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FirstOrDefault: Default value other than null
As I understand it, in Linq the method FirstOrDefault() can return a Default value of something other than null. What I haven't worked out is what kind of things other than null can be returned by this (and similar) method when there are no items in the query result. Is there any particular wa...
What is the difference between 'E', 'T', and '?' for Java generics?
I come across Java code like this:
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Application auto build versioning
... github.com/user/repo/config.Version=1.0.0" \
main.go
Inspired by https://github.com/golang/go/wiki/GcToolchainTricks#including-build-information-in-the-executable
Also if you are using goreleaser then read this https://goreleaser.com/environment/#using-the-mainversion :
Default wise GoRe...
How long do browsers cache HTTP 301s?
I am debugging a problem with a HTTP 301 Permanent Redirect. After a quick test, it seems that Safari clears its cache of 301s when it is restarted, but Firefox does not.
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Change first commit of project with Git? [duplicate]
...il address globally on the book Pro Git, and you may find this link useful http://git-scm.com/book/en/Git-Tools-Rewriting-History
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C++11 emplace_back on vector?
Consider the following program:
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Why should I care that Java doesn't have reified generics?
This came up as a question I asked in an interview recently as something the candidate wished to see added to the Java language. It's commonly-identified as a pain that Java doesn't have reified generics but, when pushed, the candidate couldn't actually tell me the sort of things that he could hav...
What causes and what are the differences between NoClassDefFoundError and ClassNotFoundException?
...r a class belongs to in a local path, you can use a utility like jarscan ( http://www.inetfeedback.com/jarscan/ ). You just specify the class you'd like to locate and the root directory path where you'd like it to start searching for the class in jars and zip files.
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How to do Base64 encoding in node.js?
Does node.js have built-in base64 encoding yet?
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How to implement a rule engine?
I have a db table that stores the following:
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