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Oracle SQL, concatenate multiple columns + add text
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select 'i like' || type_column || ' with' ect....
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How to get a group of toggle buttons to act like radio buttons in WPF?
...ike toggle buttons, but also as radio buttons where only one button can be selected / pressed down at a current time. It also need to have a state where none of the buttons are selected / pressed down.
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Code First: Independent associations vs. Foreign key associations?
...r = new Order { Id = 1, Customer = db.Customers.Find(1) }; Or you can use Select method to load the customer from db context. This works with independent association.
– tala9999
Jan 28 '16 at 15:05
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Use ASP.NET MVC validation with jquery ajax?
... where modelState[x].Errors.Count > 0
select new
{
key = x,
errors = modelState[x].Errors.
Select(y => y.ErrorMessage...
configure: error: C compiler cannot create executables
...'ve installed Xcode 4.3.x, you need to launch it, go into its preferences, select the Downloads tab, and click "Install" next to the Command Line Tools package.
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How do I dump an object's fields to the console?
...", "reverse", "reverse!", "rindex", "rjust", "rstrip", "rstrip!", "scan", "select", "send", "singleton_methods", "size", "slice", "slice!", "sort", "sort_by", "split", "squeeze", "squeeze!", "strip", "strip!", "sub", "sub!", "succ", "succ!", "sum", "swapcase", "swapcase!", "taguri", "taguri=", "tain...
Are class names in CSS selectors case sensitive?
I keep reading everywhere that CSS is not case sensitive, but I have this selector
4 Answers
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Method overloading in Objective-C?
... @RaheelSadiq It isn't overloading because the method names (In ObjC: 'selectors') are different. Being different, neither one is considered 'overloaded'. If writeToFile:from: were defined twice, with only the parameter types being different, then that would be overloading. As stated though, t...
What is the maximum possible length of a .NET string?
... program may be over 2GB and the string type uses UTF-16 (2 bytes for each character), the best you could do is 1,073,741,823, but you're not likely to ever be able to allocate that on a 32-bit machine.
This is one of those situations where "If you have to ask, you're probably doing something wrong...
Nullable Foreign Key bad practice?
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Using NULL would be a good way to clean up incomplete orders:
SELECT * FROM `orders`
WHERE `started_time` < (UNIX_TIMESTAMP() + 900) AND `customer_id` IS NULL
The above would show orders older than 15 minutes without a related customer ID.
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