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Returning value from called function in a shell script

... @ManuelJordan, Functions can only return exit codes and >&2 logs to stderror, so, the last echo is written to stdout, so, the calling function ONLY captures stdout and not stderr. Assuming execution is single threaded, a better option is to maintain a custom variable sp...
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iOS UIImagePickerController result image orientation after upload

...A UIImage has a property imageOrientation, which instructs the UIImageView and other UIImage consumers to rotate the raw image data. There's a good chance that this flag is being saved to the exif data in the uploaded jpeg image, but the program you use to view it is not honoring that flag. To rota...
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Resource interpreted as stylesheet but transferred with MIME type text/html (seems not related with

... i'd like to start by understanding the problem Browsers make HTTP requests to servers. The server then makes an HTTP response. Both requests and responses consist of a bunch of headers and a (sometimes optional) body with some content in it. If ther...
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CSS text-transform capitalize on all caps

... Clever thinking, well done Philihp. And well done Torin for pointing out "display: inline-block". – Chris Mendes Jul 8 '15 at 11:41 10 ...
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Why does Ruby 1.9.2 remove “.” from LOAD_PATH, and what's the alternative?

... "security" risk. You can get around it by using absolute paths File.expand_path(__FILE__) et al or doing require './filename' (ironically). or by using require_relative 'filename' or adding an "include" directory ruby -I . ... or the same, using irb; $irb -I . ...
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PostgreSQL ERROR: canceling statement due to conflict with recovery

...m getting the following error when running a query on a PostgreSQL db in standby mode. The query that causes the error works fine for 1 month but when you query for more than 1 month an error results. ...
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What data is stored in Ephemeral Storage of Amazon EC2 instance?

I am trying to stop a Amazon EC2 instance and get the warning message 4 Answers 4 ...
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AWS S3: how do I see how much disk space is using

... AWS Cloudwatch now has a metric for bucket size and number of objects that is updated daily. About time! aws.amazon.com/blogs/aws/… – cudds Jul 28 '15 at 23:13 ...
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Why does the MongoDB Java driver use a random number generator in a conditional?

...he following code in this commit for MongoDB's Java Connection driver , and it appears at first to be a joke of some sort. What does the following code do? ...
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What is the best way to dump entire objects to a log in C#?

... It also doesn't work for arrays (it just displays the type and the length of the array, but doesn't print its contents). – Konrad Morawski Sep 20 '12 at 6:57 5 ...