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Calculate business days
I need a method for adding "business days" in PHP. For example, Friday 12/5 + 3 business days = Wednesday 12/10.
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How to determine if one array contains all elements of another array
Given:
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Linux how to copy but not overwrite? [closed]
I want to cp a directory but I do not want to overwrite any existing files even it they are older than the copied files. And I want to do it completely noninteractive as this will be a part of a Crontab Bash script. Any ideas?
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What is the most efficient way to concatenate N arrays?
What is the most efficient way to concatenate N arrays of objects in JavaScript?
20 Answers
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In Ruby, is there an Array method that combines 'select' and 'map'?
I have a Ruby array containing some string values. I need to:
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Sort a text file by line length including spaces
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How can I use an array of function pointers?
How should I use array of function pointers in C?
10 Answers
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How to read a text file into a string variable and strip newlines?
I use the following code segment to read a file in python:
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Nullable Foreign Key bad practice?
Let's say you have a table Orders with a foreign key to a Customer Id. Now, suppose you want to add an Order without a Customer Id, (whether that should be possible is another question) you would have to make the foreign key NULL... Is that bad practice or would you rather work with a link table bet...