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Get the client IP address using PHP [duplicate]

...ant to get the client IP address who uses my website. I am using the PHP $_SERVER superglobal: 5 Answers ...
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How to find the JVM version from a program?

...version "12" "1.8.0_201" "1.5.0_22" Java Runtime Environment version, which may be interpreted as a Runtime.Version java.version.date "2019-03-19" ...
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How to select a single field for all documents in a MongoDB collection?

...uery. In the result set, only the item and qty fields and, by default, the _id field return in the matching documents. db.inventory.find( { type: 'food' }, { item: 1, qty: 1 } ) In this example from the folks at Mongo, the returned documents will contain only the fields of item, qty, and _id. Thus...
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Stop pip from failing on single package when installing with requirements.txt

...optional dependencies: #!/bin/sh while read dependency; do dependency_stripped="$(echo "${dependency}" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')" # Skip comments if [[ $dependency_stripped == \#* ]]; then continue # Skip blank lines elif [ -z "$dependency_str...
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What is the __del__ method, How to call it?

I am reading a code. There is a class in which __del__ method is defined. I figured out that this method is used to destroy an instance of the class. However, I cannot find a place where this method is used. The main reason for that is that I do not know how this method is used, probably not like ...
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How to modify a global variable within a function in bash?

...mysecondfunc() { echo "Hello" return 4 } var="$(mysecondfunc)" num_var=$? echo "$var - num is $num_var" Gives: Hello - num is 4 share | improve this answer | fo...
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Python Logging (function name, file name, line number) using a single file

...wise it would # be this function!!! func = inspect.currentframe().f_back.f_code # Dump the message + the name of this function to the log. logging.debug("%s: %s in %s:%i" % ( message, func.co_name, func.co_filename, func.co_firstlineno )) This...
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ImportError in importing from sklearn: cannot import name check_build

...the kernel's socket connection. Fixed by renaming the file multiprocessing_.py (leading underscore did not work). – pylang Jan 11 '19 at 2:52 ...
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method of iterating over sqlalchemy model's defined columns?

...and copy methods to a couple of models. I can't just iterate over the obj.__dict__ since it contains a lot of SA specific items. ...
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Approximate cost to access various caches and main memory?

...opy of a line. But remember, Intel uses MESIF (en.wikipedia.org/wiki/MESIF_protocol) for NUMA, AMD uses MOESI. I think within a single socket, though, MESIF isn't really a thing because data comes from L3, not core->core. So it's probably more relevant for L3 cache->cache transfers across s...