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How to determine the memory footprint (size) of a variable?
Is there a function in PHP (or a PHP extension) to find out how much memory a given variable uses? sizeof just tells me the number of elements/properties.
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What does bundle exec rake mean?
What does bundle exec rake db:migrate mean? Or just bundle exec rake <command> in general?
7 Answers
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Case insensitive string as HashMap key
I would like to use case insensitive string as a HashMap key for the following reasons.
12 Answers
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Are PHP Variables passed by value or by reference?
Are PHP variables passed by value or by reference?
14 Answers
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How to split a dos path into its components in Python
...tting it wrong. Spaces, slashes, backslashes, colons -- the possibilities for confusion are not endless, but mistakes are easily made anyway. So I'm a stickler for the use of os.path, and recommend it on that basis.
(However, the path to virtue is not the one most easily taken, and many people when...
Maximum call stack size exceeded error
...g a Direct Web Remoting (DWR) JavaScript library file and am getting an error only in Safari (desktop and iPad)
31 Answers
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How do I get the find command to print out the file size with the file name?
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find . -name '*.ear' -exec ls -lh {} \;
just the h extra from jer.drab.org's reply. saves time converting to MB mentally ;)
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String difference in Bash
...ference between two strings in my script. I could easily do this with diff or comm, but I'm not dealing with files and I'd prefer not to output them to files, do the compare and read it back.
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What is recursion and when should I use it?
...o come up regularly on mailing lists and online discussions is the merits (or lack thereof) of doing a Computer Science Degree. An argument that seems to come up time and again for the negative party is that they have been coding for some number of years and they have never used recursion.
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Determining if a number is either a multiple of ten or within a particular set of ranges
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For the first one, to check if a number is a multiple of use:
if (num % 10 == 0) // It's divisible by 10
For the second one:
if(((num - 1) / 10) % 2 == 1 && num <= 100)
But that's rather dense, and you might b...