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How to find gaps in sequential numbering in mysql?
...roblem with this, is that it doesn't "report" a possible initial gap. e.g. if the first 5 ids are missing (1 through 5) it doesn't show that... How could we show pissible gaps at the very begining?
– DiegoDD
Apr 12 '13 at 21:32
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How do you get a string from a MemoryStream?
If I am given a MemoryStream that I know has been populated with a String , how do I get a String back out?
11 Answers...
ASP.NET MVC HandleError
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Thanks for the extended information. I don't know what I did wrong, but I created a new project, ported all the existing views, controllers and models in it and now it works. Didn't know about the selective views though.
– Boris Callens
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Finding quaternion representing the rotation from one vector to another
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@sinisterchipmunk Actually, if v1 = v2, crossproduct would be (0,0,0) and w would be positive, which normalizes to identity. According to gamedev.net/topic/… it should work just fine also for v1 = -v2 and in their close vicinity.
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CoffeeScript, When to use fat arrow (=>) over arrow (->) and vice versa
... Of course it will, but that would fall under "doing it wrong". I have now edited my answer and explain just when a => would be needed on the static/instance methods of a class.
– Alex Wayne
Jan 23 '12 at 0:25
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How to use a custom comparison function in Python 3?
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What if I need both a key function AND a cmp function? I want to sort a list of dictionaries by a custom key in each dictionary. sorted_rows = sorted(rows, key=itemgetter('name'), cmp=locale.strxfrm) gives TypeError: 'cmp' is an i...
What is the Java equivalent of PHP var_dump?
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You can't use your IDE's debugger if, for example, you are programming your JSP code in Adobe Experience Manager's browser-based editor. :(
– Trevor
Sep 24 '14 at 22:16
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JavaScript: location.href to open in new window/tab?
... @alex I edited this answer to make the important bit readable. If you don't approve of my formatting, may I suggest shortening the URL so that the second parameter fits within the unscrolling region?
– Phrogz
Sep 20 '11 at 17:51
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Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
... not exist through JDBC. Unlike MySQL, PostgreSQL does not support create if not exists syntax. What is the best way to accomplish this?
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What is the difference between self-types and trait subclasses?
...and Scala", you'll get many links, including presentations and videos. For now, here is a link to another question.
Now, as to what is the difference between a self type and extending a trait, that is simple. If you say B extends A, then B is an A. When you use self-types, B requires an A. There ar...