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Should a RESTful 'PUT' operation return something
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If the backend of the REST API is a SQL relational database, then
you should have RowVersion in every record that can be updated (to avoid the lost update problem)
you should always return a new copy of the record after PUT (to get the new RowVersion).
If ...
Simple way to calculate median with MySQL
...e simplest (and hopefully not too slow) way to calculate the median with MySQL? I've used AVG(x) for finding the mean, but I'm having a hard time finding a simple way of calculating the median. For now, I'm returning all the rows to PHP, doing a sort, and then picking the middle row, but surely th...
Truncate all tables in a MySQL database in one command?
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Drop (i.e. remove tables)
mysql -Nse 'show tables' DATABASE_NAME | while read table; do mysql -e "drop table $table" DATABASE_NAME; done
Truncate (i.e. empty tables)
mysql -Nse 'show tables' DATABASE_NAME | while read table; do mysql -e "truncate tab...
MySQL: Invalid use of group function
I am using MySQL. Here is my schema:
2 Answers
2
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How to escape % in String.Format?
I am storing a SQL query in my strings.xml file and I want to use String.Format to build the final string in code. The SELECT statement uses a like, something like this:
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Calculate distance between 2 GPS coordinates
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This is very easy to do with geography type in SQL Server 2008.
SELECT geography::Point(lat1, lon1, 4326).STDistance(geography::Point(lat2, lon2, 4326))
-- computes distance in meters using eliptical model, accurate to the mm
4326 is SRID for WGS84 elipsoidal Earth mod...
How to remove all MySQL tables from the command-line without DROP database permissions? [duplicate]
How do I drop all tables in Windows MySQL, using command prompt? The reason I want to do this is that our user has access to the database drops, but no access to re-creating the database itself, for this reason we must drop the tables manually. Is there a way to drop all the tables at once? Bear in ...
How do I find the MySQL my.cnf location
Is there a MySQL command to locate the my.cnf configuration file, similar to how PHP's phpinfo() locates its php.ini ?
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Get encoding of a file in Windows
... you're only looking for "bad encodings" from a known list of tools. (i.e. SQL Management Studio defaults to UTF16, which broke GIT auto-cr-lf for Windows, which was the default for many years.)
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Date format Mapping to JSON Jackson
....util.Date explicitly I want to point out that this does not work for java.sql.Date. See also my answer below.
– brass monkey
Nov 16 '18 at 16:00
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