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Algorithm to compare two images
...eep in mind that any worthwhile comparison method will essentially work by converting the images into a different form -- a form which makes it easier to pick similar features out. Usually, this stuff doesn't make for very light reading ...
One of the simplest examples I can think of is simply u...
Reset AutoIncrement in SQL Server after Delete
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Issue the following command to reseed mytable to start at 1:
DBCC CHECKIDENT (mytable, RESEED, 0)
Read about it in the Books on Line (BOL, SQL help). Also be careful that you don't have records higher than the seed you are setting.
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.NET XML serialization gotchas? [closed]
...t want the BOM. Notice the clear, obvious difference between Encoding.UTF8 and UTF8Encoding.
The three extra BOM Bytes at the beginning are (0xEFBBBF) or (239 187 191).
Reference: http://chrislaco.com/blog/troubleshooting-common-problems-with-the-xmlserializer/
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Runnable with a parameter?
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Well it's been almost 9 years since I originally posted this and to be honest, Java has made a couple improvements since then. I'll leave my original answer below, but there's no need for people to do what is in it. 9 years ago, during code review I would have questioned why they did i...
How to split data into training/testing sets using sample function
I've just started using R and I'm not sure how to incorporate my dataset with the following sample code:
23 Answers
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Kill process by name?
I'm trying to kill a process (specifically iChat). On the command line, I use these commands:
15 Answers
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Location of sqlite database on the device
...base programmatically with the default way of extending SQLiteOpenHelper and overriding onCreate() . This way the db gets created on the fly when needed.
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How do I perform an IF…THEN in an SQL SELECT?
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The CASE statement is the closest to IF in SQL and is supported on all versions of SQL Server.
SELECT CAST(
CASE
WHEN Obsolete = 'N' or InStock = 'Y'
THEN 1
ELSE 0
END AS bit) as Saleable,...
Visual Studio debugger - Displaying integer values in Hex
I'm using Visual Studio 2008 and I have just noticed that the debugger is displaying integer values as Hex when I hover over variables and also in the immediate window. I guess I must have hit a shortcut key accidently or something.
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Jackson - Deserialize using generic class
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You need to create a TypeReference object for each generic type you use and use that for deserialization. For example -
mapper.readValue(jsonString, new TypeReference<Data<String>>() {});
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