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MySQL Insert into multiple tables? (Database normalization?)
I tried searching a way to insert information in multiple tables in the same query, but found out it's impossible?
So I want to insert it by simply using multiple queries i.e;
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How to prevent ifelse() from turning Date objects into numeric objects
I am using the function ifelse() to manipulate a date vector. I expected the result to be of class Date , and was surprised to get a numeric vector instead. Here is an example:
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How to return a value from a Form in C#?
I have a main form (let's call it frmHireQuote) that is a child of a main MDI form (frmMainMDI), that shows another form (frmImportContact) via ShowDialog() when a button is clicked.
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Is there a way to ignore header lines in a UNIX sort?
I have a fixed-width-field file which I'm trying to sort using the UNIX (Cygwin, in my case) sort utility.
12 Answers
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Beginners Guide to Haskell? [closed]
I've been looking for a decent guide to Haskell for some time, but haven't been able to find one that seems interesting enough to read through and/or makes sense.
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Removing duplicate rows from table in Oracle
I'm testing something in Oracle and populated a table with some sample data, but in the process I accidentally loaded duplicate records, so now I can't create a primary key using some of the columns.
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Pip install Matplotlib error with virtualenv
I am trying to install matplotlib in a new virtualenv.
11 Answers
11
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Determine distance from the top of a div to top of window with javascript
How do I determine the distance between the very top of a div to the top of the current screen? I just want the pixel distance to the top of the current screen, not the top of the document. I've tried a few things like .offset() and .offsetHeight , but I just can't wrap my brain around it. Tha...
What does java.lang.Thread.interrupt() do?
Could you explain what java.lang.Thread.interrupt() does when invoked?
9 Answers
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Why can't C# interfaces contain fields?
For example, suppose I want an ICar interface and that all implementations will contain the field Year . Does this mean that every implementation has to separately declare Year ? Wouldn't it be nicer to simply define this in the interface?
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