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Android: Clear the back stack
...ffect in conjunction with
FLAG_ACTIVITY_NEW_TASK: if used to
start the root activity of a task, it
will bring any currently running
instance of that task to the
foreground, and then clear it to its
root state. This is especially useful,
for example, when launching an
activity from th...
How to list npm user-installed packages?
...
You can get a list of all globally installed modules using:
ls `npm root -g`
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How to check if a symlink exists
...else
echo "=> File doesn't exist"
fi
the result of above is like:
root@linux:~# ./sym.sh /etc/passwd
you entry is not symlink
root@linux:~# ./sym.sh /usr/mda
your entry is symlink
root@linux:~# ./sym.sh
=> File doesn't exist
...
刘强东“一元年薪”背后的O2O棋局 - 资讯 - 清泛网 - 专注C/C++及内核技术
...电商未来的发展路线？
“现在应该是对线上线下的企业如何按照新的规则围绕互联网和用户运转下去的摸索状态。”唐兴通举个例子：以前超市只是卖东西，未来它可能还用于仓储；以前电商要做物流配送，未来它可能借助超...
地图组件（高德地图） · App Inventor 2 中文网
...他位置，例如在屏幕外添加 标记，则可以使用“将地图重置为初始边界”按钮将 地图 重新置于起始位置的中心。
属性
自定义URL
支持XYZ格式的地图URL。XYZ格式是一种瓦片地图服务，将地图分成无数个小...
How to check whether a script is running under Node.js?
...it:
Edit: to your updated question:
(function () {
// Establish the root object, `window` in the browser, or `global` on the server.
var root = this;
// Create a reference to this
var _ = new Object();
var isNode = false;
// Export the Underscore object for **CommonJS*...
Signal handling with multiple threads in Linux
...SIGHUP, the signal is sent to process, which is received by and handled by root thread. Using POSIX threads, you can also sent SIGTERM to individual threads as well, but I suspect you are asking about what happens when the OS sends the signal to the process.
In 2.6, SIGTERM will cause child threads...
IntelliJ: Working on multiple projects
...
Prequisite
Having all the related projects in the same root directory.
Steps
1) First you create a new Empty project
2) Then you select the root directory of all you projects.
This will create a empty project, with a .idea directory that will simply remember the module organisa...
How do I rename all folders and files to lowercase on Linux?
...
A concise version using the "rename" command:
find my_root_dir -depth -exec rename 's/(.*)\/([^\/]*)/$1\/\L$2/' {} \;
This avoids problems with directories being renamed before files and trying to move files into non-existing directories (e.g. "A/A" into "a/a").
Or, a more ve...
Font scaling based on width of container
...d, they are scaled accordingly. However, when the value of overflow on the root element is auto, any scroll bars are assumed not to exist.
The values are:
vw (% of the viewport width)
vh (% of the viewport height)
vi (1% of the viewport size in the direction of the root element's inline axis)
vb...