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HTML table with fixed headers?
Is there a cross-browser CSS/JavaScript technique to display a long HTML table such that the column headers stay fixed on-screen and do not scroll with the table body. Think of the "freeze panes" effect in Microsoft Excel.
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Why does X[Y] join of data.tables not allow a full outer join, or a left join?
This is a bit of a philosophical question about data.table join syntax. I am finding more and more uses for data.tables, but still learning...
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How does password salt help against a rainbow table attack?
...ssword. It's my understanding that the primary use is to hamper a rainbow table attack. However, the methods I've seen to implement this don't seem to really make the problem harder.
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Difference between Fact table and Dimension table?
When reading a book for business objects, I came across the term- fact table and dimension table.
9 Answers
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How can I list ALL grants a user received?
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If you want more than just direct table grants (e.g., grants via roles, system privileges such as select any table, etc.), here are some additional queries:
System privileges for a user:
SELECT PRIVILEGE
FROM sys.dba_sys_privs
WHERE grantee = <theUser...
What type of hash does WordPress use?
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The WordPress password hasher implements the Portable PHP password hashing framework, which is used in Content Management Systems like WordPress and Drupal.
They used to use MD5 in the older versions, but sadly for me, no more. You can generate hashes using this encrypti...
How to determine the version of the C++ standard used by the compiler?
...ort to compiler specific hackery (look at a version macro, compare it to a table with implemented features) or use Boost.Config (which provides relevant macros). The advantage of this is that we actually can pick specific features of the new standard, and write a workaround if the feature is missing...
Alter MySQL table to add comments on columns
I have been checking the MySQL Documentation for ALTER TABLE and it does not seem to include a way to add or modify a comment to a column. How can I do this?
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Creating an index on a table variable
Can you create an index on a table variable in SQL Server 2000?
3 Answers
3
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How to drop all user tables?
How can I drop all user tables in oracle?
9 Answers
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