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Algorithm to compare two images
...object. There are probably several ways you could extract properties/data from this region of interest and use them to search your data set.
If you have more than 2 regions of interest, you can measure the distances between them. Take this simplified example:
(source: per2000.eu)
We have 3 c...
Understanding events and event handlers in C#
...to replace myFactory.GetInstance() into myOfflineFakeFactory.GetInstance() from one central place (aka factory method pattern).
Factory method pattern
So, if you have a TheOtherClass class and it needs to use the myFactory.GetInstance(), this is how the code will look like without delegates (you'll ...
Crop MP3 to first 30 seconds
...de. It is lightning fast.
NOTE: the command was updated based on comment from Oben Sonne
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CMake: Project structure with unit tests
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For questions 1 & 2, I would recommend making a library from your non-test files excluding main.cpp (in this case just src/sqr.cpp and src/sqr.h), and then you can avoid listing (and more importantly re-compiling) all the sources twice.
For question 3, these commands add a test c...
What good technology podcasts are out there?
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All from General Software are great! And I can see, that 43 Folders are broadcastin again!
– Tomasz Tybulewicz
Mar 13 '09 at 10:44
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How Scalable is SQLite? [closed]
...ccasionally getting a database locked error when trying to execute queries from the shell in sqlite. That said, I am running another site from SQLite just fine. The difference is that the site is static (i.e. I'm the only one that can change the database) and so it works just fine for concurrent rea...
SQL keys, MUL vs PRI vs UNI
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DESCRIBE <table>;
This is acutally a shortcut for:
SHOW COLUMNS FROM <table>;
In any case, there are three possible values for the "Key" attribute:
PRI
UNI
MUL
The meaning of PRI and UNI are quite clear:
PRI => primary key
UNI => unique key
The third possibility, MUL...
How to read an external properties file in Maven
...re ways to use resource filtering to read a properties file and set values from that, but I want a way in my pom.xml like:
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Better way to revert to a previous SVN revision of a file?
... is 854. Then, I'd want to get an older revision - the version of the file from few revision earlier, say revision 851.
Copy would work:
svn copy -r 851 svn+ssh://<repository URL>/l3toks.dtx ./l3toks.dtx
.. however, I can't be bothered grepping for the repo URL :)
Update seemingly might...
How to use web-fonts legally? [closed]
...ith their copyright notices removed.
If you want to make sure, buy a font from one of the large foundries like fonts.com or myfonts.com. Make sure you read their license. For example, if you buy a font, you are almost always free to use it in print products, on graphics on your web site, etc., but ...