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Java 8 Lambda function that throws exception?
...handling an exception...");
// Or ...
throw new RuntimeException(e);
}
}
void acceptThrows(T elem) throws Exception;
}
Then, for example, if you have a list:
final List<String> list = Arrays.asList("A", "B", "C");
If you want to consume it (eg. wi...
What are major differences between C# and Java?
...are completely different between the two; Java generics are just a compile-time "trick" (but a useful one at that). In C# and .NET generics are maintained at execution time too, and work for value types as well as reference types, keeping the appropriate efficiency (e.g. a List<byte> as a byte...
What is a plain English explanation of “Big O” notation?
...ales with n-squared, this is O(n2) or quadratic complexity. This is a good time to introduce another important concept:
We only care about the most significant portion of complexity.
The astute may have realized that we could express the number of operations as: n2 + 2n. But as you saw from our exa...
MySQL Creating tables with Foreign Keys giving errno: 150
...EIGN_KEY_CHECKS = 0; during an import/alteration that was malformed at one time or another. Big help, thanks.
– oucil
Apr 7 '19 at 15:51
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Laravel Eloquent ORM Transactions
...d;
$question->description = $description;
$question->time_post = date('Y-m-d H:i:s');
if(Input::has('expiredtime'))
$question->expired_time = Input::get('expiredtime');
$questionCategory->category_id = $category;
$questionCategory->...
Remove duplicates from a List in C#
...HashSet is great in most circumstances. But if you have an object like DateTime, it compares by reference and not by value, so you will still end up with duplicates.
– Jason McKindly
Dec 9 '15 at 20:03
...
Script Tag - async & defer
...nly the <script> tag, the total length of page load is longer by the time it takes to download the script file.
– arni
Sep 13 '19 at 22:28
...
How can I use interface as a C# generic type constraint?
...thing that couldn't be done without it, save for the generation of compile-time squawks when attempts are made to do things that could otherwise fail at runtime.
– supercat
Apr 23 '17 at 20:58
...
How can I get seconds since epoch in Javascript?
...0;
Or, for a less hacky version:
var d = new Date();
var seconds = d.getTime() / 1000;
Don't forget to Math.floor() or Math.round() to round to nearest whole number or you might get a very odd decimal that you don't want:
var d = new Date();
var seconds = Math.round(d.getTime() / 1000);
...
Why must a lambda expression be cast when supplied as a plain Delegate parameter
...
Nine tenths of the time people get this because they are trying to marshal onto the UI thread. Here's the lazy way:
static void UI(Action action)
{
System.Windows.Threading.Dispatcher.CurrentDispatcher.BeginInvoke(action);
}
Now that it...