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Default value of function parameter
...om a different .cpp file, you will be able to see the difference.
Specifically, suppose:
lib.h
int Add(int a, int b);
lib.cpp
int Add(int a, int b = 3) {
...
}
test.cpp
#include "lib.h"
int main() {
Add(4);
}
The compilation of test.cpp will not see the default parameter declarati...
What's the difference between disabled=“disabled” and readonly=“readonly” for HTML form input fields
...or disabled form elements are not passed to the processor method. The W3C calls this a successful element.(This works similar to
form check boxes that are not checked.)
Some browsers may override or provide default styling for disabled form elements. (Gray out or emboss text) Internet Explorer
...
How do I reflect over the members of dynamic object?
...
In the case of ExpandoObject, the ExpandoObject class actually implements IDictionary<string, object> for its properties, so the solution is as trivial as casting:
IDictionary<string, object> propertyValues = (IDictionary<string, object>)s;
Note that this will n...
Can you configure log4net in code instead of using a config file?
...nfo;
hierarchy.Configured = true;
}
}
}
And then all I had to do was replace the code where I called the XML file with the following call:
//XmlConfigurator.Configure(new FileInfo("app.config")); // Not needed anymore
Logger.Setup();
1(this answer was edited into the q...
What does “1 line adds whitespace errors” mean when applying a patch?
...tches from one branch to another. However, every time I make any change at all, I get the following message during git apply :
...
RequestDispatcher.forward() vs HttpServletResponse.sendRedirect()
...or further processing.
In the case of forward, the web container handles all processing internally and the client or browser is not involved.
When forward is called on the requestDispatcherobject, we pass the request and response objects, so our old request object is present on the new resource ...
How to overload std::swap()
...ns are seen, the more specific one (this one) will be chosen when swap is called without qualification.
– Dave Abrahams
Apr 17 '11 at 14:24
5
...
Possible heap pollution via varargs parameter
...hrow a CCE
B b = listOfBs.get(0);
@SafeVarargs does not prevent this at all. However, there are methods which provably will not pollute the heap, the compiler just can't prove it. Previously, callers of such APIs would get annoying warnings that were completely pointless but had to be suppressed ...
Why doesn't Java allow generic subclasses of Throwable?
...
They could just disallow using two catch blocks with the same type together. So that using SomeExc<Integer> alone would be legal, only using SomeExc<Integer> and SomeExc<String> together would be illegal. That would make no pr...
Difference between git pull and git pull --rebase
...t saying git pull --rebase is the same as git fetch and git rebase is basically how it is, but it's not exactly semantically equivalent. There are some differences, some of which are explained here. gitolite.com/git-pull--rebase
– w0rp
Aug 20 '15 at 9:47
...