A Technical I.T./DevOps Blog
Problem scenario
You have a task that is supposed to redirect the output to a file. The command produces output when you manually run it. But the output is not getting to the file. What could be wrong?
Possible Solution #1
If there is an error message, Google the error message. If that does not help, scrutinize the command before the error.
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Problem scenario
You want to use gRPC as a proof of concept. What should you do?
Solution
Go here: https://chromium.googlesource.com/external/github.com/grpc/grpc/+/chromium-deps/2016-08-17/examples/python/README.md
You may want to clone this repository:
https://github.com/grpc/grpc
(Look in the directory for the language of your choice; it should have an “examples” directory.)
For using gRPC with Python you can install a certain package;
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Continue reading “How Do You Use gRPC to Learn More about It?”
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Question
What is feature hiding?
Answer
Feature hiding is the practice of toggling or disabling of a feature. The feature may be part of an application, but the users cannot access it or use it. Sometimes code is released in an imperfect way; sometimes there is insufficient confidence to make the feature visible and accessible, but to remove the feature from a release would require too much work.
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Problem scenario
In computing, you have heard of containers. There are many types. Where can you find a disambiguation of containers?
Answers
For SQL Server
In SQL Server for over 10 years, there have been “Foreach Loop Containers”. It is a built-in control flow for SQL Server Integration Services. To read more see this Microsoft page.
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Problem scenario
You would like a larger font edition of Atlas Shrugged (a fictional book that involves technology). Is there an option?
Solution
Maybe. There is a smaller edition (width and height) that is roughly ~4.2″ X ~6.8″; if this is the size you bought, you would prefer the Centennial Edition that is ~6.1″ X ~9.1″ version at Amazon or Barnes &
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Continue reading “Is There a Large Print Edition of Atlas Shrugged by Ayn Rand?”
Problem scenario
Using a RHEL server in AWS, you want to deploy Apache Tomcat. How do you do this?
Solution
Use this command to install it: sudo yum -y install tomcat
To start the service, run this command: sudo systemctl start tomcat
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Continue reading “How Do You Install Apache Tomcat on an AWS Instance of RedHat Enterprise Linux?”
Problem scenario
You wear gloves in cold weather. You want to keep your fingers warm because your hands dry out if they are exposed to cold wind. Many cell phones have touch screens that don’t work with regular gloves. How do you use a regular modern cell phone with gloves?
Solution
Buy mitten gloves or smartphone gloves.
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Continue reading “How Do You Use a Cell Phone in Cold Weather?”