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What is an example of the Liskov Substitution Principle?
I have heard that the Liskov Substitution Principle (LSP) is a fundamental principle of object oriented design. What is it and what are some examples of its use?
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“Private” (implementation) class in Python
I am coding a small Python module composed of two parts:
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Why do I need 'b' to encode a string with Base64?
Following this python example , I encode a string as Base64 with:
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How to pass table value parameters to stored procedure from .net code
I have a SQL Server 2005 database. In a few procedures I have table parameters that I pass to a stored proc as an nvarchar (separated by commas) and internally divide into single values. I add it to the SQL command parameters list like this:
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How can I list ALL DNS records?
Is there any way I can list ALL DNS records for a domain?
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How do I check the difference, in seconds, between two dates?
There has to be an easier way to do this. I have objects that want to be refreshed every so often, so I want to record when they were created, check against the current timestamp, and refresh as necessary.
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How do I fix certificate errors when running wget on an HTTPS URL in Cygwin?
For example, running wget https://www.dropbox.com results in the following errors:
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Regular Expression to get a string between parentheses in Javascript
I am trying to write a regular expression which returns a string which is between parentheses. For example: I want to get the string which resides between the strings "(" and ")"
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LINQ to SQL - Left Outer Join with multiple join conditions
I have the following SQL, which I am trying to translate to LINQ:
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Trusting all certificates using HttpClient over HTTPS
Recently posted a question regarding the HttpClient over Https ( found here ). I've made some headway, but I've run into new issues. As with my last problem, I can't seem to find an example anywhere that works for me. Basically, I want my client to accept any certificate (because I'm only ever po...