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How to add a primary key to a MySQL table?
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After adding the column, you can always add the primary key:
ALTER TABLE goods ADD PRIMARY KEY(id)
As to why your script wasn't working, you need to specify PRIMARY KEY, not just the word PRIMARY:
alter table goods add column `i...
How to suppress scientific notation when printing float values?
... edited Aug 22 '12 at 15:15
Adam Parkin
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answered Mar 18 '09 at 15:30
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How to use a wildcard in the classpath to add multiple jars? [duplicate]
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gturri
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answered Aug 6 '09 at 5:26
Itay MamanItay Maman
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Jquery: how to trigger click event on pressing enter key
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Protect .NET code from reverse engineering?
...ood user experience and ignore the people cracking your software.
I've had my application pirated before, and I took it as a personal affront. Here I was, a small-time developer, pouring my heart and soul into an application and these people had the gall to pirate from me?! They were taking money...
jQuery get textarea text
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Why would you want to convert key strokes to text? Add a button that sends the text inside the textarea to the server when clicked. You can get the text using the value attribute as the poster before has pointed out, or using jQuery's API:
$('input#mybutton').click(function(...
How to find whether or not a variable is empty in Bash
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Peter Mortensen
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answered Jun 17 '10 at 17:09
JayJay
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Prevent Bootstrap Modal from disappearing when clicking outside or pressing escape? [duplicate]
...losing it when clicking outside of the modal or when pressing escape. Instead, I want it to be closed when the user presses the finish button. How could I achieve this scenario?
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Conditional Replace Pandas
...eplace the values in a particular column that exceed a value with zero. I had thought this was a way of achieving this:
6 A...
Where does R store packages?
...In my .Rprofile, I have this line:
.libPaths( "/Users/tex/lib/R" )
This adds the directory "/Users/tex/lib/R" to the front of the .libPaths variable.
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