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Transferring an app to another Firebase account
...hifted ownership of one of my projects to another account. All you have to do is:
Go to your Firebase console, and select the project you want to shift.
Select the cog icon besides the project name on top right.
Select Permissions from the flyout.
Select Advanced permission settings hyperlink.
You...
Check if bash variable equals 0 [duplicate]
...arguments. That is why you get the unary operator error message.
EDIT: As Doktor J mentioned in his comment to this answer, a safe way to avoid problems with unset variables in checks is to enclose the variables in "". See his comment for the explanation.
if [ "$depth" -eq "0" ]; then
echo "fa...
Keep SSH session alive [closed]
...loses the connection from the server-side if the client goes silent (i.e., does not send information). To prevent connection loss, instruct the ssh client to send a sign-of-life signal to the server once in a while.
The configuration for this is in the file $HOME/.ssh/config, create the file if it ...
mongodb, replicates and error: { “$err” : “not master and slaveOk=false”, “code” : 13435 }
...lications from performing eventually consistent reads by accident. You can do this in the shell with:
rs.slaveOk()
After that you can query normally from secondaries.
A note about "eventual consistency": under normal circumstances, replica set secondaries have all the same data as primaries wit...
iOS app error - Can't add self as subview
I received this crash report, but I don't know how to debug it.
19 Answers
19
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Modulo operator with negative values [duplicate]
Why do such operations:
3 Answers
3
...
iOS application: how to clear notifications?
...It might seem a bit weird, and Apple might provide a more intuitive way to do this in the future, but for the time being it's the official way.
Myself, I use this snippet:
[[UIApplication sharedApplication] setApplicationIconBadgeNumber: 0];
[[UIApplication sharedApplication] cancelAllLocalNotific...
PostgreSQL error 'Could not connect to server: No such file or directory'
...tter fix if you are on OS X
Here is the fix:
Stop the database
cd /var
sudo rm -r pgsql_socket
sudo ln -s /tmp pgsql_socket
chown _postgres:_postgres pgsql_socket
Restart PostgreSQL (not your computer)
More information is available at "postgresql 9.0.3. on Lion Dev Preview 1".
...
What's the difference between HEAD^ and HEAD~ in Git?
...he road
Tilde
The “Specifying Revisions” section of the git rev-parse documentation defines ~ as
<rev>~<n>, e.g. master~3
A suffix ~<n> to a revision parameter means the commit object that is the nth generation ancestor of the named commit object, following only the first par...
S3 Error: The difference between the request time and the current time is too large
...ost to get it working again, but also had to run the following command.
sudo ntpdate ntp.ubuntu.com
sudo apt-get install ntp
If at any time you get a message saying the NTP socket is still in use, stop it with sudo /etc/init.d/ntp stop and re-run your command.
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