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Checking if a list is empty with LINQ
...t simply using the .Count method will be fast if the underlying source actually has a fast Count property. A valid optimization above would be to detect a few base types and simply use the .Count property of those, instead of the .Any() approach, but then fall back to .Any() if no guarantee can be m...
Designer Added then removed by Visual Studio on load/unload
...ed in StoredImageControl.cs . Anyone know how to shut this off as it is really messing up my revision control.
6 Answers...
Node.js + Express: Routes vs controller
...up that way. A great example can be found in the Express examples folder, called mvc. If you look at lib/boot.js, you can see how they've set up the example to require each file in the controllers directory, and generate the Express routes on the fly depending on the name of the methods created on t...
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 ...
Emulator error: This AVD's configuration is missing a kernel file
...be vague and I don't understand clearly.
I was following the steps to install the AVD according to the sites and I can't figure out what I missed. Please explain it to me in steps to follow.
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Should I commit or rollback a read transaction?
...should close it. Committing releases any locks you may have had, and is equally sensible with ReadUncommitted or Serializable isolation levels. Relying on implicit rollback - while perhaps technically equivalent - is just poor form.
If that hasn't convinced you, just imagine the next guy who insert...
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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