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How do I turn on SQL debug logging for ActiveRecord in RSpec tests?
I have some RSpec tests for my models and I would like to turn on SQL ActiveRecord logging just like I see in the Rails server mode. How to do that?
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Is it possible to use argsort in descending order?
... @bug It can, but it doesn't in this case. I've added some timings to my answer. The numbers show that for larger arrays these approaches have similar timings, which supports the hypothesis that argsort is dominant. For negation, I would guess you're right about the memory usage, but users may ...
String concatenation in Ruby
...end block) for each interpreter, you'd end up with more accurate results. My testing has shown interpolation is the fastest method, across all Ruby interpreters. I would have expected << to be the quickest, but that's why we benchmark.
– womble
Jun 10 '...
What's the difference between `on` and `live` or `bind`?
... removed and only on and one will be left.
Examples:
// Using live()
$(".mySelector").live("click", fn);
// Equivalent `on` (there isn't an exact equivalent, but with good reason)
$(document).on("click", ".mySelector", fn);
// Using bind()
$(".mySelector").bind("click", fn);
// Equivalent `o...
How many characters can UTF-8 encode?
...2^21 (though not all are currently being used).
– Jimmy
Jun 24 '17 at 17:15
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Do AJAX requests retain PHP Session info?
If I had a user logged onto my site, having his id stored in $_SESSION , and from his browser he clicked a 'Save' button which would make an AJAX request to the server. Will his $_SESSION and cookies be retained in this request, and can I safely rely on the id being present in the $_SESSION ?
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Find the extension of a filename in Ruby
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I my opinion it would be easier to do this to get ride of the extension separator.
File.extname(path).delete('.')
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im...
Waiting on a list of Future
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:Your code has same issue which i mentioned in my post.If forth future throws exception then the code will still wait for future 1,2,3 to complete. or will completionSerice.take) will return the future which completes first?
– user93796
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Getting the first character of a string with $str[0]
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My only doubt would be how applicable this technique would be on multi-byte strings, but if that's not a consideration, then I suspect you're covered. (If in doubt, mb_substr() seems an obviously safe choice.)
However, from ...
What is the difference between t.belongs_to and t.references in rails?
...ove one of them!? I like it this way, being able to choose whichever makes my code look more like real english.
– Tornskaden
Oct 17 '11 at 20:22
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