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How do I use prepared statements in SQlite in Android?
...t = db.compileStatement("INSERT INTO Country (code) VALUES (?)");
stmt.bindString(1, "US");
stmt.executeInsert();
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How can I override the OnBeforeUnload dialog and replace it with my own?
...saved changes!';
}
Here's a reference to this from Microsoft:
When a string is assigned to the returnValue property of window.event, a dialog box appears that gives users the option to stay on the current page and retain the string that was assigned to it. The default statement that appears in...
How to make an introduction page with Doxygen
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@samvv I did not add any extra to the markdown document. I just used the INPUT = README.md then INPUT += src (to follow @Lester's suggestion) and the USE_MDFILE_AS_MAINPAGE = README.md and it worked like a charm. Version: $ doxygen --version returns ...
How can I quickly delete a line in VIM starting at the cursor position?
...0p.
Learn more about the black hole register and registers in general for extra VIM fun!
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How to express a One-To-Many relationship in Django
...ionship on the PhoneNumber model and not on the Dude/Business models. When extra terrestrials come to Earth, and we want to add an Alien model, we need to modify the PhoneNumber (assuming the ETs have phone numbers) instead of simply adding a "phone_numbers" field to the Alien model.
Introduce the...
String concatenation: concat() vs “+” operator
Assuming String a and b:
11 Answers
11
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How do I update all my CPAN modules to their latest versions?
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why using such extra tools while there's a built-in solution (see second answer)?
– eav
Nov 8 '12 at 8:37
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Red black tree over avl tree
...ack tree.
AVL trees store the balance factor at each node. This takes O(N) extra space. However, if we know that the keys that will be inserted in the tree will always be greater than zero, we can use the sign bit of the keys to store the colour information of a red-black tree. Thus, in such cases r...
What is the instanceof operator in JavaScript?
...an example taken directly from Mozilla's developer site:
var color1 = new String("green");
color1 instanceof String; // returns true
var color2 = "coral"; //no type specified
color2 instanceof String; // returns false (color2 is not a String object)
One thing worth mentioning is instanceof evalua...
Django REST Framework: adding additional field to ModelSerializer
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So, based on this answer, if you want to pass say 12 extra fields to your serializer, you need to define 12 specific methods for each field that just returns foo.field_custom ?
– AlxVallejo
Apr 13 '18 at 19:13
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