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Calling Objective-C method from C++ member function?
...lly speaking they can be mixed. If you want to keep them separate, you can set up a standard C wrapper function that gives the Objective-C object a usable C-style interface from non-Objective-C code (pick better names for your files, I have picked these names for verbosity):
MyObject-C-Interface.h
...
Difference between malloc and calloc?
...system with virtual memory.)
Some compilers even can optimize malloc + memset(0) into calloc for you, but you should use calloc explicitly if you want the memory to read as 0.
If you aren't going to ever read memory before writing it, use malloc so it can (potentially) give you dirty memory from i...
Convert XLS to CSV on command line
...lsToCsv SourcePath.xls Destination.csv"
Wscript.Quit
End If
Dim oExcel
Set oExcel = CreateObject("Excel.Application")
Dim oBook
Set oBook = oExcel.Workbooks.Open(Wscript.Arguments.Item(0))
oBook.SaveAs WScript.Arguments.Item(1), 6
oBook.Close False
oExcel.Quit
WScript.Echo "Done"
Then from a c...
Purpose of Activator.CreateInstance with example?
...ancyObject like this one below:
class MyFancyObject
{
public int A { get;set;}
}
It lets you turn:
String ClassName = "MyFancyObject";
Into
MyFancyObject obj;
Using
obj = (MyFancyObject)Activator.CreateInstance("MyAssembly", ClassName))
and can then do stuff like:
obj.A = 100;
That'...
How to get the Android device's primary e-mail address
How do you get the Android's primary e-mail address (or a list of e-mail addresses)?
12 Answers
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Why is a C++ Vector called a Vector?
...
Mathematical definition of a vector is a member of the set Sn, which is an ordered sequence of values in a specific set (S). This is what a C++ vector stores.
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“message failed to fetch from registry” while trying to install any module
...enable nodesource's repo and install:
curl -sL https://deb.nodesource.com/setup | sudo bash -
sudo apt-get install -y nodejs
Note - the previous advice was to use Chris Lea's repo, he's now migrated that to nodesource, see:
https://chrislea.com/2014/07/09/joining-forces-nodesource/
https://node...
Determine the type of an object?
...bject is of any of those types:
>>> isinstance([], (tuple, list, set))
True
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How do I preserve line breaks when using jsoup to convert html to plain text?
I have the following code:
15 Answers
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