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Sticky and NON-Sticky sessions

I want to know the difference between sticky- and non-sticky sessions. What I understood after reading from internet: 2 Ans...
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C/C++ Struct vs Class

... In C++, structs and classes are pretty much the same; the only difference is that where access modifiers (for member variables, methods, and base classes) in classes default to private, access modifiers in structs default to public. However...
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What is base 64 encoding used for?

I've heard people talking about "base 64 encoding" here and there. What is it used for? 18 Answers ...
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to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/images and wh

...f this question: I know HOW to create complicated views with both subviews and using drawRect. I'm trying to fully understand the when's and why's to use one over the other. ...
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How to compare DateTime in C#?

... Microsoft has also implemented the operators '<' and '>'. So you use these to compare two dates. if (date1 < DateTime.Now) Console.WriteLine("Less than the current time!"); share ...
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Detect if device is iOS

... Detecting iOS With iOS 13 iPad both User agent and platform strings are changed and differentiating between iPad and MacOS seems possible, so all answers below needs to take that into account now. This might be the shortest alternative that also covers iOS 13: function iO...
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Indent multiple lines quickly in vi

It should be trivial, and it might even be in the help, but I can't figure out how to navigate it. How do I indent multiple lines quickly in vi? ...
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How to install APK from PC?

I want to install an APK from PC to Android device. And because of user's Android and generally technical skills, I need to do it as automatically (silently) as possible. So how do I send an APK from PC to Android and start install there? ...
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What does the function then() mean in JavaScript?

...guration. Then based on that, we fetch information about the current user, and then finally get the list of items for the current user. Each xhrGET call takes a callback function that is executed when the server responds. Now of course the more levels of nesting we have, the harder the code is to r...
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In Bash, how to add “Are you sure [Y/n]” to any command or alias?

... These are more compact and versatile forms of Hamish's answer. They handle any mixture of upper and lower case letters: read -r -p "Are you sure? [y/N] " response case "$response" in [yY][eE][sS]|[yY]) do_something ;; *) ...