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Multiple Updates in MySQL
... answer assumes the ID is a unique key (can be primary as others said) but more importantly it assumes there are no other unique keys. If there are any, it can throw a spanner in the works.
– Steve Horvath
Dec 3 '14 at 5:43
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Is it possible to change icons in Visual Studio 2012?
...them into the DLLs for Visual Studio 2012. The managed resources are a lot more complex and haven't been added in yet, though I have gotten some to work.
The initial release didn't work well with themes that had a dark Tree View background color due to how the icon colors are inverted when a dark b...
Object reference not set to an instance of an object.Why doesn't .NET show which object is `null`?
...he debugger. So, the question is, what's the reason for not including some more info on what exactly returned null - note that the OP doesn't claim he or she wants to know that for release builds, as well, debug builds may be sufficient.
– O. R. Mapper
Feb 9 '1...
What is the difference between inversedBy and mappedBy?
...ufficient for me to understand what was going on, so after delving into it more I think I have a way of explaining it that will make sense for people who struggled like I did to understand.
inversedBy and mappedBy are used by the INTERNAL DOCTRINE engine to reduce the number of SQL queries it has t...
How to check if AlarmManager already has an alarm set?
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Show dialog from fragment?
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Unfortunately this approach is a bit more verbose than the classic managed dialogs approach of previous Android revisions, but it is now the preferred method. You can avoid referencing the Activity entirely by using the putFragment and getFragment methods of Fra...
Why is Java's SimpleDateFormat not thread-safe? [duplicate]
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How safe is it to store sessions with Redis?
... hard-disk. You can go through http://redis.io/topics/persistence to learn more, but at a high level, here are your options -
If you cannot afford losing any sessions, set appendfsync always in your configuration file. With this, Redis guarantees that any write operations are saved to the disk. T...
Android and setting width and height programmatically in dp units
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Why is processing a sorted array slower than an unsorted array?
...rted behaving the way I predicted: the sorted version was a little faster. Moreover, the unsorted version became twice as fast! So the numbers with struct are 2s unsorted vs. 1.9s sorted.
– dasblinkenlight
Dec 24 '12 at 21:31
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