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How to identify server IP address in PHP

... Like this for the server ip: $_SERVER['SERVER_ADDR']; and this for the port $_SERVER['SERVER_PORT']; share | improve this answer | follow ...
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How to silence output in a Bash script?

I have a program that outputs to stdout and would like to silence that output in a Bash script while piping to a file. 9 An...
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Create a GUID in Java

... Have a look at the UUID class bundled with Java 5 and later. For example: If you want a random UUID you can use the randomUUID method. If you want a UUID initialized to a specific value you can use the UUID constructor or the fromString method. ...
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Is there a JavaScript function that can pad a string to get to a determined length?

I am in need of a JavaScript function which can take a value and pad it to a given length (I need spaces, but anything would do). I found this: ...
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What is the reason for performing a double fork when creating a daemon?

...curious as to why a double fork is necessary. I've scratched around google and found plenty of resources declaring that one is necessary, but not why. ...
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How do I parse command line arguments in Bash?

...as non-opt/last argument: #93.184.216.34 example.com To better understand ${i#*=} search for "Substring Removal" in this guide. It is functionally equivalent to `sed 's/[^=]*=//' <<< "$i"` which calls a needless subprocess or `echo "$i" | sed 's/[^=]*=//'` which calls two needless subp...
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Trying to understand CMTime and CMTimeMake

1) CMTimeMake(1,10) means duration of 1 second and timescale of 10, or 10 frames per second. This means 1s duration of video with 10 frames? ...
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How to generate XML file dynamically using PHP?

...ocument in PHP you should instance a DOMDocument class, create child nodes and append these nodes in the correct branch of the document tree. For reference you can read http://it.php.net/manual/en/book.dom.php Now we will take a quick tour of the code below. at line 2 we create an empty xml docu...
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After Installing Java JDK 7 For Mac OS X - mvn -version still shows java version 1.6.0_31

... Java JDK 7 on April 26 for Mac OS X. I followed the install instructions and when I do java -version in a terminal window I get: ...
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Is there a reason that Swift array assignment is inconsistent (neither a reference nor a deep copy)?

I'm reading the documentation and I am constantly shaking my head at some of the design decisions of the language. But the thing that really got me puzzled is how arrays are handled. ...