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Combining C++ and C - how does #ifdef __cplusplus work?
...lessly trapped inside of extern "C" regions, but it isn't such a good idea from a cleanliness perspective.
Now, specifically regarding your numbered questions:
Regarding #1: __cplusplus will stay defined inside of extern "C" blocks. This doesn't matter, though, since the blocks should nest neatly...
Shell - How to find directory of some command?
... find files. It uses a database that's maintained by updatedb which is run from a cron job. Since locate searches a database rather than the whole filesystem it's much faster than find (which could be used as a last resort).
– Paused until further notice.
May 2...
Proper way to implement IXmlSerializable?
...nterface, you should
return a null reference (Nothing in
Visual Basic) from this method, and instead,
if specifying a custom schema is
required, apply the
XmlSchemaProviderAttribute to the
class.
For both read and write, the object element has already been written, so you don't need to...
What are Vertex Array Objects?
I am just starting to learn OpenGL today from this tutorial: http://openglbook.com/the-book/
I got to chapter 2, where I draw a triangle, and I understand everything except VAOs (is this acronym OK?). The tutorial has this code:
...
How to include (source) R script in other scripts
I've created a utility R script, util.R, which I want to use from other scripts in my project.
What is the proper way to ensure that the function this script defines are available to function in my other scripts?
...
Java compile speed vs Scala compile speed
...the work.
That said, compile times have already improved noticeably going from Scala 2.7 to Scala 2.8, and I expect the improvements to continue now that the dust has settled on 2.8. This page documents some of the ongoing efforts and ideas to improve the performance of the Scala compiler.
Martin ...
How do I make JavaScript beep?
...eight="0" id="sound1"
enablejavascript="true">
You would then call it from JavaScript code as such:
PlaySound("sound1");
This should do exactly what you want - you'll just need to find/create the beep sound yourself, which should be trivial.
...
Make .gitignore ignore everything except a few files
I understand that a .gitignore file cloaks specified files from Git's version
control. I have a project (LaTeX) that generates lots of extra files (.auth,
.dvi, .pdf, logs, etc) as it runs, but I don't want those to be tracked.
...
How to assign bean's property an Enum value in Spring config file?
...N" is that it also works if Spring can't infer the actual type of the enum from the property (e.g. the property's declared type is an interface).Adapted from araqnid's comment.
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Easier way to create circle div than using an image?
...7676d;
background-image: -webkit-gradient(linear, left top, left bottom, from(#e7676d), to(#b7070a)); /* Saf4+, Chrome */
background-image: -webkit-linear-gradient(top, #e7676d, #b7070a); /* Chrome 10+, Saf5.1+, iOS 5+ */
background-image: -moz-linear-gradient(top, #e7676d, #b7070a); /* FF3.6 ...