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MySQL select one column DISTINCT, with corresponding other columns

...lts every time you would execute the query. But i would be sure whether anyone should use undocumented features in production environment. – Arunas Junevicius Jun 3 '13 at 14:54 ...
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SQL Server Profiler - How to filter trace to only display events from one database?

...filer 2000 is used with database residing in SQLServer 2000 - problem mentioned problem persists, but when SQL Profiler 2005 is used with SQLServer 2005 database, it works perfect! In Summary, the issue seems to be prevalent in SQLServer 2000 & rectified in SQLServer 2005. The solution for the...
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Passing a 2D array to a C++ function

... @Zack: You're right, there're only really two cases; one is a pointer-to-pointer and other being a single pointer to an integer array of size n i.e. int (*a) [10]. – legends2k Jul 10 '13 at 10:44 ...
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What is the difference between @Inject and @Autowired in Spring Framework? Which one to use under wh

I am going through some blogs on SpringSource and in one of the blogs, author is using @Inject and I suppose he can also use @Autowired . ...
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Can code that is valid in both C and C++ produce different behavior when compiled in each language?

...of character ('a') in C/C++ for an explanation of the difference. Another one from this article: #include <stdio.h> int sz = 80; int main(void) { struct sz { char c; }; int val = sizeof(sz); // sizeof(int) in C, // sizeof(struct sz) in C++ ...
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Multiple Indexes vs Multi-Column Indexes

...ctices, Part 1 Indexes in SQL Server 2005/2008 – Part 2 – Internals One thing to note, clustered indexes should have a unique key (an identity column I would recommend) as the first column. Basically it helps your data insert at the end of the index and not cause lots of disk IO and Page spl...
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Why is String immutable in Java?

...wo objects have same value (a="test", and b="test") and thus you need only one string object (for both a and b, these two will point to the same object). Class loading: String is used as arguments for class loading. If mutable, it could result in wrong class being loaded (because mutable objects cha...
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“Comparison method violates its general contract!”

Can someone explain me in simple terms, why does this code throw an exception, "Comparison method violates its general contract!", and how do I fix it? ...
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What's the best/easiest GUI Library for Ruby? [closed]

... where do you find it now whytheluckstiff is gone? – knoopx Dec 16 '09 at 15:31 2 ...
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What Java ORM do you prefer, and why? [closed]

...oo many to be managed efficiently and there are behaviors that could drive one crazy. On the other hand i have support for major databases and never have to worry about their differences. – marcolopes Mar 5 '11 at 13:03 ...