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Do you use NULL or 0 (zero) for pointers in C++?

... Here's Stroustrup's take on this: C++ Style and Technique FAQ In C++, the definition of NULL is 0, so there is only an aesthetic difference. I prefer to avoid macros, so I use 0. Another problem with NULL is that people sometimes mistakenly believe that it is differen...
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Why is @autoreleasepool still needed with ARC?

... ARC doesn't get rid of retains, releases and autoreleases, it just adds in the required ones for you. So there are still calls to retain, there are still calls to release, there are still calls to autorelease and there are still auto release pools. One of the other...
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AngularJS : Where to use promises?

...to be a complete answer to your question, but hopefully this will help you and others when you try to read the documentation on the $q service. It took me a while to understand it. Let's set aside AngularJS for a moment and just consider the Facebook API calls. Both the API calls use a callback m...
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Can two applications listen to the same port?

Can two applications on the same machine bind to the same port and IP address? Taking it a step further, can one app listen to requests coming from a certain IP and the other to another remote IP? I know I can have one application that starts off two threads (or forks) to have similar behavior, but...
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Landscape printing from HTML

I have a HTML report, which needs to be printed landscape because of the many columns. It there a way to do this, without the user having to change the document settings? ...
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Where to place $PATH variable assertions in zsh?

I love zsh , but I am not sure where to place my $PATH and other variable assertions? I find that they are scattered between the files .zshrc .zprofile .bashrc .bash_profile , and sometimes doubled. ...
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Perl build, unit testing, code coverage: A complete working example

...ackoverflow answers that I have found in regards to the Perl build process and unit testing and code coverage simply point me to CPAN for the documentation there. There's absolutely nothing wrong with pointing to CPAN modules because that's where the full documentation is supposed to reside. I've ...
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Is MATLAB OOP slow or am I doing something wrong?

...menting with MATLAB OOP , as a start I mimicked my C++'s Logger classes and I'm putting all my string helper functions in a String class, thinking it would be great to be able to do things like a + b , a == b , a.find( b ) instead of strcat( a b ) , strcmp( a, b ) , retrieve first element o...
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Create an Android Jar library for distribution

I know of Android Library projects, which allow you to create a shared-source project that can be pulled into Android Applications as needed. However, that requires that source be available. ...
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What's the difference between Thread start() and Runnable run()

...ing) thread. No thread creation. R1 r1 = new R1(); R2 r2 = new R2(); r1 and r2 are just two different objects of classes that implement the Runnable interface and thus implement the run() method. When you call r1.run() you are executing it in the current thread. Second example: Two separate thr...