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Update a column value, replacing part of a string
I have a table with the following columns in a MySQL database
6 Answers
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Is there an opposite to display:none?
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When changing element's display in Javascript, in many cases a suitable option to 'undo' the result of element.style.display = "none" is element.style.display = "". This removes the display declaration from the style attribute, reverting the actual value of display property to the value set...
Postgresql: Conditionally unique constraint
... a constraint which enforces uniqueness on a column only in a portion of a table.
2 Answers
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Converting file size in bytes to human-readable string
...r, and Diff. The cleanup operation resulted in the growth of some database tables, and the reduction in others. For example, Table A has a diff of -1.95 MB, while Table B has a diff of 500 kB. Therefore: positive and negative :-)
– Aaron Blenkush
May 2 '14 at 1...
Using an ORM or plain SQL? [closed]
...ased on Java beans get/set methods. This is a TON of boilerplate for every table, for every column and ... here's the real anti-pattern: Just to expose every field as if it were public. In effect, having a get/set method on fields in an object/table/row is very close to violating every tenant of inf...
LEN function not including trailing spaces in SQL Server
I have the following test table in SQL Server 2005:
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Why are ToLookup and GroupBy different?
...happens when you call ToLookup on an object representing a remote database table with a billion rows in it?
The billion rows are sent over the wire, and you build the lookup table locally.
What happens when you call GroupBy on such an object?
A query object is built; end of story.
When that quer...
Group by month and year in MySQL
Given a table with a timestamp on each row, how would you format the query to fit into this specific json object format.
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Remove non-utf8 characters from string
... @Alliswell If I'm not mistaken <0x1a>, although not printable character, is a perfectly valid UTF-8 sequence. You might have issues with non-printable characters? Check this: stackoverflow.com/questions/1176904/…
– Frosty Z
Mar 12 '19 at 8:...
How to stop text from taking up more than 1 line?
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Note: this only works on block elements. If you need to do this to table cells (for example) you need to put a div inside the table cell as table cells have display table-cell not block.
As of CSS3, this is supported for table cells as well.
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