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[ :Unexpected operator in shell programming [duplicate]

... | improve this answer | follow | answered Aug 5 '10 at 1:08 WolphWolph 66.6k99 gold badges120120 si...
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Find location of a removable SD card

Is there an universal way to find the location of an external SD card? 22 Answers 22 ...
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List files with certain extensions with ls and grep

I just want to get the files from the current dir and only output .mp4 .mp3 .exe files nothing else. So I thought I could just do this: ...
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Elegant ways to support equivalence (“equality”) in Python classes

When writing custom classes it is often important to allow equivalence by means of the == and != operators. In Python, this is made possible by implementing the __eq__ and __ne__ special methods, respectively. The easiest way I've found to do this is the following method: ...
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How can I make space between two buttons in same div?

...some other container, not btn-group. btn-group joins them together. More info on Bootstrap documentation. Edit: The original question was for Bootstrap 2.x, but the same is still valid for Bootstrap 3 and Bootstrap 4. In Bootstrap 4 you will need to add appropriate margin to your groups using util...
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Generate random 5 characters string

I want to create exact 5 random characters string with least possibility of getting duplicated. What would be the best way to do it? Thanks. ...
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Passing a dictionary to a function as keyword parameters

I'd like to call a function in python using a dictionary. 4 Answers 4 ...
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jquery if div id has children

This if -condition is what's giving me trouble: 7 Answers 7 ...
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Convert .pfx to .cer

Is it possible to convert a .pfx (Personal Information Exchange) file to a .cer (Security Certificate) file? Unless I'm mistaken, isn't a .cer somehow embedded inside a .pfx? I'd like some way to extract it, if possible. ...
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How to zero pad a sequence of integers in bash so that all have the same width?

... In your specific case though it's probably easiest to use the -f flag to seq to get it to format the numbers as it outputs the list. For example: for i in $(seq -f "%05g" 10 15) do echo $i done will produce the following output: 00...