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Differences between INDEX, PRIMARY, UNIQUE, FULLTEXT in MySQL?
What are the differences between PRIMARY, UNIQUE, INDEX and FULLTEXT when creating MySQL tables?
3 Answers
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How to set auto increment primary key in PostgreSQL?
I have a table in PostgreSQL with 22 columns, and I want to add an auto increment primary key.
7 Answers
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How do you add CSS with Javascript?
... { color: red; }', sheet.cssRules.length);
...on all but (naturally) IE8 and prior, which uses its own marginally-different wording:
sheet.addRule('strong', 'color: red;', -1);
There is a theoretical advantage in this compared to the createElement-set-innerHTML method, in that you don't have to...
PHP 5 disable strict standards error
... to setup my PHP script at the top to disable error reporting for strict standards.
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what is the function of webpages:Enabled in MVC 3 web.config
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Isn't that what the "BlockViewHandler" configuration is for? What is the difference?
– Tom Pažourek
Nov 20 '14 at 22:16
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Java lib or app to convert CSV to XML file? [closed]
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Maybe this might help: JSefa
You can read CSV file with this tool and serialize it to XML.
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How to do a simple file search in cmd
...search for a file given its name or part of its name, from the windows command line (not power shell). This is similar to opening explorer and using the search box at the top.
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Form inside a table
I'm including some forms inside a HTML table to add new rows and update current rows. The problem that I'm getting is that when I inspect the forms in my dev tools, I see that the form elements are closed immediately after opening (inputs, etc are not included within the form).
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Regular expression to match any character being repeated more than 10 times
...nce. It references what is captured by the dot . between the brackets (.) and then the {9,} asks for nine or more of the same character. Thus this matches ten or more of any single character.
Although the above test script is in Perl, this is very standard regex syntax and should work in any langu...
select * vs select column
If I just need 2/3 columns and I query SELECT * instead of providing those columns in select query, is there any performance degradation regarding more/less I/O or memory?
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