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Why not abstract fields?
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folibis
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answered Feb 5 '10 at 22:59
rsprsp
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How can I explicitly free memory in Python?
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radtek
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answered Aug 22 '09 at 19:18
HavenardHavenar...
Adding a new value to an existing ENUM Type
...te type some_enum_type as enum ('old', 'values', 'and', 'new', 'ones');
-- 3. rename column(s) which uses our enum type
alter table some_table rename column some_column to _some_column;
-- 4. add new column of new type
alter table some_table add some_column some_enum_type not null default 'new';
-- ...
How do I set cell value to Date and apply default Excel date format?
I've been using Apache POI for some time to read existing Excel 2003 files programmatically. Now I have a new requirement to create entire .xls files in-memory (still using Apache POI) and then write them to a file at the end. The only problem standing in my way is the handling of cells with dates.
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How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
...er, somedata text);
INSERT INTO newvals(id, somedata) VALUES (2, 'Joe'), (3, 'Alan');
LOCK TABLE testtable IN EXCLUSIVE MODE;
UPDATE testtable
SET somedata = newvals.somedata
FROM newvals
WHERE newvals.id = testtable.id;
INSERT INTO testtable
SELECT newvals.id, newvals.somedata
FROM newvals
LEFT...
Write string to text file and ensure it always overwrites the existing content.
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375
System.IO.File.WriteAllText (@"D:\path.txt", contents);
If the file exists, this overwrites...
Detailed 500 error message, ASP + IIS 7.5
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13 Answers
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XPath query to get nth instance of an element
...re NovatchevDimitre Novatchev
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6
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How do I view the SQLite database on an Android device? [duplicate]
...e Manager (Tools->SQLite Manager) and open your database file from step 3 above.
Enjoy!
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What do I return if the return type of a method is Void? (Not void!)
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answered Mar 24 '09 at 9:38
John FeminellaJohn Feminella
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