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In Java, when should I create a checked exception, and when should it be a runtime exception? [dupli
...g an exception in this case seems more appropriate, and this exception may then carry your suggested status object.
– Roland Illig
Apr 17 '10 at 6:44
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Oracle SQL: Update a table with data from another table
...mething like @PaulKarr's loop -- and if there is not a unique correlation, then more than one target row may be updated for each source row.
– Andrew Leach
Dec 17 '13 at 16:12
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How to force LINQ Sum() to return 0 while source collection is empty
...he collection is empty, it will return one element with the value of 0 and then the sum will be applied.
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Copy/duplicate database without using mysqldump
... The case against mysqldump is that there has to be a faster way then serializing the data into queries, transmitting the queries outside of the process and through the tty back into the exact same process, reparsing the queries, and executing them as statements. That sounds horribly ineff...
HTML form readonly SELECT tag/input
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If you reenable the select you must also then disable or remove the hidden input (after copying it's value as described) of course. Otherwise you'll get the value submitted double
– Adam
Mar 12 '13 at 10:55
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“using namespace” in c++ headers
...he #include s in their .h files. This seems to me to be dangerous since then by including that header in another program I will get the namespace imported into my program, maybe without realizing, intending or wanting it (header inclusion can be very deeply nested).
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How to determine whether a Pandas Column contains a particular value
...unt())
the found.count() will contains number of matches
And if it is 0 then means string was not found in the Column.
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Best way to get identity of inserted row?
...e more verbose (you'll need to insert into a table variable/temp table and then query that) and it gives results even in an error scenario where the statement is rolled back. That said, if your query uses a parallel execution plan, this is the only guaranteed method for getting the identity (short ...
How to jump to a particular line in a huge text file?
... gonna jump to several random lines! but if he's only jumping to one line, then this is wasteful
– hasen
Mar 6 '09 at 21:47
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Regular expression to search for Gadaffi
...glob of text about Mr. Gaddafi. Even using compound-Khadafy terms in here, then we might find Mr Qudhafi to be matched fairly well. For example even with apostrophes sprinkled randomly like in Kad'afi, you won't find false positives matched like godfrey, or godby, or even kabbadi";
$wordArray = pre...