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Differences between Line and Branch coverage
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Line coverage measures how many statements you took (a statement is usually a line of code, not including comments, conditionals, etc). Branch coverages checks if you took the true and false branch for each conditional (if, while, for). Yo...
Why can't I use an alias in a DELETE statement?
...alias the table you'd have to say:
DELETE f FROM dbo.foods AS f WHERE f.name IN (...);
I fail to see the point of aliasing for this specific DELETE statement, especially since (at least IIRC) this no longer conforms to strict ANSI. But yes, as comments suggest, it may be necessary for other query...
Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable
...ou use empty array or empty list, those are objects and they are stored in memory. Than Garbage Collector has to take care of them. If you are dealing with high throughput application, it could be noticeable impact.
Enumerable.Empty does not create an object per call thus putting less load on GC.
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How to display loading message when an iFrame is loading?
I have an iframe that loads a third party website which is extremely slow to load.
9 Answers
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How do you copy a record in a SQL table but swap out the unique id of the new row?
This question comes close to what I need, but my scenario is slightly different. The source table and destination table are the same and the primary key is a uniqueidentifier (guid). When I try this:
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MySQL - SELECT WHERE field IN (subquery) - Extremely slow why?
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Rewrite the query into this
SELECT st1.*, st2.relevant_field FROM sometable st1
INNER JOIN sometable st2 ON (st1.relevant_field = st2.relevant_field)
GROUP BY st1.id /* list a unique sometable field here*/
HAVING COUNT(*) > 1
I think st2.relevant_field must be in the select, because oth...
Get class name of object as string in Swift
Getting the classname of an object as String using:
31 Answers
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Combine the first two commits of a Git repository?
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Delaying a jquery script until everything else has loaded
...ipt which I need to run only once everything else on the page, including some other javascripts (over which I have no control) have finished doing their thing.
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Get full path without filename from path that includes filename
Is there anything built into System.IO.Path that gives me just the filepath?
6 Answers
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