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How to add an auto-incrementing primary key to an existing table, in PostgreSQL?
... community wiki
6 revs, 2 users 85%leonbloy
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What is the Scala annotation to ensure a tail recursive function is optimized?
...From the "Tail calls, @tailrec and trampolines" blog post:
In Scala 2.8, you will also be able to use the new @tailrec annotation to get information about which methods are optimised.
This annotation lets you mark specific methods that you hope the compiler will optimise.
You will then ge...
How do you use the Immediate Window in Visual Studio?
... b;
}
Then in the Immediate Window you can type the following:
? GetSum(2, 4)
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As you can seen, this works really well for static methods. However, if the method is non-static then you need to interact with a reference to the object the method belongs to.
For example, let’s say this is wha...
How can I start an interactive console for Perl?
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23 Answers
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With Mercurial, how can I “compress” a series of changesets into one before pushing?
...s feature by tweaking something in the code. I make the change and commit. 20 minutes later, I find there's a bug in this new feature, so I fix it and commit that too.
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How to find out which view is focused?
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matiash
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answered Mar 18 '11 at 12:55
KaranKaran
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Search for all occurrences of a string in a mysql database [duplicate]
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224
A simple solution would be doing something like this:
mysqldump -u myuser --no-create-info --...
How to log PostgreSQL queries?
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edited Nov 23 '18 at 13:23
automatix
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Recursive search and replace in text files on Mac and Linux
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247
OS X uses a mix of BSD and GNU tools, so best always check the documentation (although I had i...
Understanding typedefs for function pointers in C
... that prefers to invoke a function pointer as:
(*functionpointer)(arg1, arg2, ...);
Modern syntax uses just:
functionpointer(arg1, arg2, ...);
I can see why that works - I just prefer to know that I need to look for where the variable is initialized rather than for a function called functionpointe...