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Is an entity body allowed for an HTTP DELETE request?
...uest URI should completely identify the resource to delete. However, is it allowable to add extra meta-data as part of the entity body of the request?
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Calculate the execution time of a method
...ch as JITing) causes varying execution times to occur. Therefore, realistically, for accurate measurements, the OP should be using a performance profiler.
– Matthew Layton
Dec 24 '12 at 9:56
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How do I use the new computeIfAbsent function?
...onacci(0)
memo.put(1,1L); //fibonacci(1)
}
And for the inductive step all we have to do is redefine our Fibonacci function as follows:
public static long fibonacci(int x) {
return memo.computeIfAbsent(x, n -> fibonacci(n-2) + fibonacci(n-1));
}
As you can see, the method computeIfAbsen...
CSS filter: make color image with transparency white
...jP.gif" class="filter" />
</p>
First, brightness(0) makes all image black, except transparent parts, which remain transparent.
Then, invert(1) makes the black parts white.
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Preserve HTML font-size when iPhone orientation changes from portrait to landscape
...-webkit-text-size-adjust: 100%; /* Prevent font scaling in landscape while allowing user zoom */
}
The use of this property is described further in the Safari Web Content Guide.
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Why does Eclipse Java Package Explorer show question mark on some classes?
...lipse Helios Java Package Explorer, I see the Java class icons display a small question mark to the right of the 'J', something like [J?]. This icon is shown on each class within one package in my project, but I cannot find an explanation for this in the documentation.
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how to draw directed graphs using networkx in python?
...f edge not in red_edges]
# Need to create a layout when doing
# separate calls to draw nodes and edges
pos = nx.spring_layout(G)
nx.draw_networkx_nodes(G, pos, cmap=plt.get_cmap('jet'),
node_color = values, node_size = 500)
nx.draw_networkx_labels(G, pos)
nx.draw_networkx_ed...
In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date?
... While TIMESTAMP looks similar when you fetch it from the database, it's really a just a front for a unix timestamp. Its valid range goes from 1970 to 2038. The difference here, aside from the various built-in functions within the database engine, is storage space. Because DATETIME stores every digi...
python .replace() regex [duplicate]
...waway script - both the regex approach and the string search approach have all sorts of inputs they'll fail on. For anything in production, I would want to be doing some sort of more sophisticated parsing than either regex or simple string search can accomplish.
– Julian
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How can I get the root domain URI in ASP.NET?
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HttpContext.Current.Request.Url can get you all the info on the URL. And can break down the url into its fragments.
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