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C++ equivalent of Java's toString?

...n case your operator<< wants to print out internals of class A and really needs access to its private and protected members you could also declare it as a friend function: class A { private: friend std::ostream& operator<<(std::ostream&, const A&); int j; }; std::ostrea...
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IOCTL Linux device driver [closed]

...l, which means "input-output control" is a kind of device-specific system call. There are only a few system calls in Linux (300-400), which are not enough to express all the unique functions devices may have. So a driver can define an ioctl which allows a userspace application to send it orders. How...
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WaitAll vs WhenAll

What is the difference between Task.WaitAll() and Task.WhenAll() from the Async CTP ? Can you provide some sample code to illustrate the different use cases ? ...
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mysql -> insert into tbl (select from another table) and some default values [duplicate]

... If you want to insert all the columns then insert into def select * from abc; here the number of columns in def should be equal to abc. if you want to insert the subsets of columns then insert into def (col1,col2, col3 ) select scol1,scol2,...
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Understanding what 'type' keyword does in Scala

I am new to Scala and I could not really find a lot about the type keyword. I am trying to understand what the following expression may mean: ...
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Overlaying histograms with ggplot2 in R

...istogram(alpha = 0.2) is telling ggplot to construct one histogram using all the values in f0 and then color the bars of this single histogram according to the variable utt. What you want instead is to create three separate histograms, with alpha blending so that they are visible through each oth...
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Emulating a do-while loop in Bash

...ing different, only that true is not a built-in in Bash. It's a program usually found in /bin. – Fleshgrinder Feb 12 at 22:07 1 ...
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How to remove an item from an array in AngularJS scope?

... Your issue is not really with Angular, but with Array methods. The proper way to remove a particularly item from an array is with Array.splice. Also, when using ng-repeat, you have access to the special $index property, which is the current inde...
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How to read a file into a variable in shell?

... Ok but it's bash, not sh; it may not fit all cases. – moala Apr 15 '13 at 11:25 18 ...
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Is .NET Remoting really deprecated?

... Calling it a legacy technology is a more accurate description. http://msdn.microsoft.com/en-us/library/72x4h507%28VS.85%29.aspx This topic is specific to a legacy technology that is retained for backward compatibility...