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Error type 3 Error: Activity class {} does not exist
...the Build directory
Restarted Android Studio
Rebuild the Project
Run
Optionally (Go to the files menu on android, click on "Invalidate Caches / Restart..." uninstall the app on your phone and try again)
And everything worked fine!
I think the key is to restart your IDE.
Hope this helps you or a...
How to echo shell commands as they are executed
In a shell script, how do I echo all shell commands called and expand any variable names?
13 Answers
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How can I convert a comma-separated string to an array?
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Best practice for support all types of strings. See here stackoverflow.com/a/32657055/2632619
– Andi AR
Sep 18 '15 at 16:46
7
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'^M' character at end of lines
...ed to the command-line. I don't know on which OS the SQL script was originally created.
16 Answers
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Update R using RStudio
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You install a new version of R from the official website.
RStudio should automatically start with the new version when you relaunch it.
In case you need to do it manually, in RStudio, go to :Tools -> options -> General.
Chec...
Remove HTML tags from a String
...tags against a customizable whitelist, which is very useful if you want to allow only e.g. <b>, <i> and <u>.
See also:
RegEx match open tags except XHTML self-contained tags
What are the pros and cons of the leading Java HTML parsers?
XSS prevention in JSP/Servlet web application
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Create aar file in Android Studio
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The versioning is really external to the AAR itself. You would typically set up a Maven pom file that has version info.
– Scott Barta
Apr 10 '15 at 2:13
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Max retries exceeded with URL in requests
...unction in python (don't forget to import sleep)
from time import sleep
All in all requests is awesome python lib, hope that solves your problem.
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Why use pip over easy_install? [closed]
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Many of the answers here are out of date for 2015 (although the initially accepted one from Daniel Roseman is not). Here's the current state of things:
Binary packages are now distributed as wheels (.whl files)—not just on PyPI, but in third-party repositories like Christoph Gohlke's Exten...
Elements order in a “for (… in …)” loop
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Quoting John Resig:
Currently all major browsers loop over the properties of an object in the order in
which they were defined. Chrome does this as well, except for a couple cases. [...]
This behavior is explicitly left undefined by the ECMAScript specifi...