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How to check that an object is empty in PHP?

... You can cast to an array and then check if it is empty or not $arr = (array)$obj; if (!$arr) { // do stuff } share | improve this answer | ...
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Use Font Awesome Icon in Placeholder

...laceholder? I read that HTML isn't allowed in a placeholder. Is there a workaround? 17 Answers ...
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Calculating text width

... This worked better for me: $.fn.textWidth = function(){ var html_org = $(this).html(); var html_calc = '<span>' + html_org + '</span>'; $(this).html(html_calc); var width = $(this).find('span:first').width(); $...
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How to drop columns using Rails migration

... answered Jun 3 '10 at 5:49 Nick HammondNick Hammond 10.1k11 gold badge1616 silver badges99 bronze badges ...
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How to find if an array contains a specific string in JavaScript/jQuery? [duplicate]

... You really don't need jQuery for this. var myarr = ["I", "like", "turtles"]; var arraycontainsturtles = (myarr.indexOf("turtles") > -1); Hint: indexOf returns a number, representing the position where the specified searchvalue occurs for the first time, or -1 if it never occ...
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How can I extract audio from video with ffmpeg?

... llogan 71.6k2020 gold badges140140 silver badges167167 bronze badges answered Dec 11 '14 at 1:18 Paul IrishPaul ...
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How do I get git to default to ssh and not https for new repositories

...protocol). Unless you have administrative access to GitHub's site, I don't know of any way to change their suggested commands. If you'd rather use the SSH protocol, simply add a remote branch like so (i.e. use this command in place of GitHub's suggested command). To modify an existing branch, see t...
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Visual Studio “Could not copy” … during build

I keep getting this error during the build of my VS2012 C# project 60 Answers 60 ...
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Website screenshots

Is there any way of taking a screenshot of a website in PHP, then saving it to a file? 26 Answers ...
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Way to ng-repeat defined number of times instead of repeating over array?

...le (no function needed): <li ng-repeat="x in [].constructor(number) track by $index"> <span>{{ $index+1 }}</span> </li> $scope.number = 5; This was not possible at the time the question was first asked. Credit to @Nikhil Nambiar from his answer below for this update O...