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sqlite database default time value 'now'
Is it possible in a sqlite database to craete a table that has a timestamp column that default to DATETIME('now') ?
7 Ans...
How to add spacing between UITableViewCell
Is there any way to add spacing between UITableViewCell ?
30 Answers
30
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MongoDB/NoSQL: Keeping Document Change History
...ific entities in a database. I've heard this called row versioning, a log table or a history table (I'm sure there are other names for it). There are a number of ways to approach it in an RDBMS--you can write all changes from all source tables to a single table (more of a log) or have a separate h...
How can bcrypt have built-in salts?
...k. It's meant to prevent an attacker with read-only access to the password table from authenticating. For example, you get a backup tape with the table on it.
– erickson
Aug 6 '14 at 22:38
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Natural Sort Order in C#
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This is not portable, only works in Win32, but does not work in Linux / MacOS / Silverlight / Windows Phone / Metro
– linquize
Jul 29 '12 at 9:36
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The entity type is not part of the model for the current context
...g(DbModelBuilder modelBuilder)
{
modelBuilder.Entity<Estate>().ToTable("Estate");
}
If your tables are not created on startup, this is why. You need to tell the DbContext about them in the OnModelCreating method override.
You can either do custom per-entity mappings here, or separate t...
How can I access the MySQL command line with XAMPP for Windows?
... .\mysql -u root (use this in powershell ".\" means look for executable or binary in present working directory)
– Timothy L.J. Stewart
Jan 5 '17 at 20:39
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Access denied for user 'root@localhost' (using password:NO)
...not use the privilege system of MySQL.
[root ~]# mysqld_safe --skip-grant-tables &
At this moment, the terminal will seem to halt. Let that be, and use new terminal for next steps.
enter the mysql command prompt
[root ~]# mysql -u root
mysql>
Fix the permission setting of the roo...
Best way to store password in database [closed]
...gets a hold of your database, they can still use what are known as rainbow tables to be able to "decrypt" the password (at least those that show up in the rainbow table). To get around this, developers add a salt to passwords which, when properly done, makes rainbow attacks simply infeasible to do. ...
How do Trigonometric functions work?
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Note that the table of values used by CORDIC must be pre-calculated. So, Taylor might still be used at "compile time".
– Rhubbarb
May 22 '13 at 21:38
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