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SQL left join vs multiple tables on FROM line?
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The old syntax, with just listing the tables, and using the WHERE clause to specify the join criteria, is being deprecated in most modern databases.
It's not just for show, the old syntax has the possibility of being ambiguous when you use b...
What are database normal forms and can you give examples? [closed]
...s) and tables (relations) to reduce data redundancy and improve data integrity. (as written on Wikipedia ).
4 Answers
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What is memory fragmentation?
...+ dynamic memory allocation. I've found some questions about how to deal with memory fragmentation, but can't find a direct question that deals with it itself. So:
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How does the vim “write with sudo” trick work?
Many of you have probably seen the command that allows you to write on a file that needs root permission, even when you forgot to open vim with sudo:
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How do you design object oriented projects? [closed]
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The steps that I use for initial design (getting to a class diagram), are:
Requirements gathering. Talk to the client and factor out the use cases to define what functionality the software should have.
Compose a narrative of the individual use cases...
Create ArrayList from array
I have an array that is initialized like:
38 Answers
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What does “connection reset by peer” mean?
...he meaning of the "connection reset by peer" error on a TCP connection? Is it a fatal error or just a notification or related to the network failure?
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What's the syntax for mod in java
...follow
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edited Jan 9 at 19:45
axel22
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Is there a Java reflection utility to do a deep comparison of two objects?
I'm trying to write unit tests for a variety of clone() operations inside a large project and I'm wondering if there is an existing class somewhere that is capable of taking two objects of the same type, doing a deep comparison, and saying if they're identical or not?
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Is Using .NET 4.0 Tuples in my C# Code a Poor Design Decision?
With the addition of the Tuple class in .net 4, I have been trying to decide if using them in my design is a bad choice or not. The way I see it, a Tuple can be a shortcut to writing a result class (I am sure there are other uses too).
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