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What is a deadlock?
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So deadlock is more of two processes with locked resources waiting for those resources to be released..
– rickyProgrammer
Sep 28 '17 at 17:46
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Why use a READ UNCOMMITTED isolation level?
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Snapshots rely on an entirely new data change tracking method ... more than just a slight logical change, it requires the server to handle the data physically differently. Once this new data change tracking method is enabled, it creates a copy, or snapshot of every data change. By reading t...
Node.js / Express.js - How does app.router work?
...it will either call the next middleware by using next() or make it so no more middleware get called. That means that the order in which I place my middleware calls is important, because some middleware depends on other middleware, and some middleware near the end might not even be called.
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Eclipse reports rendering library more recent than ADT plug-in
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Querying DynamoDB by date
... would want to use a global secondary index on the "CreatedAt" field.
For more on DynamoDB secondary indexes see the secondary index documentation
Original Answer:
DynamoDB does not allow indexed lookups on the range key only. The hash key is required such that the service knows which partition ...
javascript regex - look behind alternative?
...th lookbehind doesn't match 2filename.js, but the regex given here does. A more appropriate one would be ^(?!.*filename\.js$).*\.js$. This means, match any *.js except *filename.js.
– weibeld
May 16 '17 at 5:16
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How can I find out what FOREIGN KEY constraint references a table in SQL Server?
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You should use the more focused sys.tables rather than sys.objects
– marc_s
Jul 6 '13 at 10:16
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Python 3 turn range to a list
...bly don't need a list though since you can come by the value of my_list[i] more efficiently (i + 1), and if you just need to iterate over it, you can just fall back on range.
Also note that on python2.x, xrange is still indexable1. This means that range on python3.x also has the same property2
1p...
Multiple Inheritance in C#
Since multiple inheritance is bad (it makes the source more complicated) C# does not provide such a pattern directly. But sometimes it would be helpful to have this ability.
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What does it mean that Javascript is a prototype based language?
.... Classes can then be organized into a hierarchy, furthering code reuse. More general code is stored in a higher-level class, from which lower level classes inherit. This means that an object is sharing code with other objects of the same class, as well as with its parent classes.
In the prototy...