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Difference between `set`, `setq`, and `setf` in Common Lisp?
...er hand, is subtle indeed -- it's like an "indirection". I suggest http://www.n-a-n-o.com/lisp/cmucl-tutorials/LISP-tutorial-16.html as a better way to get started understanding it than any answer here can give... in short, though, setf takes the first argument as a "reference", so that e.g. (aref ...
Angularjs loading screen on ajax request
...e:true,
template: '<div class="loading"><img src="http://www.nasa.gov/multimedia/videogallery/ajax-loader.gif" width="20" height="20" />LOADING...</div>',
link: function (scope, element, attr) {
scope.$watch('loading', function (val) {
...
When should I use perror(“…”) and fprintf(stderr, “…”)?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Why does an NSInteger variable have to be cast to long when used as a format argument?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
How can I get file extensions with JavaScript?
...
@Jackson Considering this is a site for offering multiple solutions to a problem, having a solution which optimizes performance is never a bad thing. You're statement "will make no perceptible difference in any application" is completely based on your narr...
Why is it not possible to extend annotations in Java?
...hat only one of the three is used.
Only one annotation of a given type per site. This has lead to the completely unnecessary collection annotation pattern. @Validation and @Validations, @Image and @Images, etc.
The second one is being remedied in Java 8, but its too late. Many frameworks have been...
What is meant by “managed” vs “unmanaged” resources in .NET?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
How to style a checkbox using CSS
...
This answer is getting old! The primary link leads to a site comparing IE6 and IE7 styles...
– Jonatan Littke
Dec 14 '12 at 13:15
7
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403 Forbidden vs 401 Unauthorized HTTP responses
...authenticate and try again.” To help you out,
it will always include a WWW-Authenticate header that describes how
to authenticate.
This is a response generally returned by your web server, not your web
application.
It’s also something very temporary; the server is asking you to t...
How do I get around type erasure on Scala? Or, why can't I get the type parameter of my collections?
...r case class to the desired type, String Lists.
More details here: http://www.scalafied.com/?p=60
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