Generally methods that return a sequence use deferred execution: IEnumerable<X> —> Select —> IEnumerable<Y> and methods that return a single object doesn’t: IEnumerable<X> —> First —> Y So, methods like Where, Select, Take, Skip, GroupBy and OrderBy use deferred execution because they can, while methods like First, Single, ToList and ToArray don’t because they can’t. … Read more
UPDATE 2022-Oct Reading this answer after all these years, I felt the original tone was too harsh, and I came off as an a-hole. So I soften the tone a bit. Sorry to resurrect this from the dead, but reading the accepted answer by Daniel, and then testing it myself I though that at least … Read more
The C atexit functionality was considered by the Go developers and the idea of adopting it was rejected. From one of the related thread at golang-nuts: Russ Cox: Atexit may make sense in single-threaded, short-lived programs, but I am skeptical that it has a place in a long-running multi-threaded server. I’ve seen many C++ programs … Read more
<%= javascript_include_tag “https://stackoverflow.com/questions/10982375/blah.js”, :defer => “defer” %> This will get you (in development): <script defer=”defer” src=”https://stackoverflow.com/assets/blah.js” type=”text/javascript”></script>
Execution of a deferred function is not only delayed, deferred to the moment the surrounding function returns, it is also executed even if the enclosing function terminates abruptly, e.g. panics. Spec: Defer statements: A “defer” statement invokes a function whose execution is deferred to the moment the surrounding function returns, either because the surrounding function … Read more
The scripts with the defer attribute load in the order they are specified, but not before the document itself has been loaded. As defer has no effect on script tags unless they also have the src attribute, the first script that gets executed is your inline script. So at that time jQuery is not loaded … Read more
A few snippets from the HTML5 spec: http://w3c.github.io/html/semantics-scripting.html#element-attrdef-script-async The defer and async attributes must not be specified if the src attribute is not present. There are three possible modes that can be selected using these attributes [async and defer]. If the async attribute is present, then the script will be executed asynchronously, as soon as … Read more