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How can I get the MAC and the IP address of a connected client in PHP?

... address, you could parse the output of netstat -ie in Linux, or ipconfig /all in Windows. Client IP address You can get the client IP from $_SERVER['REMOTE_ADDR'] Client MAC address The client MAC address will not be available to you except in one special circumstance: if the client is on the s...
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Remove not alphanumeric characters from string

...e them. A backslash in the string needs escaping if it's to be taken literally: "\\test\\red\\bob\\fred\\new".replace(/\W/g, '') "testredbobfrednew" // output Handling malformed strings If you're not able to escape the input string correctly (why not?), or it's coming from some kind of untruste...
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Resolving a Git conflict with binary files

... i.e. --their == currently checked-out branch and --ours is the branch, usually a remote branch, or path spec you're trying to merge into the current branch. The [space]--[space] option disambiguates to path spec between branch name and path spec that both happen to exist with the same name (e.g. an...
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Comparing strings with == which are declared final in Java

...nal and initialized with a compile-time constant expression (§15.28), is called a constant variable. Also from JLS §15.28 - Constant Expression: Compile-time constant expressions of type String are always "interned" so as to share unique instances, using the method String#intern(). This ...
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correct way to define class variables in Python [duplicate]

... being init always executed after the object is created, it becomes practically equal to define variables outside of init, right? – jeanc Jan 29 '12 at 21:33 2 ...
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Underscore prefix for property and method names in JavaScript

... Welcome to 2019! It appears a proposal to extend class syntax to allow for # prefixed variable to be private was accepted. Chrome 74 ships with this support. _ prefixed variable names are considered private by convention but are still public. This syntax tries to be both terse and int...
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Python debugging tips [closed]

... same effect in the running code ipdb is a version of pdb for IPython. It allows the use of pdb with all the IPython features including tab completion. It is also possible to set pdb to automatically run on an uncaught exception. Pydb was written to be an enhanced version of Pdb. Benefits? ...
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How do I parse an ISO 8601-formatted date?

... Pypi name is python-dateutil, not dateutil (thanks code3monk3y): pip install python-dateutil If you're using Python 3.7, have a look at this answer about datetime.datetime.fromisoformat. share | ...
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Ignore python multiple return value

...add gettext functionality to someone else's code (that defines a function called '_') so it should be banned – nosklo Jan 11 '09 at 13:32 28 ...
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Remove characters except digits from string using Python?

How can I remove all characters except numbers from string? 15 Answers 15 ...