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JPA or JDBC, how are they different?

I am learning Java EE and I downloaded the eclipse with glassfish for the same. I saw some examples and also read the Oracle docs to know all about Java EE 5. Connecting to a database was very simple. I opened a dynamic web project, created a session EJB , I used EntityManager and with the get meth...
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What are “sugar”, “desugar” terms in context of Java 8?

I hear about 'sugaring' and 'desugaring' more often in Java 8, what does these terms mean ? are they conceptual or syntactical. ...
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ASP.NET MVC Razor render without encoding

... Since ASP.NET MVC 3, you can use: @Html.Raw(myString) share | improve this answer | follow | ...
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How do you redirect to a page using the POST verb?

When you call RedirectToAction within a controller, it automatically redirects using an HTTP GET. How do I explicitly tell it to use an HTTP POST? ...
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Shading a kernel density plot between two points.

... With the polygon() function, see its help page and I believe we had similar questions here too. You need to find the index of the quantile values to get the actual (x,y) pairs. Edit: Here you go: x1 <- min(which(dens$x >= q75)) x2 <- max(which(dens$x < q95)) with(dens, polyg...
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How does git store files?

I just started learning git and to do so I started reading the Git Community Book , and in this book they say that SVN and CVS store the difference between files and that git stores a snapshot of all the files. ...
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Center/Set Zoom of Map to cover all visible Markers?

I am setting multiple markers on my map and I can set statically the zoom levels and the center but what I want is, to cover all the markers and zoom as much as possible having all markets visible ...
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Difference between std::result_of and decltype

I have some trouble understanding the need for std::result_of in C++0x. If I understood correctly, result_of is used to obtain the resulting type of invoking a function object with certain types of parameters. For example: ...
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Selecting data frame rows based on partial string match in a column

I want to select rows from a data frame based on partial match of a string in a column, e.g. column 'x' contains the string "hsa". Using sqldf - if it had a like syntax - I would do something like: ...
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What are conventions for filenames in Go?

I could find the conventions for naming packages in Go: no underscore between words, everything lowercase. 4 Answers ...