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How do I set the value property in AngularJS' ng-options?

.../select> Update With the updates on AngularJS, it is now possible to set the actual value for the value attribute of select element with track by expression. <select ng-options="obj.text for obj in array track by obj.value"> </select> How to remember this ugly stuff To all the ...
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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update

...rkaround) for atomic findOrCreate like operations. This is thanks to the $setOnInsert operator new to 2.4, which allows you to specify updates which should only happen when inserting documents. This, combined with the upsert option, means you can use findAndModify to achieve an atomic findOrCreate...
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What is the most efficient way to create HTML elements using jQuery?

...', 'size': '30' }).appendTo("body"); But the size attribute can't be set using this approach using jQuery-1.8.0 or later and here is an old bug report, look at this example using jQuery-1.7.2 which shows that size attribute is set to 30 using above example but using same approach we can't set ...
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How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar

...SFetchedResultsChangeInsert: [tableView insertSections:[NSIndexSet indexSetWithIndex:sectionIndex] withRowAnimation:UITableViewRowAnimationFade]; break; case NSFetchedResultsChangeDelete: [tableView deleteSections:[NSIndexSet indexSetWithIndex:sectionInde...
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How to debug external class library projects in visual studio?

...might need to go to the properties of a DLL, and ensure that Copy Local is set to True. Otherwise, Modules won't be able to find the .pdb for your reference. – Bryan Rayner Nov 25 '14 at 18:21 ...
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LINQ: When to use SingleOrDefault vs. FirstOrDefault() with filtering criteria

... If your result set returns 0 records: SingleOrDefault returns the default value for the type (e.g. default for int is 0) FirstOrDefault returns the default value for the type If you result set returns 1 record: SingleOrDefault returns...
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Private virtual method in C++

...): m_data (idata) {} public: int data() const { return m_data; } void set_data (int ndata) { m_data = ndata; cleanup(); } }; class Derived: public Base { private: void cleanup() override { // do other stuff Base::cleanup(); // nope, can't do it } public: Derived (int idata): base(ida...
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What is jQuery Unobtrusive Validation?

... each approach. jQuery Validation Simply use the following attributes: Set required if required Set type for proper formatting (email, etc.) Set other attributes such as size (min length, etc.) Here's the form... <form id="commentForm"> <label for="form-name">Name (required, at ...
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Laravel migration: unique key is too long, even if specified

... to do is edit your AppServiceProvider.php file and inside the boot method set a default string length: use Illuminate\Database\Schema\Builder; public function boot() { Builder::defaultStringLength(191); } share ...
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How to store date/time and timestamps in UTC time zone with JPA and Hibernate

...halcea if it's for Mysql, one need to tell MySql to use timezone by using useTimezone=true in the connection string. Then only setting property hibernate.jdbc.time_zone will work – TheCoder Oct 13 '18 at 19:08 ...