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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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Unable to execute dex: method ID not in [0, 0xffff]: 65536

...ok+Twitter's SDKs together, even after enabling multidex support (this one error in particular gave me nightmares: java.lang.ClassNotFoundException: Didn't find class "org.qtproject.qt5.android.QtActivityDelegate" on path: DexPathList[[],nativeLibraryDirectories=[/vendor/lib, /system/lib]]). It turn...
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Multiple “order by” in LINQ

... How on earth have I gone all this time without knowing about ThenBy?! (Edit: looks like it was introduced in .NET 4.0, which explains how it slipped past me unnoticed.) – Jordan Gray Nov 21 '13 at 15:05 ...
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Move assignment operator and `if (this != &rhs)`

In the assignment operator of a class, you usually need to check if the object being assigned is the invoking object so you don't screw things up: ...
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How does JavaScript .prototype work?

...Due(), getAmountDue() on a Person. //The following statement generates an error. john.setAmountDue(1000); share | improve this answer | follow | ...
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How to use a dot “.” to access members of dictionary?

...ehave differently from common expectations in that it won't raise AttributeError if the attribute does not exist. Instead it will return None. – mic_e Aug 1 '16 at 10:45 ...
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How to turn off INFO logging in Spark?

...jetty=WARN log4j.logger.org.eclipse.jetty.util.component.AbstractLifeCycle=ERROR log4j.logger.org.apache.spark.repl.SparkIMain$exprTyper=INFO log4j.logger.org.apache.spark.repl.SparkILoop$SparkILoopInterpreter=INFO Replace at the first line: log4j.rootCategory=INFO, console by: log4j.rootCateg...
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How can I get a list of all classes within current module in Python?

... This does not work in 3.6.8. I get no module error. – 
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Is there a WebSocket client implemented for Python? [closed]

...thread import time def on_message(ws, message): print message def on_error(ws, error): print error def on_close(ws): print "### closed ###" def on_open(ws): def run(*args): for i in range(30000): time.sleep(1) ws.send("Hello %d" % i) time.s...
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Using Pylint with Django

... for my python projects, but I have run into one show-stopper: One of the error types that I find extremely useful--: E1101: *%s %r has no %r member* --constantly reports errors when using common django fields, for example: ...