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Docker can't connect to docker daemon
...
Linux
The Post-installation steps for Linux documentation reveals the following steps:
Create the docker group.
sudo groupadd docker
Add the user to the docker group.
sudo usermod -aG docker $(whoami)
Log out and log back in to ensure docker ...
Spring Boot JPA - configuring auto reconnect
...
The above suggestions did not work for me.
What really worked was the inclusion of the following lines in the application.properties
spring.datasource.testWhileIdle = true
spring.datasource.timeBetweenEvictionRunsMillis = 3600000
spring.datasource.validationQuery = SELECT 1...
What's the easiest way to install a missing Perl module?
...
On Unix:
usually you start cpan in your shell:
# cpan
and type
install Chocolate::Belgian
or in short form:
cpan Chocolate::Belgian
On Windows:
If you're using ActivePerl on Windows, the PPM (Perl Package Manager) has much of t...
Mockito : how to verify method was called on an object created within a method?
...not suggesting that you modify the class just for unit testing. This is really a conversation about clean code and the SRP. Or.. is it the responsibility of method foo() in class Foo to construct a Bar object. If the answer is yes, then it's an implementation detail and you shouldn't worry about ...
Java: Static vs inner class [duplicate]
...via StaticMember (without this.) then we wouldn’t get these questions at all.
– flying sheep
Sep 5 '11 at 13:40
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inline conditionals in angular.js
I was wondering if there is a way in angular to conditionally display content other than using ng-show etc. For example in backbone.js I could do something with inline content in a template like:
...
Sass combining parent using ampersand (&) with type selectors
... to join your tag to .element instead of #id?
There's a function in Sass called selector-unify() that solves this. Using this with @at-root it is possible to target .element.
#id > .element {
@at-root #{selector-unify(&, div)} {
color: blue;
}
}
Will compile to:
#id > ...
Getting “Lock wait timeout exceeded; try restarting transaction” even though I'm not using a transac
...ion; autocommit does not disable transactions, it just makes them automatically commit at the end of the statement.
What is happening is, some other thread is holding a record lock on some record (you're updating every record in the table!) for too long, and your thread is being timed out.
You can...
GitHub Error Message - Permission denied (publickey)
...s is GitHub's recommended method.
Further, GitHub has a help page specifically for that error message, and explains in more detail everything you could check.
share
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improve this answer
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cancelling queued performSelector:afterDelay calls
... stack (or whatever mechanism it is that is utilized by the API) when you call performSelector:withObject:afterDelay ?
4 A...