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Reload .profile in bash shell script (in unix)?

I'm new to bash shell scripting, and have come across a challenge. I know I can reload my ".profile" file by just doing: 5 ...
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Open file dialog box in JavaScript

... <input type='file' /> control itself. But a div is placed over that and css styles are applied to get that feel. Opacity of the file control is set to 0 so that it appears that the dialog window is opened when clicking on the div. ...
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Is there a TRY CATCH command in Bash

I'm writing a shell script and need to check that a terminal app has been installed. I want to use a TRY/CATCH command to do this unless there is a neater way. ...
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Check whether an array is empty [duplicate]

... There are two elements in array and this definitely doesn't mean that array is empty. As a quick workaround you can do following: $errors = array_filter($errors); if (!empty($errors)) { } array_filter() function's default behavior will remove all values...
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How can I do DNS lookups in Python, including referring to /etc/hosts?

...for the late comment: the result may be cached by the local resolver. nscd and nslcd on Unix boxes can do this. It could also be cached by a local name server configured for caching (a common setup, once upon a time. Probably not so much now). It's not a straightforward ‘no’ answer, unfortunatel...
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Django Template Variables and Javascript

... 10 years later and Django has introduced a built in template filter just for this: docs.djangoproject.com/en/2.1/ref/templates/builtins/… – Jon Sakas Jan 19 '19 at 19:55 ...
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Creating Unicode character from its number

... That's why I said 'below'! And I need to emphasise that, despite the fact that Java chars only go up to 0xffff, Unicode code points go up to 0xfffff. The Unicode standard got changed after Java was designed. These days Java chars technically hold UTF-1...
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“wait_fences: failed to receive reply: 10004003”?

I get this cryptic error the first time (and only the first time) my view is loaded due to the following line of code: 18 A...
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How to download HTTP directory with all files and sub-directories as they appear on the online files

...ectory that I have access to. I have tried to download all sub-directories and files via wget . But, the problem is that when wget downloads sub-directories it downloads the index.html file which contains the list of files in that directory without downloading the files themselves. ...
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Show a PDF files in users browser via PHP/Perl

...n why I use cgi to show the pdf is I want to track the clicks for the pdf, and cloak the real location of the saved pdf. 5 ...