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Why a function checking if a string is empty always returns true? [closed]

...rray) * var $var; (a variable declared, but without a value in a class) http://www.php.net/empty share | improve this answer | follow | ...
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Why am I getting “Unable to find manifest signing certificate in the certificate store” in my Excel

... Delete these entries mentioned in this post: http://manfredlange.blogspot.ca/2008/03/visual-studio-unable-to-find-manifest.html. Also remove the .snk or .pfx files from the project root. Don't forget to push these changes to GitHub, for Jenkins only pulls source from ...
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How do I start Mongo DB from Windows?

... Download from http://www.mongodb.org/downloads Install .msi file in folder C:\mongodb Create data, data\db, log directories and mongo.config file under C:\mongodb. Add the following lines in "mongo.config" file port=27017 dbpath=C:\mongod...
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Tainted canvases may not be exported

...lt;video id="video_source" crossorigin="anonymous"> <source src="http://crossdomain.example.com/myfile.mp4"> </video> Ensure Access-Control-Allow-Origin header is set in the video source response (proper setup of crossdomain.example.com) Set the video tag to have crossorigin="a...
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How do I flush the cin buffer?

...your code isn't going to be portable. See Using fflush(stdin). Also, see http://ubuntuforums.org/showpost.php?s=9129c7bd6e5c8fd67eb332126b59b54c&p=452568&postcount=1 for an alternative. share | ...
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Render a string in HTML and preserve spaces and linebreaks

... have you tried using <pre> tag. http://jsfiddle.net/NweRa/ share | improve this answer | follow | ...
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How to change default timezone for Active Record in Rails?

...tc) when pulling dates and times from the database. The default is :utc. http://guides.rubyonrails.org/configuring.html If you want to change Rails timezone, but continue to have Active Record save in the database in UTC, use # application.rb config.time_zone = 'Eastern Time (US & Canada)...
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Prevent multiple instances of a given app in .NET?

...GetProcessByName has many caveats. Here is a good article on the subject: http://odetocode.com/Blogs/scott/archive/2004/08/20/401.aspx [STAThread] static void Main() { using(Mutex mutex = new Mutex(false, "Global\\" + appGuid)) { if(!mutex.WaitOne(0, false)) { MessageBo...
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Can I set enum start value in Java?

... don't have to worry about assigning a COLOR enum to a SIZE variable. See http://docs.oracle.com/javase/tutorial/java/javaOO/enum.html for more. share | improve this answer | ...
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How to test a confirm dialog with Cucumber?

...ndorse it as beautiful code, but it gets the job done. You'll need to load http://plugins.jquery.com/node/1386/release, or change it to do cookies natively if you don't want jQuery. Use this sort of story: Given I am on the menu page for the current booking And a confirmation box saying "The menu ...