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How does virtual inheritance solve the “diamond” (multiple inheritance) ambiguity?
...pe D would have 2 vtable pointers (you can see them in the first diagram), one for B and one for C who virtually inherit A. D's object size is increased because it stores 2 pointers now; however there is only one A now.
So B::A and C::A are the same and so there can be no ambiguous calls from D....
Close iOS Keyboard by touching anywhere using Swift
...ing Objective-C but I have no idea how to do that using Swift ? Does anyone know?
40 Answers
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Do sessions really violate RESTfulness?
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First, let's define some terms:
RESTful:
One can characterise applications conforming to the REST constraints
described in this section as "RESTful".[15] If a service violates any
of the required constraints, it cannot be considered RESTful.
according to wikip...
Make XAMPP/Apache serve file outside of htdocs [closed]
...ions on the old hosts file (right click > properties), and copy the new one into the directory over the old one (or rename the old one) if you are using Vista and have trouble).
Restart Apache.
Now you can access that directory by browsing to http://transitcalculator.localhost/.
Make an Alia...
Safely override C++ virtual functions
... didn't accidentally declare a new function, instead of overriding the old one.
9 Answers
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How to initialize std::vector from C-style array?
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If it's one element past the end, it should be okay (just as v.end() is an iterator pointing one past the end with vector in a similar case). If you do get an assertion, then something is off elsewhere.
– Pavel ...
Get last field using awk substr
...mber of fields of the current record, printing $NF means printing the last one.
So given a file like this:
/home/parent/child1/child2/child3/filename
/home/parent/child1/child2/filename
/home/parent/child1/filename
This would be the output:
$ awk -F"/" '{print $NF}' file
filename
filename
filen...
How to keep a Python script output window open?
...u have to modify the script, and have to remember removing it when you're done. Specially annoying when testing other people's scripts. For Python3, use input().
Use an editor that pauses for you. Some editors prepared for python will automatically pause for you after execution. Other editors allow...
File Upload using AngularJS
....com/twilson63/ngUpload
https://github.com/uploadcare/angular-uploadcare
One of these should fit your project, or may give you some insight into how to code it yourself.
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What are five things you hate about your favorite language? [closed]
...le variables on that line, and the exception message doesn't tell me which one is null.
– Zarkonnen
Oct 24 '09 at 10:09
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