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Activity启动器（ActivityStarter）如何查看并启动其他App · App Inventor 2 中文网
...系方式： 不需要回复的可留空~ 意见反馈（300字以内）： 给个鼓励也行呐~o~ 提供截图（仅截取当前可视区域） delete edit 高亮或隐藏信息 ...
Correct way to populate an Array with a Range in Ruby
...
You can create an array with a range using splat,
>> a=*(1..10)
=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
using Kernel Array method,
Array (1..10)
=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
or using to_a
(1..10).to_a
=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
...
How to get the latest tag name in current branch in Git?
...
440
You could take a look at git describe, which does something close to what you're asking.
...
How can I shuffle an array? [duplicate]
...
1006
Use the modern version of the Fisher–Yates shuffle algorithm:
/**
* Shuffles array in plac...
How to download and save a file from Internet using Java?
...w FileOutputStream("information.html");
fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
Using transferFrom() is potentially much more efficient than a simple loop that reads from the source channel and writes to this channel. Many operating systems can transfer bytes directly from the sourc...
React.js: Identifying different inputs with one onChange handler
...ct.createClass({
getInitialState: function() {
return {input1: 0, input2: 0};
},
render: function() {
const total = this.state.input1 + this.state.input2;
return (
<div>{total}<br/>
<input type="text" value={this.state.i...
Convert dd-mm-yyyy string to date
...#datepicker").val().split("-")
var f = new Date(from[2], from[1] - 1, from[0])
Use regex
var date = new Date("15-05-2018".replace( /(\d{2})-(\d{2})-(\d{4})/, "$2/$1/$3"))
Why not use regex?
Because you know you'll be working on a string made up of three parts, separated by hyphens.
However, i...
CSS media queries: max-width OR max-height
...nt rules:
@media screen and (max-width: 995px) , screen and (max-height: 700px) {
...
}
From https://developer.mozilla.org/en/CSS/Media_queries/
...In addition, you can combine multiple media queries in a comma-separated list; if any of the media queries in the list is true, the associated ...
Bootstrap 3 Navbar Collapse
...
Bootstrap 4
It's a native functionality: https://getbootstrap.com/docs/4.0/components/navbar/#responsive-behaviors
You have to use .navbar-expand{-sm|-md|-lg|-xl} classes:
<nav class="navbar navbar-expand-md navbar-light bg-light">
Bootstrap 3
@media (max-width: 991px) {
.navbar-hea...