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Best exception for an invalid generic type argument
...lass might
implement only a subset of the methods
from the base class, and throw
NotSupportedException for the
unsupported methods.
Of course, there's a way in which NotSupportedException is obviously good enough, especially given its common-sense meaning. Having said that, I'm not sure if...
Static implicit operator
...this code:
XmlBase myBase = new XmlBase();
XElement myElement = myBase;
And the compiler won't complain! At runtime, the conversion operator will be executed - passing myBase in as the argument, and returning a valid XElement as the result.
It's a way for you as a developer to tell the compiler:...
Recursively list files in Java
...e Files.find, otherwise use Files.walk, mostly because there are overloads and it's more convenient.
TESTS: As requested I've provided a performance comparison of many of the answers. Check out the Github project which contains results and a test case.
...
UINavigationBar Hide back Button Text
...ace builder, you can select the navigation item of the previous controller and change the Back Button string to what you'd like the back button to appear as. If you want it blank, for example, just put a space.
You can also change it with this line of code:
[self.navigationItem.backBarButtonItem s...
How to match any non white space character except a particular one?
...
When is ^ interpreted as negation and when as line beginning ? In that respect, why this wont match a line starting with number of white spaces $0~/\s*^\s/
– Alexander Cska
Mar 26 '19 at 21:43
...
Dependency injection with Jersey 2.0
...h without any previous Jersey 1.x knowledge, I'm having a hard time understanding how to setup dependency injection in my Jersey 2.0 project.
...
MySQL: Can't create table (errno: 150)
I am trying to import a .sql file and its failing on creating tables.
34 Answers
34
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Changing the child element's CSS when the parent is hovered
...use CSS?
.parent:hover .child, .parent.hover .child { display: block; }
and then add JS for IE6 (inside a conditional comment for instance) which doesn't support :hover properly:
jQuery('.parent').hover(function () {
jQuery(this).addClass('hover');
}, function () {
jQuery(this).removeCla...
Are there any side effects of returning from inside a using() statement?
...rer this way. Don't worry, Dispose will still be called "on the way out" - and only after the return value is fully evaluated. If an exception is thrown at any point (including evaluating the return value) Dispose will still be called too.
While you certainly could take the longer route, it's two e...
format date with moment.js
...'MM/DD/YYYY');
Also note that case does matter. For Month, Day of Month, and Year, the format should be uppercase.
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