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In which scenario do I use a particular STL container?

... STL containers in my book on C++, specifically the section on the STL and its containers. Now I do understand each and every one of them have their own specific properties, and I'm close to memorizing all of them... But what I do not yet grasp is in which scenario each of them is used. ...
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R cannot be resolved - Android error

...the new Android SDK. I wanted to create a simple application to test drive it. 108 Answers ...
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Visual Studio Copy Project

I would like to make a copy of my project. I would rather not start doing it from scratch by adding files and references, etc. Please note that I don't mean copy for deployment. Just plain copy. ...
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How to use onSavedInstanceState example please

I'm confused when it comes down to saving a state. So I know that onSaveInstanceState(Bundle) is called when the activity is about to be destroyed. But how do you store your information in it and bring it back to its original state in onCreate(Bundle savedInstanceState) ? I don't understand how t...
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ERROR 1396 (HY000): Operation CREATE USER failed for 'jack'@'localhost'

...follow | edited Nov 27 '19 at 1:54 Josh Correia 1,70711 gold badge1111 silver badges2222 bronze badges ...
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Isn't it silly that a tiny favicon requires yet another HTTP request? How can I put the favicon into

... that these browsers still can't: Safari iOS Safari Firefox for Android With the above in mind, we can now use SVG Favicons with a reasonable degree of confidence. 2) Present the SVG as a Data URI The main objective here is to avoid HTTP Requests. As other solutions on this page have mentioned, a...
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What is the best way to ensure only one instance of a Bash script is running? [duplicate]

...st way to ensure only one instance of a given script is running - assuming it's Bash on Linux? 14 Answers ...
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C++ STL Vectors: Get iterator from index?

... stl vector by index[], but now I need to copy just a chunk of the vector. It looks like vector.insert(pos, first, last) is the function I want... except I only have first and last as ints. Is there any nice way I can get an iterator to these values? ...
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What is NODE_ENV and how to use it in Express?

...pular by the express web server framework. When a node application is run, it can check the value of the environment variable and do different things based on the value. NODE_ENV specifically is used (by convention) to state whether a particular environment is a production or a development environme...
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Center a DIV horizontally and vertically [duplicate]

... After trying a lot of things I find a way that works. I share it here if it is useful to anyone. You can see it here working: http://jsbin.com/iquviq/30/edit .content { width: 200px; height: 600px; background-color: blue; position: absolute; /*Can also be...