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'App not Installed' Error on Android
... That was really helpful, and I installed-uninstalled my app for like 20 times before I found this. Thanks a lot! :-)
– Rahul Arora
Aug 13 '17 at 21:16
3
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Ensure that HttpConfiguration.EnsureInitialized()
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This one gets me all the time, but it used to give a different error. After upgrading to visual studio 2015 and .Net 4.6 I get this error.
– nbering
Aug 5 '15 at 14:47
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How can I do a line break (line continuation) in Python?
...ry, you can add an extra pair of parentheses around an expression, but sometimes using a backslash looks better.
– Jerub
Sep 22 '08 at 2:33
15
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Checking network connection
...f internet_on():
try:
urllib2.urlopen('http://216.58.192.142', timeout=1)
return True
except urllib2.URLError as err:
return False
Currently, 216.58.192.142 is one of the IP addresses for google.com. Change http://216.58.192.142 to whatever site can be expected to ...
Single script to run in both Windows batch and Linux Bash?
...MSBuild Task) rather than as independent batch files. Maybe if I have some time in the future I’ll update the answer with the information in these comments…
– binki
Mar 4 '15 at 15:46
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Colorized grep — viewing the entire file with highlighted matches
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However, from time to time, it does not find what I want when I’m certain it must be there. ack is smart, but sometimes too smart, and it exluded the file type that the hit was in.
– Michael Piefel
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Difference between rake db:migrate db:reset and db:schema:load
...file. This is useful for a fresh install of app as it doesn't take as much time as db:migrate
Important note, db:schema:load will delete data on server.
rake db:migrate makes changes to the existing schema. Its like creating versions of schema. db:migrate will look in db/migrate/ for any ruby file...
Using AES encryption in C#
...s/library/system.security.cryptography.symmetricalgorithm.aspx
As of the time of this post, the current list includes:
AesManaged
RijndaelManaged
DESCryptoServiceProvider
RC2CryptoServiceProvider
TripleDESCryptoServiceProvider
To use RijndaelManaged with the code above, as an example, you wo...
Why does JPA have a @Transient annotation?
...SE keyword transient. So the receivers running on other VMs can save their time to re-calculate again.
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When to use Amazon Cloudfront or S3
...o go to that specific location with a request, and this will take a lot of time.
What CloudFront does is that it stands as a middleware between user and AWS S3.
The most often used files can be cached on CloudFront and what it does is, it replicates those files on edge locations (To deliver cont...