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Grouped LIMIT in PostgreSQL: show the first N rows for each group?
...QL version that introduced CTEs also introduced windowing functions. Hence my comment (I did see it's that old - and PG 8.3 did have neither)
– a_horse_with_no_name
Dec 7 '12 at 21:01
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Can git automatically switch between spaces and tabs?
I use tabs for indentation in my python programs, but I would like to collaborate (using git) with people who use spaces instead.
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How to find and return a duplicate value in array
...cate, and doesn't give you all the dups.
– Jaime Bellmyer
Jan 26 '14 at 22:57
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Why is there a difference in checking null against a value in VB.NET and C#?
...assumptions about usage; in this case the semantics of a NULL comparison.
My personal preference is for the VB.NET semantics, which in essence gives NULL the semantics "I don't know yet". Then the comparison of 5 to "I don't know yet". is naturally "I don't know yet"; ie NULL. This has the addition...
B-Tree vs Hash Table
In MySQL, an index type is a b-tree, and access an element in a b-tree is in logarithmic amortized time O(log(n)) .
5 Answ...
techniques for obscuring sensitive strings in C++
...ve information (a symmetric encryption key that I want to keep private) in my C++ application. The simple approach is to do this:
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Show an image preview before upload
In my HTML form I have input filed with type file for example :
5 Answers
5
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Is there any way in C# to override a class method with an extension method?
...one can let me know what it is actually called.
You might have guessed by my "pass-through" method names that I also toyed with the idea of passing delegates to them in the hopes that a single method or two could act as a pass-through for multiple methods with the same signature. Unfortunately it w...
What is an MvcHtmlString and when should I use it?
...le, I hate trying to remember the <link> tag syntax, so I've created my own extension method to make a <link> tag:
<Extension()> _
Public Function CssBlock(ByVal html As HtmlHelper, ByVal src As String, ByVal Optional ByVal htmlAttributes As Object = Nothing) As MvcHtmlString
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How to list branches that contain a given commit?
... HEAD problem... then you have a hard question of a preferred branch... In my previous example you could easily say that master is always preferred if it's in this list. From there it's less clear. You could try and read git branch from .gitmodules file: git config -f .gitmodules submodule.src/foo/s...