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Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification

... Here's what reliably works for me on macOS. Make sure to replace example.com and 443 with the actual hostname and port you're trying to connect to, and give a custom alias. The first command downloads the provided certificate from t...
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Getting attributes of Enum's value

... This should do what you need. var enumType = typeof(FunkyAttributesEnum); var memberInfos = enumType.GetMember(FunkyAttributesEnum.NameWithoutSpaces1.ToString()); var enumValueMemberInfo = memberInfos.FirstOrDefault(m => m.DeclaringType...
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What is a monad?

Having briefly looked at Haskell recently, what would be a brief, succinct, practical explanation as to what a monad essentially is? ...
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How does __proto__ differ from constructor.prototype?

... Agree with that, except for the last one thing: what is function Empty() {} you refer to being equal to Function.prototype, etc?, what is the code you used in chrome console? – drodsou Jul 28 '12 at 18:32 ...
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Convert Iterable to Stream using Java 8 JDK

...sults in better APIs across the entire ecosystem. This was a tradeoff of "what's best for XYZ code" vs "what's best for all Java code." – Brian Goetz Aug 24 '16 at 15:03 2 ...
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How can I copy data from one column to another in the same table?

...mnA. Like other answer says - don't forget the WHERE clause to update only what's needed. – Carl di Ortus Feb 9 '18 at 8:45 5 ...
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Does Python optimize tail recursion?

... @jwg So... What? You have to write a language before you can comment on poor design decisions? Hardly seems logical or practical. I assume from your comment that you have no opinion about any features (or lack thereof) in any language e...
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Get keys from HashMap in Java

... What's the point of a Map with a single key? Create a class with a key field and a value field. – JB Nizet May 5 '12 at 14:41 ...
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Displaying the build date

... I've changed my tone about this somewhat, I'd still be very careful when digging into the acutal PE header. But as far as I can tell, this PE stuff is a lot more reliable than using the versioning numbers, besides I wan't to assign the version numbers seperate ...
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No @XmlRootElement generated by JAXB

... To tie together what others have already stated or hinted at, the rules by which JAXB XJC decides whether or not to put the @XmlRootElement annotation on a generated class are non trivial (see this article). @XmlRootElement exists because t...