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I have a table with a nullable datetime field.
I'll execute queries like this:
select * from TABLE where FIELD is not null select * from TABLE where FIELD is null
Should I index this field or is not necessary? I will NOT search for some datetime value...
Answer Snippets (Read the full thread at stackoverflow):
The only possible edge case when index....
;-)
(From http://dev.mysql.com/doc/refman/5.0/en/mysql-indexes.html ) - "A search using col_name IS NULL employs indexes if col_name is indexed."
It's probably not necessary .
Slightly longer: yeeees.
In short: yes.
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Not sure how you'll take this question but...
Whenever I try to make my URLs look pretty I always end up messing around for too long and it's simply not worth the trouble. But the end effect is good if it were a simple task.
So what I want to do is create...
Started by Ben Shelock on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
For /user/MyUsername ==> index.php?do=user&username=MyUsername and /page/customPage ==> index.php?do=page&pagename=customPage , you can use:
RewriteRule ^([A-Za-z0-9-]+)/([A-Za-z0-9-]+)$ index.php?do=$1&$1name=$2 [L]
But I don't think you can write... .
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PSP?!Please help!I'll answer your question!I'll answer your question!? I am playing on my PSP and i am connected to the internet. When i am trying to use the arrows they don't work on the internet And they don't work on some games. Normally when I'm not...
Started by EJ on
, 2 posts
by 2 people.
Answer Snippets (Read the full thread at yahoo):
Cheers Mate.
You need to bring it to a repair shop.
Sorry, but i think your PSP's directional Buttons is broken .
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Hi I have a list that looks like this:
val1 val2 r1 10 3 r2 5 5 r3 9 7 r4 4 1 r5 2 9 r6 1000 0
I need to get the row in which both values are at their maximum together for example:
val1 val2 r1 10 3 no match both values can be highe r2 5 5 no match both...
Started by Luiscencio on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
Val1 val2 val1+val2 r1 10 3 13 r2 5 5 10 r3 9 7 16 << r4 4 1 5 r5 2 9 11
Looks like the best solution is still to select the maximum by the sum of the two numbers:
Tuple<int,int> ... .
Just select the cell the highest sum of those two columns .
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I have a free MSDN account and now that I am proficient in C/C++/Java, and know some JavaScript, PHP and MySQL, I want to learn some proprietary languages from Microsoft. I am looking to experiment with everything within the next several months - C#, ...
Answer Snippets (Read the full thread at stackoverflow):
There are plenty of other add ons (ASP.NET MVC is currently an add on for anything less than the 2010 beta of Visual Studio)... .
The install should install any dependencies you need (the run time etc) .
The express editions are a good start, they are free .
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I am trying to create a column in a table that's a FOREIGN KEY, but in MySQL that's more difficult than it should be. It would require me to go back and make certain changes to an already-in-use table. So I wonder, how necessary is it for MySQL to be ...
Started by stalepretzel on
, 15 posts
by 15 people.
Answer Snippets (Read the full thread at stackoverflow):
You want to tell the entire stack: "These are the constraints on the data, and these constraints cannot be violated." You don't want... .
What you want are declarative constraints.
PHP is procedural.
You are going to make mistakes with PHP, 100% guaranteed .
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Background
I have a personal project that I've been trying to build for around 5 years. In essence it's an online game - a web application. It's not a "money maker", just something that I really want to build, so finding the funding to hire a skilled ...
Started by Franky-D on
, 8 posts
by 8 people.
Answer Snippets (Read the full thread at stackoverflow):
My opinion: Too much emphasis on the technology and not enough... .
Just make the client application call stub functions that return dummy data .
You don't need to build any kind of web back end to be able to get on with prototyping the client application .
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As subject.
Corrado VR6 throttle cable
mk2 golf door handles (external lever half only - I have the mech) and a clean windscreen seal
Will be at curby monday if you are going and have either pm me
Started by Rigs on
, 1 posts
by 1 people.
Answer Snippets (Read the full thread at com):
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So normally, I would get on my school laptop constantly and would always be on here....
But, school is ending very soon for me, and I turned in my laptop today...
So I won't be on as much...
And So I have to try to get on my sister's laptop all the time...
Started by kiralouise on
, 9 posts
by 3 people.
Answer Snippets (Read the full thread at myhungergames):
MY DAYS TALKING TO?! Who else will I talk to besides Gingie 24/7 I'll try to get sick more often?.
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ITT: I'll read you a bedtime story First time trying this. I'll do my best.
Started by Jim J Jiblets on
, 16 posts
by 5 people.
Answer Snippets (Read the full thread at dawgsaloon):
You better not type shit cause then you're not reading it Edit Signature Originally Posted by Jim J Jiblets I have Goldielocks, Paddington... .
Paddington Bear, if you're taking requests.
Do it, Jim J Jiblets! I have Goldielocks, Paddington Bear and The Shufflers .
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