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Print number of keys in Redis
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DBSIZE returns the number of keys and it's easier to parse.
Downside: if a key has expired it may still count.
http://redis.io/commands/dbsize
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Finding three elements in an array whose sum is closest to a given number
...A 2 , ..., A n , including negatives and positives, and another integer S. Now we need to find three different integers in the array, whose sum is closest to the given integer S. If there exists more than one solution, any of them is ok.
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What is @RenderSection in asp.net MVC
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If you have a _Layout.cshtml view like this
<html>
<body>
@RenderBody()
@RenderSection("scripts", required: false)
</body>
</html>
then you can have an index.cshtml content v...
How does tuple comparison work in Python?
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The page now linked from this answer does not seem to contain the text quoted.
– plugwash
Mar 10 at 16:09
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JavaScript post request like a form submit
I'm trying to direct a browser to a different page. If I wanted a GET request, I might say
31 Answers
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How to get memory available or used in C#
... Math.Round(proc.PrivateMemorySize64 / (1024*1024), 2);
proc.Dispose();
Now you could use the memory variable which is converted to Megabyte.
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What exactly does an #if 0 … #endif block do?
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Not only does it not get executed, it doesn't even get compiled.
#if is a preprocessor command, which gets evaluated before the actual compilation step. The code inside that block doesn't appear in the compiled binary.
It's often used for temporarily removing segments of code with the inte...
Difference between socket and websocket?
...kets in their implementation. Websockets are based on a standard protocol (now in final call, but not yet final) that defines a connection "handshake" and message "frame." The two sides go through the handshake procedure to mutually accept a connection and then use the standard message format ("fram...
What is the difference (if any) between Html.Partial(view, model) and Html.RenderPartial(view,model)
Other than the type it returns and the fact that you call it differently of course
2 Answers
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How do I replace multiple spaces with a single space in C#?
... say "anytime you have a problem you think you need Regex to solve, well...now you've got TWO problems" <wink>
– William Madonna Jr.
Apr 6 '18 at 12:53
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