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How to throw std::exceptions with variable messages?

...atter & operator << (const Type & value) { stream_ << value; return *this; } std::string str() const { return stream_.str(); } operator std::string () const { return stream_.str(); } enum ConvertToString { to_str };...
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Programmatically Request Access to Contacts

... // First time access has been granted, add the contact [self _addContactToAddressBook]; } else { // User denied access // Display an alert telling user the contact could not be added } }); } else if (ABAddressBookGetAuthorizationStatus() == kABAu...
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How do I search for an object by its ObjectId in the mongo console?

...est.find() // no criteria { "_id" : ObjectId("4ecc05e55dd98a436ddcc47c"), "x" : 1 } > db.test.find({"_id" : ObjectId("4ecc05e55dd98a436ddcc47c")}) // explicit { "_id" : ObjectId("4ecc05e55dd98a436ddcc47c"), "x" : 1 } > db.test.find(ObjectId...
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How to include() all PHP files from a directory?

...files in the current directory. It would be possible to iterate through get_include_path(), but this get tedious quickly. – nalply Nov 18 '11 at 11:13 20 ...
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How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar

...s for this example NSFetchedResultsController *fetchedResultsController_; NSFetchedResultsController *searchFetchedResultsController_; NSManagedObjectContext *managedObjectContext_; // The saved state of the search UI if a memory warning removed the view. NSString *savedS...
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Test for existence of nested JavaScript object key

... Update Looks like lodash has added _.get for all your nested property getting needs. _.get(countries, 'greece.sparta.playwright') https://lodash.com/docs#get Previous answer lodash users may enjoy lodash.contrib which has a couple methods that mitigate ...
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Why does sys.exit() not exit when called inside a thread in Python?

...from the thread? Apart from the method Deestan described you can call os._exit (notice the underscore). Before using it make sure that you understand that it does no cleanups (like calling __del__ or similar). share ...
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Specifying rails version to use when creating a new application

...option to create a new application using an older version of Rails. rails _2.1.0_ new myapp share | improve this answer | follow | ...
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UIRefreshControl without UITableViewController

...wController, just add the refresh control beneath the table view like so: [_tableView insertSubview:_refreshControl atIndex:0];. Tested with both iOS 7 and 8 ;) – ptitvinou Oct 24 '14 at 21:32 ...
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How to get datetime in JavaScript?

... function pad_2(number) { return (number < 10 ? '0' : '') + number; } function hours(date) { var hours = date.getHours(); if(hours > 12) return hours - 12; // Substract 12 hours when 13:00 and more return h...