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Checking from shell script if a directory contains files

...{#files} -gt 0 ]; or maybe you just forgot the () around the sub-shell command? files=($(shopt -s nullglob;shopt -s dotglob;echo /some/dir/*)) – stoutyhk Jul 4 '13 at 17:48 ...
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Why does Git treat this text file as a binary file?

...most but not completely not wrong. Git did have inspected the actual files and have seen 'funny' characters there. However it does not "think" UTF-16 is binary. It is binary, because text is defined as ASCII-based (that's the only thing the built-in diff will give usable results for) and UTF-16 is n...
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How to get hex color value rather than RGB value?

... is designed to cope with the format given by a browser when using jQuery, and this doesn't have the different white-space or captilisation consistencies you are talking about. You could also use the same regex and just remove all whitespaces and convert to lowercase before matching on rgb. P.S. You...
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C# HttpClient 4.5 multipart/form-data upload

... If you get an error: "Uploaded file(s) not found" try to add the key and fileName parameters to content (bilddatei and upload.jpg in this example). – jhhwilliams May 24 '19 at 8:13 ...
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Is there a way to get rid of accents and convert a whole string to regular letters?

Is there a better way for getting rid of accents and making those letters regular apart from using String.replaceAll() method and replacing letters one by one? Example: ...
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Switching the order of block elements with CSS [duplicate]

... <title>foobar</title> <style> @media screen and (max-width:300px){ #parent{ display:flex; flex-flow: column; } #a{order:2;} #c{order:1;} #b{order:3;} } </style> </head> <body> ...
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How to create a unique index on a NULL column?

...f uniques" -- NULL is a special value in SQL (similar in many ways to NaN) and needs to be treated accordingly. It's actually a failure in in SQL Server to honor various SQL specifications: here is a link for a request for the "correct implementation" for what it is worth: connect.microsoft.com/SQLS...
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How to convert Milliseconds to “X mins, x seconds” in Java?

...btract the current System.currentTimeMillis() from the start variable, and I want to show them the time elapsed using a human readable format such as "XX hours, XX mins, XX seconds" or even "XX mins, XX seconds" because its not likely to take someone an hour. ...
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Can I change multiplier property for NSLayoutConstraint?

I created two views in one superview, and then added constraints between views: 13 Answers ...
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Difference between Observer, Pub/Sub, and Data Binding

...hat is the difference between the Observer Pattern , Publish/Subscribe , and Data Binding ? 4 Answers ...