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使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...sions to implement multitouch: Rotation Detector
Xinyue Deng dengxinyue0420@gmail.com
DRAFT (March 6, 2016): Building extensions requires the App Inventor extensions capability, which is not yet incorporated into the App Inventor release. But you can try some ofary AI2 server.
You can implemen...
string c_str() vs. data()
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edited Oct 29 '13 at 11:10
Aaron McDaid
23.7k88 gold badges5555 silver badges7979 bronze badges
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How to use Single TextWatcher for multiple EditTexts?
...blic void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {}
public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {}
public void afterTextChanged(Editable editable) {
String text = editable.toString();
switch(view.getId()){
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Bash script to set up a temporary SSH tunnel
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edited Apr 29 '14 at 15:05
jm.
21.7k2020 gold badges6868 silver badges9090 bronze badges
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Matplotlib - global legend and title aside subplots
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answered Feb 10 '12 at 0:47
orbeckstorbeckst
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Plot two graphs in same plot in R
I would like to plot y1 and y2 in the same plot.
16 Answers
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Append an object to a list in R in amortized constant time, O(1)?
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256
If it's a list of string, just use the c() function :
R> LL <- list(a="tom", b="dick")
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npm WARN package.json: No repository field
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It's just a check as of NPM v1.2.20, they report this as a warning.
However, don't worry, there are sooooooo many packages which still don't have the repository field in their package.json. The field is used for informational purposes.
In the case you'r...
In jQuery, how do I get the value of a radio button when they all have the same name?
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In your code, jQuery just looks for the first instance of an input with name q12_3, which in t...
Google Chrome Extensions - Can't load local images with CSS
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edited Jun 2 '14 at 15:24
Sam Hanley
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