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C++ convert hex string to signed integer

...>> x; // output it as a signed type std::cout << static_cast<int>(x) << std::endl; } In the new C++11 standard, there are a few new utility functions which you can make use of! specifically, there is a family of "string to number" functions (http://en.cppreference.c...
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What's the scope of a variable initialized in an if statement?

...ked only at runtime -- that is, when you get to the print x statement. If __name__ didn't equal "__main__" then you would get an exception: NameError: name 'x' is not defined. share | improve this ...
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How to export collection to CSV in MongoDB?

How do you export all the records in a MongoDB collection to a .csv file? 11 Answers ...
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✔ Checkmark selected row in UITableViewCell

... Update Swift 4 func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) { tableView.cellForRow(at: indexPath)?.accessoryType = .checkmark } func tableView(_ tableView: UITableView, didDeselectRowAt indexPath: IndexPat...
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How to list the tables in a SQLite database file that was opened with ATTACH?

....schema tablename Print the entire table: SELECT * FROM tablename; List all of the available SQLite prompt commands: .help share | improve this answer | follow ...
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Insert HTML with React Variable Statements (JSX)

... return ( <div className="content" dangerouslySetInnerHTML={{__html: thisIsMyCopy}}></div> ); } share | improve this answer | follow ...
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Rotation methods deprecated, equivalent of 'didRotateFromInterfaceOrientation'?

... new viewWillTransitionToSize method which has been introduced in iOS 8 (all other rotation methods have been deprecated). I'd like to know what the equivalent of didRotateFromInterfaceOrientation is now as there are a number of clean up tasks we need to perform and I can't see a block that we c...
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How to use gradle zip in local system without downloading when using gradle-wrapper

...es a main point of the wrapper, which is that Gradle is downloaded and installed automatically for all build users. If you prefer to use a local installation, put it on your PATH and invoke gradle rather than gradlew. – Peter Niederwieser Apr 7 '14 at 6:59 ...
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How to generate an entity-relationship (ER) diagram using Oracle SQL Developer

... is exported. To export in a vector format, use To PDF File, instead. This allows for simplified editing using Inkscape (or other vector image editor). These instructions may work for SQL Developer 3.2.09.23 to 4.1.3.20. sh...
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Why use 'virtual' for class properties in Entity Framework model definitions?

... It allows the Entity Framework to create a proxy around the virtual property so that the property can support lazy loading and more efficient change tracking. See What effect(s) can the virtual keyword have in Entity Framework 4...