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What's the difference between using INDEX vs KEY in MySQL?
I know how to use INDEX as in the following code. And I know how to use foreign key and primary key .
5 Answers
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How to change the DataTable Column Name?
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I just tried this solution now and it works fine - it did not do any changes or wipe out the underlying column data. Maybe something else is happening in your code...
– AshesToAshes
Aug 15 '13 at 15:25
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How to output loop.counter in python jinja template?
...hat the reference to this I could not find on their website, while counter and counter0 are documented but not present in the version I installed yesterday.
– njzk2
Jan 15 '14 at 16:04
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Batch not-equal (inequality) operator
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this requires command extensions to be turned on (They are by default on 2000+ but can be turned off system wide or as a parameter to cmd.exe) Normally you should turn them on with setlocal, but for a simple if not equal test, just use "if not...
How to display the current year in a Django template?
...mon use case I've seen for wanting the current year is a copyright notice, and it's really not that important for it to be perfect for that 24 hours while Jan 1st makes its way around the world.
– Endophage
Sep 26 '11 at 22:42
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Make column not nullable in a Laravel migration
...aylor Otwell (creator of Laravel) said 6 days ago (2014-05-09): "I still stand by my statement that if anyone can successfully and cleanly do it I will merge it." github.com/laravel/framework/issues/895#issuecomment-42709756
– Ryan
May 15 '14 at 21:30
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Rails “validates_uniqueness_of” Case Sensitivity
...validates the uniqueness of 'foo' by asking the DB if that name exists yet and the DB says the name doesn't exist yet.
Process B does the same thing and gets the same response
Process A submits the insert statement for the new record and succeeds
If you have a database constraint requiring uniquenes...
In Eclipse, can I have multiple Console views at once, each showing a different Console?
...some applications that, in debug mode, log to the console. I'd like to run and debug them from inside of Eclipse, and view the console for each one simultaneously. However, I have a single Console tab that shows a single Console output at a time. Is there a way I can split the consoles into multiple...
How can I see the specific value of the sql_mode?
...RACLE,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,NO_AUTO_CREATE_USER and etc are not set? Or do you mean that some of them are set but simply not shown by default?
– Pacerier
Apr 22 '16 at 3:44
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CSS Pseudo-classes with inline styles
...g the delimiting braces), whose formal grammar is given below in the terms and conventions of the CSS core grammar:
declaration-list
: S* declaration? [ ';' S* declaration? ]*
;
Neither selectors (including pseudo-elements), nor at-rules, nor any other CSS construct are allowed.
Think of inlin...