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Config Error: This configuration section cannot be used at this path

... "Application Development Features" Check (enable) the features. I checked all but CGI. btw, I'm using Windows 7. Many comments over the years have certified this works all the way up to Windows 10 and Server 2019, as well. ...
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What is the “Execute Around” idiom?

... Basically it's the pattern where you write a method to do things which are always required, e.g. resource allocation and clean-up, and make the caller pass in "what we want to do with the resource". For example: public interface ...
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Best way to build a Plugin system with Java

... First you need an interface that all plugins need to implement, e.g. public interface Plugin { public void load(PluginConfiguration pluginConfiguration); public void run(); public void unload(); public JComponent getConfigurationPage(); } ...
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How to exit an if clause

... Ideally you can achieve both, but there are times when you must trade good code for good performance. Those times are rare, especially when you are considering using Python. In other words: don't worry so much about function c...
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No identities were available - administrator request

...one) In your project's build settings update your code signing identities (all of them) to the new one if there is one. (The old one was probably expired which is one of the biggest causes for the error message you saw) Verify that your bundle ID is correct (CaSe SeNsEtIvE) Back to XCode Organizer -...
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What techniques can be used to define a class in JavaScript, and what are their trade-offs?

... this.name = name; this.gender = gender; } // Add methods like this. All Person objects will be able to invoke this Person.prototype.speak = function(){ alert("Howdy, my name is" + this.name); }; // Instantiate new objects with 'new' var person = new Person("Bob", "M"); // Invoke methods...
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Static constant string (class member)

...files const string A::RECTANGLE = "rectangle"; The syntax you were originally trying to use (initializer inside class definition) is only allowed with integral and enum types. Starting from C++17 you have another option, which is quite similar to your original declaration: inline variables // ...
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What is Bootstrap?

... It is an HTML, CSS, and JavaScript open-source framework (initially created by Twitter) that you can use as a basis for creating web sites or web applications. More information and links to download Getting started Examples Themes Bootply - Bootstrap Editor and Builder Update The o...
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Should flux stores, or actions (or both) touch external services?

Should the stores maintain their own state and have the ability to call network and data storage services in doing so ...in which case the actions are just dumb message passers, ...
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Is it possible to program iPhone in C++

I'm all for language diversity, but Objective C is insane. So I'm curious: is it possible to code iPhone apps with C++ while using the Cocoa API, etc? ...