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Remove non-numeric characters (except periods and commas) from a string
If I have the following values:
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Is there something like Annotation Inheritance in java?
I'm exploring annotations and came to a point where some annotations seems to have a hierarchy among them.
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What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
I am a beginner to Ruby on Rails and I am using Rails 3.0.9.
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How to tell if JRE or JDK is installed
I have one computer that I intentionally installed JDK on. I have another computer with JRE, for, among other things, testing. However, when I got a java application working on this computer, and then tried it on another, it complained that JDK was required. How can I check if JDK was somehow instal...
How to find the key of the largest value hash?
I have the following hash {"CA"=>2, "MI"=>1, "NY"=>1}
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Check for array not empty: any?
Is it bad to check if an array is not empty by using any? method?
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Use a LIKE statement on SQL Server XML Datatype
...ELECT * FROM TABLE WHERE ColumnA LIKE '%Test%' to see if that column contains a certain string.
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How to swap keys and values in a hash
How do I swap keys and values in a Hash?
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Serializing a list to JSON
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If using .Net Core 3.0 or later;
Default to using the built in System.Text.Json parser implementation.
e.g.
using System.Text.Json;
var json = JsonSerializer.Serialize(aList);
alternatively, other, less mainstream options ar...
Equivalent of strace -feopen < command > on mac os X
This is useful for debugging (hence programming related). On linux, we can use the command
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