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gradlew: Permission Denied

I am attempting to run gradlew from my command line, but am constantly facing the following error. 14 Answers ...
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Is there a difference between “throw” and “throw ex”?

... ex resets the stack trace (so your errors would appear to originate from HandleException) throw doesn't - the original offender would be preserved. static void Main(string[] args) { try { Method2(); } catch (Exception ex) { Console.Write(ex.StackTrace.ToString()...
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How to store a command in a variable in a shell script?

I would like to store a command to use at a later period in a variable (not the output of the command, but the command itself) ...
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Favicon dimensions? [duplicate]

... Short answer The favicon is supposed to be a set of 16x16, 32x32 and 48x48 pictures in ICO format. ICO format is different than PNG. Non-square pictures are not supported. To generate the favicon, for many reasons explained below, I advise you to use this favicon generator. Full disclosure...
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How to validate an email address in JavaScript

... for "RFC822" or "RFC2822" to get a proper regex. – Randal Schwartz Sep 8 '10 at 2:34 45 This doe...
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Convert JavaScript string in dot notation into an object reference

..." It is of course generally fine to do this if your use case is small and you will not run into performance issues, AND you won't need to build upon your abstraction to make it more complicated later. In fact, if this will reduce code complexity and keep things simple, you should probably go ah...
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image processing to improve tesseract OCR accuracy

...o convert documents into text. The quality of the documents ranges wildly, and I'm looking for tips on what sort of image processing might improve the results. I've noticed that text that is highly pixellated - for example that generated by fax machines - is especially difficult for tesseract to pr...
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How can I remove a trailing newline?

... Try the method rstrip() (see doc Python 2 and Python 3) >>> 'test string\n'.rstrip() 'test string' Python's rstrip() method strips all kinds of trailing whitespace by default, not just one newline as Perl does with chomp. >>> 'test string \n \r\...
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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been

...ge file (PNG, JPEG, etc.), draw it to the canvas completely transparently, and then fade it in. I have figured out how to load the image and draw it to the canvas, but I don't know how to change its opacity once it as been drawn. ...
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Why use a prime number in hashCode?

... Because you want the number you are multiplying by and the number of buckets you are inserting into to have orthogonal prime factorizations. Suppose there are 8 buckets to insert into. If the number you are using to multiply by is some multiple of 8, then the bucket inserted...