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How to create composite primary key in SQL Server 2008
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CREATE TABLE UserGroup
(
[User_Id] INT NOT NULL,
[Group_Id] INT NOT NULL
CONSTRAINT PK_UserGroup PRIMARY KEY NONCLUSTERED ([User_Id], [Group_Id])
)
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Using regular expression in css?
I have an html page with divs that have id (s) of the form s1 , s2 and so on.
8 Answers
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When to use Common Table Expression (CTE)
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Interesting fact about CTE. I always wondered why NEWID() in the CTE changes when the CTE is referenced more than once. select top 100 * into #tmp from master..spt_values order by 1,2,3,4 select A.number, COUNT(*) from #tmp A inner join #tmp B ON A.number = B.number+1 group by...
How do I kill background processes / jobs when my shell script exits?
... @user1431317 but you could redirect the output of jobs -p to a temporary file and read it from there for kill.
– jarno
Aug 22 at 5:39
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Nginx location priority
...s.
Regular expressions, in the order they are defined in the configuration file.
If #3 yielded a match, that result is used. Otherwise, the match from #2 is used.
Example from the documentation:
location = / {
# matches the query / only.
[ configuration A ]
}
location / {
# matches any q...
Node.js Mongoose.js string to ObjectId function
Is there a function to turn a string into an objectId in node using mongoose? The schema specifies that something is an ObjectId, but when it is saved from a string, mongo tells me it is still just a string. The _id of the object, for instance, is displayed as objectId("blah") .
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Select Multiple Fields from List in Linq
... in your code:
var cats = listObject
.Select(i => new { i.category_id, i.category_name })
.Distinct()
.OrderByDescending(i => i.category_name)
.ToArray();
Since you (apparently) need to store it for later use, you could use the GroupBy operator:
Data[] cats = listObject
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JavaScript for…in vs for
... @Nosredna: There's an issue about order of iteration for Chrome, filed by none other than John Resig, that is marked as WontFix. code.google.com/p/chromium/issues/detail?id=883 . Even before chrome, the order of iteration was not the same across browsers if you remove and then add a proper...
Real-world applications of zygohistomorphic prepromorphisms
...a on the landing page. The actual definition of the zygomorphism is in the file Main.hs - its different to the definition in the paper. It is "just" a zygomorphism not a "zygohistomorphic prepromorphisms" - a zygomorphism is the closest thing I've seen with a real world use. Though there are slides...
How to put more than 1000 values into an Oracle IN clause [duplicate]
...000 items in a static IN clause? I have a comma delimited list of many of IDs that I want to use in an IN clause, Sometimes this list can exceed 1000 items, at which point Oracle throws an error. The query is similar to this...
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