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There is already an open DataReader associated with this Command which must be closed first

... cause this is lazy loading triggered when iterating over the results of some query. This can be easily solved by allowing MARS in your connection string. Add MultipleActiveResultSets=true to the provider part of your connection string (where Data Source, Initial Catalog, etc. are specified). ...
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Controller not a function, got undefined, while defining controllers globally

I am writing a sample application using angularjs. i got an error mentioned below on chrome browser. 14 Answers ...
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Xcode changes unmodified storyboard and XIB files

...em. For example, the XML in the .storyboard file has its starting <document> tag's toolsVersion and systemVersion attributes altered by whatever configuration the most recent file manipulator happens to be running. Synchronizing everybody's Xcode versions precisely seems to help with to...
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How can you zip or unzip from the script using ONLY Windows' built-in capabilities?

In Windows you can zip some files by 17 Answers 17 ...
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HTML if image is not found

... The best way to solve your problem: <img id="currentPhoto" src="SomeImage.jpg" onerror="this.onerror=null; this.src='Default.jpg'" alt="" width="100" height="120"> onerror is a good thing for you :) Just change the image file name and try yourself. ...
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iOS - Dismiss keyboard when touching outside of UITextField

... So without having to define any methods, a one-liner would be: [self.view addGestureRecognizer:[[UITapGestureRecognizer alloc] initWithTarget:self.view action:@selector(endEditing:)]]; – Subhas Aug 11 '14 at 7:11 ...
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FFMPEG (libx264) “height not divisible by 2

I am trying to encode a .mp4 video from a set of frames using FFMPEG using the libx264 codec. 7 Answers ...
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From inside of a Docker container, how do I connect to the localhost of the machine?

...nux. A fix has been submitted on March the 8th, 2019 and will hopefully be merged to the code base. Until then, a workaround is to use a container as described in qoomon's answer. 2020-01: some progress has been made. If all goes well, this should land in Docker 20.04 TLDR Use --network="host" ...
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How to call shell commands from Ruby

... This explanation is based on a commented Ruby script from a friend of mine. If you want to improve the script, feel free to update it at the link. First, note that when Ruby calls out to a shell, it typically calls /bin/sh, not Bash. Some Bash syntax is not ...
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bootstrap modal removes scroll bar

... Added some more details. Better now? – flup Jul 31 '14 at 22:52 14 ...