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SQL update fields of one table from fields of another one
I have two tables:
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Any reason to write the “private” keyword in C#?
As far as I know, private is the default everywhere in C# (meaning that if I don't write public , protected , internal , etc. it will be private by default). (Please correct me if I am wrong.)
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What's the use of ob_start() in php?
Is ob_start() used for output buffering so that the headers are buffered and not sent to the browser? Am I making sense here? If not then why should we use ob_start() ?
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Test if executable exists in Python?
In Python, is there a portable and simple way to test if an executable program exists?
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How to quickly clear a JavaScript Object?
With a JavaScript Array, I can reset it to an empty state with a single assignment:
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SQL Server: Filter output of sp_who2
Under SQL Server, is there an easy way to filter the output of sp_who2? Say I wanted to just show rows for a certain database, for example.
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Why does this CSS margin-top style not work?
I try to add margin values on a div inside another div. All works fine except the top value, it seems to be ignored. But why?
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Is there a regular expression to detect a valid regular expression?
Is it possible to detect a valid regular expression with another regular expression? If so please give example code below.
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Is it better to return null or empty collection?
That's kind of a general question (but I'm using C#), what's the best way (best practice), do you return null or empty collection for a method that has a collection as a return type ?
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Setting DIV width and height in JavaScript
I have a div with id="div_register" . I want to set its width dynamically in JavaScript.
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