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Checking from shell script if a directory contains files

...{#files} -gt 0 ]; or maybe you just forgot the () around the sub-shell command? files=($(shopt -s nullglob;shopt -s dotglob;echo /some/dir/*)) – stoutyhk Jul 4 '13 at 17:48 ...
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Convert SQLITE SQL dump file to POSTGRESQL

...n POSTGRESQL. I just updated my local database with a huge amount of data and need to transfer a specific table to the production database. ...
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Convert a series of parent-child relationships into a hierarchical tree?

...sic recursive function to parse the child/parent pairs to a tree structure and another recursive function to print it out. Only one function would suffice but here's two for clarity (a combined function can be found at the end of this answer). First initialize the array of child/parent pairs: $tre...
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Running Python code in Vim

I am writing Python code using Vim, and every time I want to run my code, I type this inside Vim: 20 Answers ...
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How do you count the lines of code in a Visual Studio solution?

... Ultimate and Premium, I think – Stefan Dragnev Aug 29 '11 at 16:42 42 ...
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How to check if the string is empty?

... answered Mar 5 '12 at 20:10 Andrew ClarkAndrew Clark 171k2525 gold badges236236 silver badges278278 bronze badges ...
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Dictionary vs Object - which is more efficient and why?

What is more efficient in Python in terms of memory usage and CPU consumption - Dictionary or Object? 8 Answers ...
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Changing variable names in Vim

I am using Vim to read through a lot of C and Perl code containing many single letter variable names. 7 Answers ...
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How does Java handle integer underflows and overflows and how would you check for it?

How does Java handle integer underflows and overflows? 12 Answers 12 ...
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How can I split a text into sentences?

...Russian -- see can NLTK/pyNLTK work “per language” (i.e. non-english), and how?. – martineau Jan 2 '11 at 0:28 ...