UI】FlipShare翻转分享拓展：酷炫的分享动画
【UI】自定义下载器扩展：个性化下载进度展示
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How can I make Flexbox children 100% height of their parent?
...
A nice hack, but the problem is: if child is a sidebar and it have a background color, the margin space is still white.
– Boris Burkov
Jul 7 '19 at 12:18
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adding and removing classes in angularJs using ng-click
...ew, and highlights the button of the currently selected view.
<div id="sidebar" ng-init="partial = 'main'">
<div class="routeBtn" ng-class="{selected:partial=='main'}" ng-click="router('main')"><span>Main</span></div>
<div class="routeBtn" ng-class="{selecte...
Reading ePub format
...may be useful.
EDIT again: And see links to related question in the right sidebar, there are some links in the answers to free ebook reader which support ePub.
EDIT 3: You should add a comment when you edit your question so people who answer you can continue the discussion (if you don't comment ...
Android Facebook style slide
...roach is going to create a large screenshot bitmap every time you open the sidebar. It will grow the heap size and may cause out of memory error.
– shiami
May 4 '12 at 3:39
3
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What is the difference between id and class in CSS, and when should I use them? [duplicate]
...v on the page.
Examples of ids are: main-content, header, footer, or left-sidebar.
A good way to remember this is a class is a type of item and the id is the unique name of an item on the page.
share
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Any reason not to start using the HTML 5 doctype? [closed]
...s botched from the start.
Having specialised tags for header, footers and sidebars is a huge mistake - you've got them already in the form of tags (div) and names (classes/id's). Why do we need the specialist ones? XHTML1.1 is good enough, period. In fact, since most browsers don't support HTML4 co...
Targeting only Firefox with CSS
...-moz-tree-row(hover), .selector {}
JavaScript Hacks
var isFF = !!window.sidebar;
var isFF = 'MozAppearance' in document.documentElement.style;
var isFF = !!navigator.userAgent.match(/firefox/i);
Media Query Hacks
This is gonna work on, Firefox 3.6 and Later
@media screen and (-moz-images-in...
CSS to stop text wrapping under image
... displaying code blocks that might have to contend with images or floating sidebars nearby.
– AlexMA
Apr 2 '14 at 2:24
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Capybara Ambiguity Resolution
...t happily found the other one.
The better bet is to use within:
within('#sidebar') do
find('.selector).click
end
This ensures that you're finding the element you expect to find, while still leveraging the auto-wait and auto-retry capabilities of Capybara (which you lose if you use find('.selec...