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In C#, how do I calculate someone's age based on a DateTime type birthday?
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Actually this is great for usage on MS-SQL with datetime-fields (total days since 01-011900)
– Patrik
Jul 3 '15 at 12:01
5
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Difference between HBase and Hadoop/HDFS
This is kind of naive question but I am new to NoSQL paradigm and don't know much about it. So if somebody can help me clearly understand difference between the HBase and Hadoop or if give some pointers which might help me understand the difference.
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Why does this assert throw a format exception when comparing structures?
...en't expecting foo nor was the actual value bar!
Basically this is like a SQL injection attack, but in the rather less scary context of string.Format.
As a workaround, you can use string.Formatas StriplingWarrior suggests. That avoids the second level of formatting being performed on the result of...
Storing custom objects in an NSMutableArray in NSUserDefaults
...erDefaults shouldn't be used for storage of large arrays (Core Data or raw SQLite should be used for that instead), but it's perfectly fine to stash small arrays of encoded objects there. In any case, the question was asking how to do this, which is what the above code provides. As far as the votes,...
Parse usable Street Address, City, State, Zip from a string [closed]
... have an address field from an Access database which has been converted to Sql Server 2005. This field has everything all in one field. I need to parse out the individual sections of the address into their appropriate fields in a normalized table. I need to do this for approximately 4,000 records an...
How can I use redis with Django?
...ct fit for redis. Also, once you go above a million rows of anything in a SQL db, redis can be a great complimentary resource for membership testing ( eg Are these entities in this domain? )
– David
Jun 24 '13 at 16:00
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Rails has_and_belongs_to_many migration
...as you are querying on both restaurant_id and user_id, their order in your SQL doesn't matter, and the first index will be used. It will also be used if you are only querying on restaurant_id. The second index only needs to be on :user_id, and would get used in cases where you are only querying on u...
How can I get the current date and time in UTC or GMT in Java?
... Behrang, according to stackoverflow.com/questions/4123534/…, the MySQL JDBC driver converts a given java.util.Timestamp (or java.util.Date) to the server time zone.
– Derek Mahar
Dec 7 '10 at 21:02
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How to set time zone of a java.util.Date?
...er compliant with JDBC 4.2 or later. No need for strings, no need for java.sql.* classes. Hibernate 5 & JPA 2.2 support java.time.
Where to obtain the java.time classes?
Java SE 8, Java SE 9, Java SE 10, Java SE 11, and later - Part of the standard Java API with a bundled implementation.
Java...
What is a proper naming convention for MySQL FKs?
Being that they must be unique, what should I name FK's in a MySQL DB?
4 Answers
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