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What APIs are used to draw over other apps (like Facebook's Chat Heads)?
How does Facebook create the Chat Heads on Android? What is the API to create the floating views on top of all other views?
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Multiple dex files define Landroid/support/v4/accessibilityservice/AccessibilityServiceInfoCompat
If I run gradle assembleDebug from the command line, I am suddenly getting this error:
26 Answers
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Declare multiple module.exports in Node.js
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Always use module.exports = {} and not module.method = .... stackoverflow.com/a/26451885/155740
– Scotty
Dec 15 '14 at 15:38
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Why is Python 3.x's super() magic?
...as kicked off by Guido, who initially envisioned super becoming a keyword, and the idea of using a cell to look up the current class was also his. Certainly, the idea to make it a keyword was part of the first draft of the PEP.
However, it was in fact Guido himself who then stepped away from the ke...
'Incomplete final line' warning when trying to read a .csv file into R
I'm trying to read a .csv file into R and upon using this formula:
15 Answers
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Check empty string in Swift?
...print("Nothing to see here")
}
Apple Pre-release documentation: "Strings and Characters".
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Is there a CSS selector by class prefix?
...hecks any other classes after the first if multiple classes are specified, and adds a bonus of checking the first class in case the attribute value is space-padded (which can happen with some applications that output class attributes dynamically).
Naturally, this also works in jQuery, as demonstra...
Eclipse: Can you format code on save?
...nce -> Java -> Code Style , you can define code templates for comments and code, and you can setup a code formatter.
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mongodb group values by multiple fields
...takes an "pipeline" expression as an argument instead of the "localFields" and "foreignFields" options. This then allows a "self-join" with another pipeline expression, in which we can apply $limit in order to return the "top-n" results.
db.books.aggregate([
{ "$group": {
"_id": "$addr",
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NodeJS: How to get the server's port?
...en this(bottom line), when you create directory structure from express command:
alfred@alfred-laptop:~/node$ express test4
create : test4
create : test4/app.js
create : test4/public/images
create : test4/public/javascripts
create : test4/logs
create : test4/pids
create : test4/...