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Is there a performance difference between CTE , Sub-Query, Temporary Table or Table Variable?
...ame information to the query optimizer. One difference is that a CTE used more than once could be easily identified and calculated once. The results could then be stored and read multiple times. Unfortunately, SQL Server does not seem to take advantage of this basic optimization method (you might...
Save icon: Still a floppy disk? [closed]
...cations is a wonderful thing.
I suspect that over time the icon will grow more stylized and less like an actual floppy disk once people start forgetting what they look like (or never knew). The icon nowadays represents the concept of saving more than it represents floppy disks anyway.
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Javascript switch vs. if…else if…else
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Answering in generalities:
Yes, usually.
See More Info Here
Yes, because each has a different JS processing engine, however, in running a test on the site below, the switch always out performed the if, elseif on a large number of iterations.
Test site
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SPA best practices for authentication and session management
...ier.
HTTP Digest Auth
Is Digest authentication possible with jQuery?
A more "secure" auth, this is a request/response hash challenge. Except JavaScript Crypto is Hopeless, so it only works over SSL and you still have to cache the username and password on the client side, making it more complicat...
Is it possible to define more than one function per file in MATLAB, and access them from outside tha
...ested, which makes them quite useful albeit slightly tricky to work with.
More food for thought...
There are some ways around the normal function scoping behavior outlined above, such as passing function handles as output arguments as mentioned in the answers from SCFrench and Jonas (which, starti...
What is thread contention?
...d resources in such a way that at least one of the contending threads runs more slowly than it would if the other thread(s) were not running.
The most obvious example of contention is on a lock. If thread A has a lock and thread B wants to acquire that same lock, thread B will have to wait until th...
When to use RDLC over RDL reports?
...cessingMode.Remote'.
You can set parameters a user can see and use to gain more flexibility.
You can configure parts of a report to be used for connection strings as 'Data Sources' as well as a sql query, xml, or other datasets as a 'Dataset'. These parts and others can be stored and configured to ...
Primary key/foreign Key naming convention [closed]
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+1, for common sense... There are more important things to argue about.. So, do it my way (choice 2)
– Charles Bretana
Sep 2 '09 at 19:28
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Java HashMap performance optimization / alternative
... multiplications), and the distribution of its hash codes will probably be more even.
– jcsahnwaldt Reinstate Monica
Feb 17 '18 at 18:49
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RESTful URL design for search
...ct as, per RFC3986, the path and querystring identify the resource. What's more, proper naming would simply be /cars?color=whatever.
– Lloeki
Jun 1 '12 at 12:23
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