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Scala equivalent of Java java.lang.Class Object
... Type System",
val c = new C
val clazz = c.getClass // method from java.lang.Object
val clazz2 = classOf[C] // Scala method: classOf[C] ~ C.class
val methods = clazz.getMethods // method from java.lang.Class<T>
The classOf[T] method returns the runtime represent...
boundingRectWithSize for NSAttributedString returning wrong size
...ue. So it may come out saying 141.3 as the height. You need use the result from ceilf(paragraphRect.size.height) so that it rounds up. I forget this all the time and wonder why my labels are still clipping.
– jamone
Jan 2 '14 at 15:56
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What does the comma operator , do?
...on and the evaluation of the RHS (see Shafik Yaghmour's answer for a quote from the C99 standard). This is an important property of the comma operator.
– Jonathan Leffler
Jun 20 '14 at 20:47
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How to get the primary IP address of the local machine on Linux and OS X? [closed]
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Use grep to filter IP address from ifconfig:
ifconfig | grep -Eo 'inet (addr:)?([0-9]*\.){3}[0-9]*' | grep -Eo '([0-9]*\.){3}[0-9]*' | grep -v '127.0.0.1'
Or with sed:
ifconfig | sed -En 's/127.0.0.1//;s/.*inet (addr:)?(([0-9]*\.){3}[0-9]*).*/\2/p'
I...
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...
Using C# to check if string contains a string in string array
...ains(s))) */
This checks if stringToCheck contains any one of substrings from stringArray. If you want to ensure that it contains all the substrings, change Any to All:
if(stringArray.All(stringToCheck.Contains))
share
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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:
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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.
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How do I base64 encode (decode) in C?
...f 256, since char is signed on most architectures, you are really indexing from -128 to 127. Any character with the high bit set will cause you to read outside the allocated memory. Forcing the data lookup to be an unsigned char clears that up. You still get garbage out for garbage in, but you won't...
Export and Import all MySQL databases at one time
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@HalilÖzgür from the mysqldump man page: "mysqldump does not dump the INFORMATION_SCHEMA or performance_schema database by default. To dump either of these, name it explicitly on the command line and also use the --skip-lock-tables optio...