python - What's the difference between nan, NaN and NAN -
in numpy there nan, nan , nan. what's sense of having three, differ or of these can used interchangeably?
>>> numpy.nan numpy.nan numpy.nan true it's convenient. they're same.
javascript - DIV "hiding" when changing dropdown value -
this related previous question asked: hide / show multiple divs i have code in place previous question , seems work ok apart when change value in dropdown "after" ticket selection made. i have number of javascrpts in place wondering if there clash somewhere? first bit of code in head of document. <head> <script type="text/javascript"> $(function() { $('.cat_dropdown').change(function() { $('#paymethod').toggle($(this).val() >= 2); }); }); </script> <script type="text/javascript"> $(document).ready(function () { $(".paymentmethod").click(function () { $(".paymentinfo").hide(); switch ($(this).val()) { case "credit card authorisation": $("#pay0").show("slow"); break;
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