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Mythical man month 10 lines per developer day - how close on large projects? [closed]

..."lines spent". - Edsger Dijkstra Some times you have contributed more by removing code than adding share answered Sep 16 '10 at 9:22 ...
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Pointer vs. Reference

... Explain what you mean by arithmetic. A new user may not understand that you want to adjust what the pointer is pointing at. – Martin York Sep 22 '08 at 16:30 ...
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What are the differences between struct and class in C++?

...(11.2): Member of a class defined with the keyword class are private by default. Members of a class defined with the keywords struct or union are public by default. Additional difference: the keyword class can be used to declare template parameters, while the struct keyword cannot be s...
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Database development mistakes made by application developers [closed]

What are common database development mistakes made by application developers? 40 Answers ...
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Grouped LIMIT in PostgreSQL: show the first N rows for each group?

I need to take the first N rows for each group, ordered by custom column. 5 Answers 5 ...
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How to sort an array of objects by multiple fields?

...ngs during the comparison. I have not done any profiling though. var sort_by; (function() { // utility functions var default_cmp = function(a, b) { if (a == b) return 0; return a < b ? -1 : 1; }, getCmpFunc = function(primer, reverse) { ...
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Why is a ConcurrentModificationException thrown and how to debug it

I am using a Collection (a HashMap used indirectly by the JPA, it so happens), but apparently randomly the code throws a ConcurrentModificationException . What is causing it and how do I fix this problem? By using some synchronization, perhaps? ...
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How do you find the disk size of a Postgres / PostgreSQL table and its indexes

...Oracle and looking for a way to find the table and index size in terms of bytes/MB/GB/etc , or even better the size for all tables. In Oracle I had a nasty long query that looked at user_lobs and user_segments to give back an answer. ...
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What is meant by “managed” vs “unmanaged” resources in .NET?

What is meant by the terms managed resource and unmanaged resource in .NET? How do they come into the picture? 5 Answers ...
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Why use a prime number in hashCode?

... Because you want the number you are multiplying by and the number of buckets you are inserting into to have orthogonal prime factorizations. Suppose there are 8 buckets to insert into. If the number you are using to multiply by is some multiple of 8, then the bucket inser...