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Why are arrays covariant but generics are invariant?
...ward compatibility. And yes, my answer tries to answer the question in the title, why generics are invariant.
– Katona
Sep 6 '13 at 22:01
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In WPF, what are the differences between the x:Name and Name attributes?
The title says it all. Sometimes it seems that the Name and x:Name attributes are interchangeable.
15 Answers
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What is the fastest substring search algorithm?
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@DavidWallace: What? It has the paper titles and the authors. Even if the link goes dead you can find the papers. What are you expecting me to do, write pseudocode for the algorithm? What makes you think I understand the algorithm?
– user541...
How do you clear a slice in Go?
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Based on the title "How do you clear a slice in Go?" this is by far and away the safer answer and should be the accepted one. A perfect answer would be the combination of the originally accepted answer and this one so people can decide fo...
When serving JavaScript files, is it better to use the application/javascript or application/x-javas
The whole question fits in the title. And to add some context: I'm not asking what is the best according to what the specs are saying, but rather what works the best given the mix of browsers deployed nowadays.
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Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...个实例：Window_Prototype = {x=0, y=0, width=100, height=100}
MyWin = {title="Hello"}
setmetatable(MyWin, {__index = Window_Prototype})复制代码
于是：MyWin中就可以访问x, y, width, height的东东了。（注：当表要索引一个值时如table[key], Lua会首先在table...
Overlaying histograms with ggplot2 in R
...1) +
labs(x=feature, y = "Density")
plt + guides(fill=guide_legend(title=label_column))
}
Usage:
Simply pass your data frame into the above functions along with desired arguments:
plot_histogram(iris, 'Sepal.Width')
plot_multi_histogram(iris, 'Sepal.Width', 'Species')
The extra p...
How can I specify a [DllImport] path at runtime?
...
private delegate int MessageBoxDelegate(
IntPtr hwnd, string title, string message, int buttons);
/// <summary>
/// This is the dynamic P/Invoke alternative
/// </summary>
static private MessageBoxDelegate MessageBox;
/// <summary>
/// Examp...
What is a Proxy in Doctrine 2?
... a waste of memory. That's why you don't fetch unnecessary data.
SELECT a.title, a.createdAt
FROM Entity\Article a
ORDER BY a.createdAt DESC
LIMIT 25
$isFirst = true;
foreach ($articles as $article) {
echo $article->getTitle();
echo $article->getCreatedAt();
if ($isFirst) {
...
IE10 renders in IE7 mode. How to force Standards mode?
...cument mode to IE8 Standards. So, keep your IE=edge meta tag close the <title> tag. Not always a simple a fix for Wordpress sites when it's not hard-coded in the header template file. Not sure if IE11 cares where the meta tag is, but hope this proves helpful to someone.
–...