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Determining whether jQuery has not found any element

...t').length is what you're looking for. (If it finds nothing, this will === 0.) So your conditional statement should probably be: if($('#id').length) { /* code if found */ } else { /* code if not found */ } You're getting an object returned from that alert because jQuery (almost) always returns the...
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Checkboxes in web pages – how to make them bigger?

...r. input[type='checkbox'] { -webkit-appearance:none; width:30px; height:30px; background:white; border-radius:5px; border:2px solid #555; } input[type='checkbox']:checked { background: #abd; } <input type="checkbox" /> ...
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In tmux can I resize a pane to an absolute value

... answered Apr 23 '13 at 0:26 dcatdcat 1,09699 silver badges66 bronze badges ...
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View.setPadding accepts only in px, is there anyway to setPadding in dp?

...yMetrics().density; int padding_in_px = (int) (padding_in_dp * scale + 0.5f); share | improve this answer | follow | ...
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CSS: transition opacity on mouse-out?

... 202 You're applying transitions only to the :hover pseudo-class, and not to the element itself. .i...
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Set a persistent environment variable from cmd.exe

... answered May 5 '11 at 13:09 Vik DavidVik David 3,00633 gold badges1919 silver badges2626 bronze badges ...
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Convert number strings with commas in pandas DataFrame to float

...e step. You need to set the locale first: In [ 9]: import locale In [10]: from locale import atof In [11]: locale.setlocale(locale.LC_NUMERIC, '') Out[11]: 'en_GB.UTF-8' In [12]: df.applymap(atof) Out[12]: 0 1 0 1200 4200.00 1 7000 -0.03 2 5 0.00 ...
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How to sort an array of objects by multiple fields?

... 30 Answers 30 Active ...
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How to resolve “must be an instance of string, string given” prior to PHP 7?

... 205 Prior to PHP 7 type hinting can only be used to force the types of objects and arrays. Scalar t...
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Only one expression can be specified in the select list when the subquery is not introduced with EXI

...(distinct dNum) from myDB.dbo.AQ where A_ID in (SELECT DISTINCT TOP (0.1) PERCENT A_ID FROM myDB.dbo.AQ WHERE M > 1 and B = 0 GROUP BY A_ID ORDER BY COUNT(DISTINCT dNum) DESC) share | ...