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NSNotificationCenter addObserver in Swift
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It's the same as the Objective-C API, but uses Swift's syntax.
Swift 4.2 & Swift 5:
NotificationCenter.default.addObserver(
self,
selector: #selector(self.batteryLevelChanged),
name: UIDevice.batteryLevelDid...
How to handle dependency injection in a WPF/MVVM application
I am starting a new desktop application and I want to build it using MVVM and WPF.
9 Answers
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_csv.Error: field larger than field limit (131072)
I have a script reading in a csv file with very huge fields:
8 Answers
8
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How can we generate getters and setters in Visual Studio?
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Rather than using Ctrl + K, X you can also just type prop and then hit Tab twice.
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How to send an email with Gmail as provider using Python?
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edited Apr 13 '12 at 20:05
answered Apr 13 '12 at 19:57
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Getting a better understanding of callback functions in JavaScript
...erstand passing in a function to another function as a callback and having it execute, but I'm not understanding the best implementation to do that. I'm looking for a very basic example, like this:
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How do I list all tables in a schema in Oracle SQL?
...| INSERT | UPDATE | DELETE) ANY TABLE
or the big-hammer, the DBA role.
With any of those, you can select:
SELECT DISTINCT OWNER, OBJECT_NAME
FROM DBA_OBJECTS
WHERE OBJECT_TYPE = 'TABLE'
AND OWNER = '[some other schema]'
Without those system privileges, you can only see tables you have b...
How to var_dump variables in twig templates?
... know what is available? Is there a "list all defined variables" functionality in TWIG? Is there a way to dump a variable?
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How to validate an email address in JavaScript
...ail address:</p>
<input id='email'>
<button type='submit' id='validate'>Validate!</button>
</form>
<h2 id='result'></h2>
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How can I cast int to enum?
...e foo.ToString().Contains(",") check is necessary for enumerations marked with an [Flags] attribute
if (!Enum.IsDefined(typeof(YourEnum), foo) && !foo.ToString().Contains(","))
{
throw new InvalidOperationException($"{yourString} is not an underlying value of the YourEnum enumeration.")
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