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Why should I not include cpp files and instead use a header?

... To the best of my knowledge, the C++ standard knows no difference between header files and source files. As far as the language is concerned, any text file with legal code is the same as any other. However, although not illegal, including sou...
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Java Date vs Calendar

... as java.util.Date, java.util.Calendar, and java.text.SimpleDateFormat are now legacy, supplanted by the java.time classes built into Java 8 and later. See Tutorial by Oracle. – Basil Bourque Oct 19 '18 at 19:51 ...
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How to set the context path of a web application in Tomcat 7.0

I know that I can rename my webapp (or it's WAR file) to ROOT but this is a terrible way to do it, IMHO. Now I checked out the tomcat doc & it says ...
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SQLite UPSERT / UPDATE OR INSERT

... For now, no this release in Ubuntu repository yet. – bl79 Jun 9 '18 at 20:21 ...
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Retrieve the commit log for a specific line in a file?

...:22:22 -0800 160) "$browser_path" $NEWTAB "$@" & And you want to know the history of what is now line 155. Then, use git log. Here, -L 155,155:git-web--browse.sh means "trace the evolution of lines 155 to 155 in the file named git-web--browse.sh". $ git log --pretty=short -u -L 155,155:gi...
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Is there a performance difference between a for loop and a for-each loop?

... Yes, but that counter is now visible outside of the loop. Sure, it's a simple fix but so is for-each! – Indolering Nov 4 '12 at 5:19 ...
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How can I format a nullable DateTime with ToString()?

...alue property, and not on the dt2 object itself. DateTime? dt2 = DateTime.Now; Console.WriteLine(dt2.HasValue ? dt2.Value.ToString("yyyy-MM-dd hh:mm:ss") : "[N/A]"); share | improve this answer ...
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Iterate over object attributes in python

...ppens if I just harmlessly add an attribute to the class, a name, say, and now all of a sudden it gets included. – Julian Jul 24 '12 at 19:16 3 ...
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How do you default a new class to public when creating it in Visual Studio?

...and up: See the answer by @JochemKempe, as it's much easier to change this now, just by editing a single file (no unzipping or rezipping). UPDATE: Don't forget to open your preferred text editor with admin privileges before you do any edit. ...
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Origin null is not allowed by Access-Control-Allow-Origin

... I'm not being able to add this parameter under Windows 8..., anybody who knows how to do it?... – Morty May 22 '14 at 20:32 ...