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Accessing localhost:port from Android emulator
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You can access your host machine with the IP address "10.0.2.2".
This has been designed in this way by the Android team. So your webserver can perfectly run at localhost and from your Android app you can access it via "http://10.0.2.2:<hostport>".
If your emulator must ...
Uninstall old versions of Ruby gems
...# choose which ones you want to remove
gem uninstall rjb
# remove version 1.1.9 only
gem uninstall rjb --version 1.1.9
# remove all versions less than 1.3.4
gem uninstall rjb --version '<1.3.4'
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How do you simulate Mouse Click in C#?
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145
I have combined several sources to produce the code below, which I am currently using. I have ...
What is __gxx_personality_v0 for?
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edited Aug 20 '17 at 18:58
curiousguy
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How to generate random number with the specific length in python
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189
To get a random 3-digit number:
from random import randint
randint(100, 999) # randint is in...
Patterns for handling batch operations in REST web services?
...xample, to delete several messages at once.
DELETE /mail?&id=0&id=1&id=2
It's a little more complicated to batch update partial resources, or resource attributes. That is, update each markedAsRead attribute. Basically, instead of treating the attribute as part of each resource, you tr...
Why do we need fibers
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+100
Fibers are something you will probably never use directly in application-level code. They are a flow-control primitive which you can...
Extract substring using regexp in plain bash
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211
Using pure bash :
$ cat file.txt
US/Central - 10:26 PM (CST)
$ while read a b time x; do [[ $b...
Opacity of background-color, but not the text [duplicate]
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601
Use rgba!
.alpha60 {
/* Fallback for web browsers that don't support RGBa */
background...
How to break nested loops in JavaScript? [duplicate]
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