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An example of how to use getopts in bash

I want to call myscript file in this way: 7 Answers 7 ...
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How to let PHP to create subdomain automatically for each user?

...tp://user.mywebsite.com ? Do i have to access htaccess somehow? Is it actually simply possible to create it via pure php code or I need to use some external script-server side language? ...
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How to uninstall a Windows Service when there is no executable for it left on the system?

How do I uninstall a Windows Service when there is no executable for it left on the system? I can not run installutil -u since there is not executable left on the system. I can still see an entry for the service in the Services console. ...
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Easiest way to check for an index or a key in an array?

... associative array) [ ${array[key]+abc} ] && echo "exists" Basically what ${array[key]+abc} does is if array[key] is set, return abc if array[key] is not set, return nothing References: See Parameter Expansion in Bash manual and the little note if the colon is omitted, the ope...
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How to check for a valid Base64 encoded string

... calling base64String.Contains multiple times may result in poor performance incase of base64String being a large string. – NucS Jul 23 '15 at 11:46 ...
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Cleaning up old remote git branches

... the end of your git statement to see the result of running it without actually running it. Docs for git remote prune and git branch. share | improve this answer | follow ...
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How to write a multidimensional array to a text file?

...is specified by the comments kwarg). (This looks more verbose than it actually is...) import numpy as np # Generate some test data data = np.arange(200).reshape((4,5,10)) # Write the array to disk with open('test.txt', 'w') as outfile: # I'm writing a header here just for the sake of readabil...
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What's the difference between Unicode and UTF-8? [duplicate]

... most editors support save as ‘Unicode’ encoding actually. This is an unfortunate misnaming perpetrated by Windows. Because Windows uses UTF-16LE encoding internally as the memory storage format for Unicode strings, it considers this to be the natural encoding of Unicode tex...
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Possible to do a MySQL foreign key to one of two possible tables?

... What you're describing is called Polymorphic Associations. That is, the "foreign key" column contains an id value that must exist in one of a set of target tables. Typically the target tables are related in some way, such as being instances of some c...
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Which version of PostgreSQL am I running?

I'm in a corporate environment (running Debian Linux) and didn't install it myself. I access the databases using Navicat or phpPgAdmin (if that helps). I also don't have shell access to the server running the database. ...