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difference between css height : 100% vs height : auto
I was asked a question in an interview that "what is the difference between the css height:100% and height:auto ?"
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Flask-SQLAlchemy how to delete all rows in a single table
How do I delete all rows in a single table using Flask-SQLAlchemy?
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jQuery: checking if the value of a field is null (empty)
Is this a good way to check if the value of a field is null ?
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grepping using the “|” alternative operator
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Use of ~ (tilde) in R programming Language
I saw in a tutorial about regression modeling the following command :
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Preserve colouring after piping grep to grep
There is a simlar question in Preserve ls colouring after grep’ing but it annoys me that if you pipe colored grep output into another grep that the coloring is not preserved.
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Why does make think the target is up to date?
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How to reliably open a file in the same directory as a Python script
I used to open files that were in the same directory as the currently running Python script by simply using a command like
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What is a provisioning profile used for when developing iPhone applications?
...a provisioning profile and why is it needed when developing an iPhone application? If I don't have a provisioning profile, what happens?
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SQL Add foreign key to existing column
If I am using the following SQL command in SQL Server 2008 to update a table with a foreign key constraint:
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