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Default text which won't be shown in drop-down list
...orked perfectly fine for me so I made my research in order to avoid any Js and CSS, but just sticking with HTML.
Adding a value of selected to the item we want to appear as a header forces it to show in the first place as a placeholder.
Something like:
<option selected disabled>Choose here&l...
What does “default” mean after a class' function declaration?
...e that function automatically.
With the introduction of move constructors and move assignment operators, the rules for when automatic versions of constructors, destructors and assignment operators are generated has become quite complex. Using = default and = delete makes things easier as you don't ...
How do you convert an entire directory with ffmpeg?
How do you convert an entire directory/folder with ffmpeg via command line or with a batch script?
24 Answers
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java.sql.SQLException: - ORA-01000: maximum open cursors exceeded
...e database than cursors on the DB. One case is where you have a connection and thread pool larger than the number of cursors on the database.
You have many developers or applications connected to the same DB instance (which will probably include many schemas) and together you are using too many conn...
Find in Files: Search all code in Team Foundation Server
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Team Foundation Server 2015 (on-premises) and Visual Studio Team Services (cloud version) include built-in support for searching across all your code and work items.
You can do simple string searches like foo, boolean operations like foo OR bar or more complex langu...
What is the difference between '&' and ',' in Java generics?
...you can restrict the type argument (in this case is T ) to extend a class and/or more interfaces with the 'and' operator ( & ) like this:
...
How do I remove documents using Node.js Mongoose?
....5.3 - remove() is now deprecated. Use deleteOne(), deleteMany() or findOneAndDelete() instead.
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What is a dependency property?
...cy properties are properties of classes that derive from DependencyObject, and they're special in that rather than simply using a backing field to store their value, they use some helper methods on DependencyObject.
The nicest thing about them is that they have all the plumbing for data binding bui...
Prevent form redirect OR refresh on submit?
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Just handle the form submission on the submit event, and return false:
$('#contactForm').submit(function () {
sendContactForm();
return false;
});
You don't need any more the onclick event on the submit button:
<input clas...
Foreign Key naming scheme
I'm just getting started working with foreign keys for the first time and I'm wondering if there's a standard naming scheme to use for them?
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