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How to fix SSL certificate error when running Npm on Windows?
When I try to install a package with npm, it doesn't work. After a long wait, I eventually get an error 'tunneling socket could not be established, sutatusCode=403'.
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How ListView's recycling mechanism works
... was great because I had no idea about how ListView and GridView optimized itself with recycling Views. So with his advice I was able to change how I added Views to my GridView. Problem is now I have something that does not make sense. This is my getView from my BaseAdapter :
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The cast to value type 'Int32' failed because the materialized value is null
...nulls in different places. ...DefaultIfEmpty(0).Sum(0) can help in this (quite simple) case, where there might be no elements and sql's SUM returns null whereas c# expect 0.
A more general approach is to use ?? which will be translated to COALESCE whenever there is a risk that the generated SQL ret...
Can two different strings generate the same MD5 hash code?
...check whether a certain binary asset is already in our application. But is it possible that two different binary assets generate the same MD5 hash. So is it possible that two different strings generate the same MD5 hash?
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Why charset names are not constants?
..., but on top of that you have to remember exact names of your charsets. Is it "utf8" ? Or "utf-8" ? Or maybe "UTF-8" ? When searching internet for code samples you will see all of the above. Why not just make them named constants and use Charset.UTF8 ?
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Why can't C# interfaces contain fields?
...mean that every implementation has to separately declare Year ? Wouldn't it be nicer to simply define this in the interface?
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Add vertical whitespace using Twitter Bootstrap?
What's the best way to add vertical whitespace using Twitter's Bootstrap?
13 Answers
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What is the runtime performance cost of a Docker container?
...port mapping (e.g., docker run -p 8080:8080), then you can expect a minor hit in latency, as shown below. However, you can now use the host network stack (e.g., docker run --net=host) when launching a Docker container, which will perform identically to the Native column (as shown in the Redis latenc...
Can't pickle when using multiprocessing Pool.map()
...function to divide out work simultaneously. When I use the following code, it works fine:
12 Answers
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Excel: last character/string match in a string
...tions? I.e. not the last character/string of the string, but the position of a character/string's last occurrence in a string. Search and find both work left-to-right so I can't think how to apply without lengthy recursive algorithm. And this solution now seems obsolete.
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