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java.net.ConnectException: localhost/127.0.0.1:8080 - Connection refused

... in android Replace: String webServiceUrl = "http://localhost:8080/Service1.asmx" With : String webServiceUrl = "http://10.0.2.2:8080/Service1.asmx" Good luck! share ...
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How to set default values in Rails?

... "Correct" is a dangerous word in Ruby. There's usually more than one way to do anything. If you know you'll always want that default value for that column on that table, setting them in a DB migration file is the easiest way: class SetDefault < ActiveRecord::Migration ...
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Why is not in HTML 5 Tag list while is?

Shouldn't both be removed? Or does it mean we should use <small> ? Why is <big> removed but <small> is not? What is the problem with <big> which does not apply to <small> ? ...
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How to keep a Python script output window open?

...w. Add code to wait at the end of your script. For Python2, adding ... raw_input() ... at the end of the script makes it wait for the Enter key. That method is annoying because you have to modify the script, and have to remember removing it when you're done. Specially annoying when testing other ...
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client secret in OAuth 2.0

...kens to Logs, you can find out more about it here http://attack-secure.com/all-your-facebook-access-tokens-are-belong-to-us and here https://www.youtube.com/watch?v=twyL7Uxe6sk. All in all be extra cautious of your usage of third party libraries (common sense actually but if token hijacking is your ...
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Capture Image from Camera and Display in Activity

...ntents/result#kotlin There are many built-in ActivityResultContracts that allow you to do different things like pick contacts, request permissions, take pictures or take videos. You are probably interested in the ActivityResultContracts.TakePicture shown above. Note that androidx.fragment 1.3.0-al...
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How to count the number of files in a directory using Python

... For all kind of files, subdirectories included: import os list = os.listdir(dir) # dir is your directory path number_files = len(list) print number_files Only files (avoiding subdirectories): import os onlyfiles = next(os.w...
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Find size of Git repository

...nt ideas of "complete size" you could use: git bundle create tmp.bundle --all du -sh tmp.bundle Close (but not exact:) git gc du -sh .git/ With the latter, you would also be counting: hooks config (remotes, push branches, settings (whitespace, merge, aliases, user details etc.) stashes (see ...
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How to Unit test with different settings in Django?

... EDIT: This answer applies if you want to change settings for a small number of specific tests. Since Django 1.4, there are ways to override settings during tests: https://docs.djangoproject.com/en/dev/topics/testing/tools/#overriding-settings TestCase will have a self.settings context ma...
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python design patterns [closed]

...for their existence. It's nothing more than class Null(object): def __init__(self, *args, **kwargs): "Ignore parameters." return None def __call__(self, *args, **kwargs): "Ignore method calls." return self def __getattr__(self, mname): "Ignore...