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How does Java Garbage Collection work with Circular References?
... method that prints out a unique id for the object. You'll be able to see all the objects that reference each other get collected.
– Bill the Lizard
Dec 15 '09 at 20:45
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use localStorage across subdomains
...sidered a subdomain (a stupid decision if you ask me). If a user was originally on site.com and decides to type in www . site.com on her next visit, all her personal data will be inaccessible. How do I get all my "subdomains" to share the same localStorage as the main domain?
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Postgres and Indexes on Foreign Keys and Primary Keys
Does Postgres automatically put indexes on Foreign Keys and Primary Keys? How can I tell? Is there a command that will return all indexes on a table?
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Print only?
How do I print the indicated div (without manually disabling all other content on the page)?
30 Answers
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When restoring a backup, how do I disconnect all active connections?
...ecificed DELAY, thereby giving user queries an opporunity to complete naturally.
– John Sansom
Jul 20 '09 at 16:02
2
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Copy all files and folders using msbuild
...sbuild scripts that I am trying to write. What I would like to do is copy all the files and sub folders from a folder to another folder using msbuild.
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How to detect page zoom level in all modern browsers?
...n bigger mess than it was when this question was first asked. From reading all the responses and blog posts I could find, here's a summary. I also set up this page to test all these methods of measuring the zoom level.
Edit (2011-12-12): I've added a project that can be cloned: https://github.com/t...
How to find all tables that have foreign keys that reference particular table.column and have values
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This solution will not only display all relations but also the constraint name, which is required in some cases (e.g. drop constraint):
SELECT
CONCAT(table_name, '.', column_name) AS 'foreign key',
CONCAT(referenced_table_name, '.', referenced_column_n...
Nested using statements in C#
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Not sure if I find that more readable at all. If anything it breaks the look of nested code. And it looks as if the first using statement is empty and unused. But, I guess what ever works... :/
– Jonathon Watney
Aug 25 '09 at 2...
SQL Query to concatenate column values from multiple rows in Oracle
... (with tag E)
extract the text of this
aggregate the xml (concatenate it)
call the resulting column "Result"
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