I perform an insert as follows: INSERT INTO foo (a,b,c) SELECT x,y,z FROM fubar WHERE ... 开发者_JS百科However, if some of the rows that are being inserted violate the duplicate key index on foo, I
For performance reasons, i want to set the Indexed Attribute to some of my entities. I created a new core data model version to perform the changes. Core Data detects the changes and migrates my model
This query (part of a sproc) will be executed quite a lot: SELECT TOP (@numRecords)BlogPost.postId,BlogPost.creationDate,
I have code which looks something like this: thing_index = thing_list.index(thing) otherfunction(thing_list, thing_index)
If a is the array, I want a.index(a.max), but something more Ruby-like.It should be obvious, but I\'m having trouble finding the answer at so and elsewhere.Obviously, I am n开发者_如何学JAVAew to Ruby
I have a site with a master page, Site.master. Many of Site.master\'s content pages have the same button that functions the same way on each page:
I wonder if there is any wise way to rewrite the following query so that the indexes on columns get used by optimizer?
just considering starting to learning python but I have one concern before I invest more time. Let me phrase this as a statement followed by a concern for others to comment on as perhaps the assumptio
We\'ve got a table we use as a queue. Entries are constantly being added, and constantly being updated, and then deleted. Though we might be adding 3 entries/sec the table never grows to be more than
My need is to have items in kind of Collections.Generic.Dictionary where I can get a struct by it\'s id as a key. Then I have need to fetch many structs, say 1% or less of all items, by another field.
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