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What are the differences between Abstract Factory and Factory design patterns?

...tly: the main difference between these two patterns is the old composition vs inheritance debate. UML diagrams can be found in the (GoF) book. I want to provide code examples, because I think combining the examples from the top two answers in this thread will give a better demonstration than either...
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What is difference between functional and imperative programming languages?

... I see only the difference in async vs. sync. – Vladimir Vukanac Mar 25 '19 at 14:17 ...
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How to iterate over rows in a DataFrame in Pandas

...vesting time in exploring them. I'm not trying to start a war of iteration vs. vectorization, but I want new users to be informed when developing solutions to their problems with this library. share | ...
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How to retrieve the first word of the output of a command in bash?

...eaving the variables $1, $2, … intact is an extremely useful feature for script writing! – Serge Stroobandt Oct 21 '16 at 22:59 add a comment  |  ...
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How to delete a workspace in Perforce (using p4v)?

... It could also be done without a visual client with the following small script. $ cat ~/bin/pdel #!/bin/sh #Todo: add error handling ( p4 -c $1 client -o | perl -pne 's/\blocked\s//' | p4 -c $1 client -i ) && p4 client -d $1 ...
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How to solve PHP error 'Notice: Array to string conversion in…'

...hen logs the Notice to stderr and keeps going. Another example in a PHP script: <?php $stuff = array(1,2,3); print $stuff; //PHP Notice: Array to string conversion in yourfile on line 3 ?> You have 2 options, either cast your PHP array to String using an array to string convert...
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How to decompile an APK or DEX file on Android platform? [closed]

...vranckaert/AndroidDecompiler Just checkout the project locally and run the script as documented and you'll get all the resources and sources decompiled. share | improve this answer | ...
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Error 1046 No database Selected, how to resolve?

... Thanks! This is what I needed. I had a script to create my database and tables but the tables weren't getting created because I needed to insert the USE tablename command. – ckpepper02 Apr 21 '14 at 15:23 ...
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Create directory if it does not exist

I am writing a PowerShell script to create several directories if they do not exist. 11 Answers ...
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Fatal error: Class 'SoapClient' not found

... Diagnose Look up the following inside your script file phpinfo(); If you can't find Soap Client set to enabled like so: Fix Do the following: Locate php.ini in your apache bin folder, I.e Apache/bin/php.ini Remove the ; from the beginning of extension=php_soap...