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Submitting a multidimensional array via POST with php

... On submitting, you would get an array as if created like this: $_POST['topdiameter'] = array( 'first value', 'second value' ); $_POST['bottomdiameter'] = array( 'first value', 'second value' ); However, I would suggest changing your form names to this format instead: name="diameters[0]...
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What is the difference between “Class.forName()” and “Class.forName().newInstance()”?

...ing.html – Johanna Jan 19 '10 at 12:05 2 in the above site is written that:"Calling the Class.for...
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How to read a large file - line by line?

...object, Python looks up in the list of object methods a special one called __iter__, which tells it what to do. File objects define this special method to return an iterator over the lines. (Roughly.) – Katriel Feb 10 '15 at 12:14 ...
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Python function global variables?

... In the code that I gave, is func_B doing things (1) to the global copy of x (as gotten from func_A), (2) to a local variable x with the same value of the result of func_A, or (3) to a local variable x with no value and (in the eyes of the compiler) no relat...
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Display two files side by side

...f gems – Hasturkun Nov 12 '12 at 13:05 1 Is there a way for pr to auto-detect screen width? ...
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How to debug .htaccess RewriteRule not working

...isit your URL. If it is working, you should get a 500 Internal Server Error Internal Server Error The server encountered an internal error or misconfiguration and was unable to complete your request.... I suggest you to put it soon after RewriteEngine on. Since you are on your ma...
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How to make “if not true condition”?

... I think it can be simplified into: grep sysa /etc/passwd || { echo "ERROR - The user sysa could not be looked up" exit 2 } or in a single command line $ grep sysa /etc/passwd || { echo "ERROR - The user sysa could not be looked up"; exit 2; } ...
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Tar archiving that takes input from a list of files

...e this: tar -cvf allfiles.tar --exclude='^#' -T mylist.txt. Tar reports an error, but when you check your tar archive, there are no errors, and all files from the list are inside your archive. – Matt G Oct 31 '18 at 6:05 ...
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In Bash, how do I add a string after each line in a file?

... | edited May 13 at 12:05 answered May 13 at 11:59 欢...
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How to set Java environment path in Ubuntu

...le /etc/profile sudo gedit /etc/profile Add following lines in end JAVA_HOME=/usr/lib/jvm/jdk1.7.0 PATH=$PATH:$HOME/bin:$JAVA_HOME/bin export JAVA_HOME export JRE_HOME export PATH Then Log out and Log in ubuntu for setting up the paths... ...