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Why do I get “unresolved external symbol” errors when using templates? [duplicate]
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@jbx I'm saying that for things like basic_string<T> you're only ever going to be using it with char or wchar_t so if putting all the implementation in the header is a concern, instantiating it in the cpp is an option. The code is yours to command, not vice-ver...
Greenlet Vs. Threads
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Greenlets provide concurrency but not parallelism. Concurrency is when code can run independently of other code. Parallelism is the execution of concurrent code simultaneously. Parallelism is particularly useful when there's a lot of work to be done in userspace, an...
change text of button and disable button in iOS
... states
extension UIButton {
public func setAllStatesTitle(_ newTitle: String){
self.setTitle(newTitle, for: .normal)
self.setTitle(newTitle, for: .selected)
self.setTitle(newTitle, for: .disabled)
}
}
and use:
yourBtn.setAllStatesTitle("btn title")
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Read-only and non-computed variable properties in Swift
...g in Objective-C. I have readonly properties, and they cannot be individually changed. However, using a specific method, the properties are changed in a logical way.
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How to set environment variables in Jenkins?
...ajorVersion" | python -c 'import sys,re,os; print("VERSION_NUMBER="+re.findall(r"[\d+\.]+", sys.stdin.read())[0]+os.environ["BUILD_NUMBER"])'
– kenny_k
Jun 19 '15 at 6:52
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What are Scala context and view bounds?
...r.
While a view bound can be used with simple types (for example, A <% String), a context bound requires a parameterized type, such as Ordered[A] above, but unlike String.
A context bound describes an implicit value, instead of view bound's implicit conversion. It is used to declare that for s...
How to improve Netbeans performance?
...e or on the command line.
Put the values in the netbeans_default_options string. Example :
netbeans_default_options="-J-client -J-Xss2m -J-Xms32m -J-XX:PermSize=32m -J-Dapple.laf.useScreenMenuBar=true -J-Dapple.awt.graphics.UseQuartz=true -J-Dsun.java2d.noddraw=true -J-Dsun.java2d.dpiaware=true ...
What are the advantages of NumPy over regular Python lists?
... Python objects, at least 4 bytes per pointer plus 16 bytes for even the smallest Python object (4 for type pointer, 4 for reference count, 4 for value -- and the memory allocators rounds up to 16). A NumPy array is an array of uniform values -- single-precision numbers takes 4 bytes each, double-pr...
Simple conversion between java.util.Date and XMLGregorianCalendar
...hal(Object dt) throws Exception {
return new DateTime((Date) dt).toString("YYYY-MM-dd");
}
@Override
public Object unmarshal(Object s) throws Exception {
return DatatypeConverter.parseDate((String) s).getTime();
}
}
In the xsd, I have followed the excellent r...
TypeError: 'module' object is not callable
...>
This is what the error message means:
It says module object is not callable, because your code is calling a module object. A module object is the type of thing you get when you import a module. What you were trying to do is to call a class object within the module object that happens to have ...