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Hibernate, @SequenceGenerator and allocationSize

...h the larger gap. So, when we use the SEQUENCE ID, the inserted id in the table will not match with the SEQUENCE number in DB. share | improve this answer | follow ...
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Conceptually, how does replay work in a game?

... shouldn't be done. I don't care if he uses the system API or a predefined table of random numbers. What I originally said was correct. Every function in his engine should produce the same result based on its inputs. Time should never be a factor. – Timothy Baldridge ...
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How to maintain a Unique List in Java?

...mathematical set abstraction. Note: Great care must be exercised if mutable objects are used as set elements. The behavior of a set is not specified if the value of an object is changed in a manner that affects equals comparisons while the object is an element in the set. A special case of this...
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Facebook Architecture [closed]

...nto PHP 5.3 frameworks and all the new benefits that PHP 5.3 brings to the table along with the SPL libraries and also think about your database too. You're most likely serving up content from a database, so check out MongoDB and other types of databases that are schema-less and document-oriented. T...
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What is DOCTYPE?

...s NOT defined by the DTD! For example, a doctype could define how the <table>-tag can look like - which attributes it accepts, and which values/valuetypes are accepted for each attribute. Think of it as a lexicon for your current webpage. Wikipedia has an informative page on the various Doct...
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R - Concatenate two dataframes?

...rbind but in this case you need to have the same number of columns in both tables, so try the following: b$b<-as.double(NA) #keeping numeric format is essential for further calculations new<-rbind(a,b) share ...
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Show or hide element in React

... whould be like in the tutorial here, where the search bar and the results table are siblings instead of putting Results inside Search: facebook.github.io/react/docs/thinking-in-react.html – Douglas Jul 2 '14 at 15:58 ...
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Compare two data.frames to find the rows in data.frame 1 that are not present in data.frame 2

...lly, setdiff(bigFrame, smallFrame) gets you the extra records in the first table. In the SQLverse this is called a For good descriptions of all join options and set subjects, this is one of the best summaries I've seen put together to date: http://www.vertabelo.com/blog/technical-articles/sq...
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How to set HTTP headers (for cache-control)?

...v attribute is an enumerated attribute" means it allows only values in the table in the spec. It even calls out caching in the later section ("other pragma directives"): > Pragma directives corresponding to headers that affect the HTTP processing model (e.g. caching) must not be registered, as th...
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How to easily map c++ enums to strings

... @jf. Yes, the important point was to build static data tables at compile time automatically. I would probably prefer just generating a dumb static array. – Martin Beckett Mar 5 '09 at 16:46 ...