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What is the difference between graph search and tree search?

...e Search open <- [] next <- start while next is not goal { add all successors of next to open next <- select one node from open remove next from open } return next Depending on how you implement select from open, you obtain different variants of search algorithms, like dept...
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“Conversion to Dalvik format failed with error 1” on external JAR

... Go to Project » Properties » Java Build Path » Libraries and remove all except the "Android X.Y" (in my case Android 1.5). click OK. Go to Project » Clean » Clean projects selected below » select your project and click OK. That should work. It is also possible that you have a JAR file loc...
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Advantages of stateless programming?

I've recently been learning about functional programming (specifically Haskell, but I've gone through tutorials on Lisp and Erlang as well). While I found the concepts very enlightening, I still don't see the practical side of the "no side effects" concept. What are the practical advantages of it? ...
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How to access route, post, get etc. parameters in Zend Framework 2

...gt;fromFiles('paramname'); // From file being uploaded   Default values All of these methods also support default values that will be returned if no parameter with the given name is found. Example: $orderBy = $this->params()->fromQuery('orderby', 'name'); When visiting http://example.com/?...
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Converting Select results into Insert script - SQL Server [closed]

...ore money data. Those data type can store more decimal places than are normally displayed or in the scripts generated by SSMS Toolpack – bernd_k Dec 26 '10 at 18:12 13 ...
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How can I perform a reverse string search in Excel without using VBA?

...eplaced | (that was the final space) Right(A1,LEN(A1) - ... )) – Returns all characters after that | EDIT: to account for the case where the source text contains no spaces, add the following to the beginning of the formula: =IF(ISERROR(FIND(" ",A1)),A1, ... ) making the entire formula now: =I...
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What is the __del__ method, How to call it?

...is used, probably not like that: obj1.del() . So, my questions is how to call the __del__ method? 5 Answers ...
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Support for “border-radius” in IE

...es! When IE9 is released in Jan 2011. Let's say you want an even 15px on all four sides: .myclass { border-style: solid; border-width: 2px; -moz-border-radius: 15px; -webkit-border-radius: 15px; border-radius: 15px; } IE9 will use the default border-radius, so just make sure you include th...
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How to get nth jQuery element

...epends on the desired behavior. $('select').find('option').eq(n) will basically ignore the grouping, and get all options as a whole. If you want it per group, something like this is necessary: $('select').find('optgroup').each(function() { $(this).find('option').eq(n)...; }) – ...
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What's the difference between a catalog and a schema in a relational database?

...l point of view : The catalog is the place where--among other things--all of the various schemas (external, conceptual, internal) and all of the corresponding mappings (external/conceptual, conceptual/internal) are kept. In other words, the catalog contains detailed information (sometimes...