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Removing duplicate rows from table in Oracle
...gentid, class , status, terminationdate
order by rowid) rn
from t)
where rn <> 1);
(fixed the missing parenthesis)
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Why use ICollection and not IEnumerable or List on many-many/one-many relationships?
...operties in Entity Framework come with change tracking and are proxies. In order for the dynamic proxy to be created as a navigation property, the virtual type must implement ICollection.
A navigation property that represents the "many" end of a relationship must return a type that implements IC...
How to stop mongo DB in one command
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I believe the order for service is sudo service mongodb [start|stop|restart|status]. sudo service stop mongodb results in: stop: unrecognized service
– jacob
Jul 12 '13 at 16:21
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Android Studio says “cannot resolve symbol” but project compiles
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Try changing the order of dependencies in File > Project Structure > (select your project) > Dependencies.
Invalidate Caches didn't work for me, but moving my build from the bottom of the list to the top did.
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How to compare two NSDates: Which is more recent?
...son will tell which is earlier/later/same:
if ([date1 compare:date2] == NSOrderedDescending) {
NSLog(@"date1 is later than date2");
} else if ([date1 compare:date2] == NSOrderedAscending) {
NSLog(@"date1 is earlier than date2");
} else {
NSLog(@"dates are the same");
}
Please refer to...
Fastest way to serialize and deserialize .NET objects
...st base-64 encode the binary.
[XmlType]
public class CT {
[XmlElement(Order = 1)]
public int Foo { get; set; }
}
[XmlType]
public class TE {
[XmlElement(Order = 1)]
public int Bar { get; set; }
}
[XmlType]
public class TD {
[XmlElement(Order=1)]
public List<CT> CTs { g...
SQL Server dynamic PIVOT query?
... to sort the @cols then you could remove the DISTINCT and use GROUP BY and ORDER BY when you get the list of @cols.
– Taryn♦
Nov 29 '16 at 21:40
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Auto increment primary key in SQL Server Management Studio 2012
... This solution is the correct one if you care about the time order of inserted rows, because IDENTITY sometimes jumps leaving gaps then it is back to fill those gaps again. So IDENTITY does not guarantee ALWAYS incrmenet condition
– FindOut_Quran
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What is the lifetime of a static variable in a C++ function?
...ermination. This means that the run-time must perform some book keeping in order to destruct it only if it was actually constructed.
Additionally, since the standard says that the destructors of static objects must run in the reverse order of the completion of their construction[1], and the order of...
How to connect to Mysql Server inside VirtualBox Vagrant?
...t options"
Default options are read from the following files in the given order: /etc/my.cnf /etc/mysql/my.cnf ~/.my.cnf
On Ubuntu 16, the path is typically /etc/mysql/mysql.conf.d/mysqld.cnf
Change configuration file for bind-address:
If it exists, change the value as follows. If it doesn't ex...