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How is Generic Covariance & Contra-variance Implemented in C# 4.0?
...t I heard some news that C# 4.0 is announced to support Generic covariance and contra-variance. That is, List<string> can be assigned to List<object> . How could that be?
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Override and reset CSS style: auto or none don't work
...erty should be ignored. In that case, inline-table will still take effect, and as width do not apply to inline elements, that set of properties will not do anything.
The second set of properties will simply hide the table, as that's what display: none is for.
Try resetting it to table instead:
...
How to use base class's constructors and assignment operator in C++?
I have a class B with a set of constructors and an assignment operator.
5 Answers
5
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How to randomly sort (scramble) an array in Ruby?
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And if you want to implement it yourself: en.wikipedia.org/wiki/Fisher-Yates_shuffle
– Joey
Nov 29 '09 at 18:52
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How to alias a table in Laravel Eloquent queries (or using Query Builder)?
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Laravel supports aliases on tables and columns with AS. Try
$users = DB::table('really_long_table_name AS t')
->select('t.id AS uid')
->get();
Let's see it in action with an awesome tinker tool
$ php artisan tinker
[1] > Sch...
How do I ignore the initial load when watching model changes in AngularJS?
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set a flag just before the initial load,
var initializing = true
and then when the first $watch fires, do
$scope.$watch('fieldcontainer', function() {
if (initializing) {
$timeout(function() { initializing = false; });
} else {
// do whatever you were going to do
}
});
Th...
What is the best way to convert seconds into (Hour:Minutes:Seconds:Milliseconds) time?
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I did some benchmarks to see what's the fastest way and these are my results and conclusions. I ran each method 10M times and added a comment with the average time per run.
If your input milliseconds are not limited to one day (your result may be 143:59:59.999), these are the...
Start may not be called on a promise-style task. exception is coming
I am creating a simple wpf desktop application. UI have just a button and code in .cs file like.
3 Answers
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Partly JSON unmarshal into a map in Go
My websocket server will receive and unmarshal JSON data. This data will always be wrapped in an object with key/value pairs. The key-string will act as value identifier, telling the Go server what kind of value it is. By knowing what type of value, I can then proceed to JSON unmarshal the value int...
Convert form data to JavaScript object with jQuery
...se serializeArray is already written, is unit tested in multiple browsers, and could theoretically be improved in later versions of jQuery. The less code you write that has to access inconsistent things like DOM elements directly, the more stable your code will be.
– Tobias Coh...