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What is the point of a private pure virtual function?
... virtual void SetState( int var, int val ) {/*some implementation*/}
};
Now let's assume you want to create a derived class and you need to provide a new implementation only for the method, that takes two ints as arguments.
class MyTurbochargedV8 : public Engine
{
public:
// To prevent SetSt...
Adding a y-axis label to secondary y-axis in matplotlib
...) pandas.plot returns a different axes which we use to set the labels.
I know this was answered long ago, but I think this approach worths it.
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Why are function pointers and data pointers incompatible in C/C++?
... pointer to objects.
The C99 Rationale says:
6.3.2.3 Pointers
C has now been implemented on a wide range of architectures. While some of these
architectures feature uniform pointers which are the size of some integer type, maximally
portable code cannot assume any necessary correspondence...
“Inner exception” (with traceback) in Python?
...o the original exception's error message, but keep other details intact.
Known Exception Type
try:
sock_common = xmlrpclib.ServerProxy(rpc_url+'/common')
self.user_id = sock_common.login(self.dbname, username, self.pwd)
except IOError:
_, ex, traceback = sys.exc_info()
message = "C...
Why is JsonRequestBehavior needed?
... a malicious user can gain access to
the JSON payload through a process known as JSON Hijacking. You do not
want to return sensitive information using JSON in a GET request. For
more details, see Phil's post at
http://haacked.com/archive/2009/06/24/json-hijacking.aspx/ or this SO post.
...
Removing list of vms in vagrant cache
...ne is correct to not be aware of deleted Vagrant directories as Vagrant's knowledge of the VM it managed in that directory was removed when its files managing the VM were. It's the hypervisor's problem now.
– bschlueter
Aug 9 '16 at 20:25
...
Chrome Extension Message passing: response not sent
...
@funforums FYI, this behavior is now documented in the messaging documentation (the difference is here: codereview.chromium.org/1874133002/patch/80001/90002).
– Rob W
Jun 16 '16 at 22:56
...
Logging errors in ASP.NET MVC
...der
.AppendLine("----------")
.AppendLine(DateTime.Now.ToString())
.AppendFormat("Source:\t{0}", filterContext.Exception.Source)
.AppendLine()
.AppendFormat("Target:\t{0}", filterContext.Exception.TargetSite)
.AppendLine()
...
Detect if stdin is a terminal or pipe?
...at test.cc | ./test /dev/tty OK NO S_ISFIFO
echo ./test | at now /dev/tty FAIL NO S_ISREG
The results are from a Ubuntu Linux 11.04 system using following program:
#include <stdio.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <termios.h>
#i...
Jar Mismatch Found 2 versions of android-support-v4.jar in the dependency list
...
@CommonsWare: how to know which one is the latest?
– Mehul Joisar
Apr 23 '13 at 10:08
2
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