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What's the purpose of META-INF?
...st file that is used to define extension and package related data.
INDEX.LIST
This file is generated by the new "-i" option of the jar tool, which contains location information for packages defined in an application or extension. It is part of the JarIndex implementation and used by...
GIF Animated 扩展：可点击透明背景动画GIF播放器 · App Inventor 2 中文网
...示例项目 (1.8 MB)
更多扩展请访问：http://kio4.com/appinventor/index.htm#extensiones
功能概述
GIF Animated 扩展提供以下主要功能：
GIF动画播放：在应用中显示动画GIF文件
透明背景支持：设置颜色遮罩实现透明背景效...
Error 908: Permission Receive SMS - #5 by Taifun - MIT App Inventor Help - MIT App Inventor Community
...osition: absolute;
left: 0;
top: 0;
width: 100%;
z-index: 1001;
--animation-state: paused;
}
#d-splash .preloader-image {
max-width: 100%;
height: 100vh;
}
#d-splash .preloader-text-wrapper {
position: absolute;
opacity: 0;
...
What is the difference between a database and a data warehouse?
...ion to what folks have already said, data warehouses tend to be OLAP, with indexes, etc. tuned for reading, not writing, and the data is de-normalized / transformed into forms that are easier to read & analyze.
Some folks have said "databases" are the same as OLTP -- this isn't true. OLTP, aga...
Best way to find if an item is in a JavaScript array? [duplicate]
...t IE or other older browsers:
function include(arr,obj) {
return (arr.indexOf(obj) != -1);
}
EDIT:
This will not work on IE6, 7 or 8 though. The best workaround is to define it yourself if it's not present:
Mozilla's (ECMA-262) version:
if (!Array.prototype.indexOf)
{
Array.pr...
add created_at and updated_at fields to mongoose schemas
...ut do you remember by any chance if fields created this way can be used as index?
– manidos
Aug 25 '17 at 18:31
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Using jquery to get element's position relative to viewport
...overflow: scroll; position: relative;
} #res { position: fixed; top: 0; z-index: 2; font-family: Verdana; background: #c0c0c0; line-height: .1em; padding: 0 .5em; font-size: 12px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="r...
git add . vs git commit -a
...hanges from all known files (i.e. all files that are already listed in the index)
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Design Pattern for Undo Engine
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@paulm: essentially the actual data is indexed by (id, version). Pointers refer to a particular version of an object, but you’re seeking to refer to the current state of an object, whatever that may be, so you want to address it by id, not by (id, version). You ...
Input placeholders for Internet Explorer
... (recommended by html5please.com). http://afarkas.github.com/webshim/demos/index.html also has a good solution among its much more extensive library of polyfills.
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