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Java Error opening registry key

... Make sure you remove any java.exe, javaw.exe and javaws.exe from your Windows\System32 folder and if you have an x64 system (Win 7 64 bits) also do the same under Windows\SysWOW64. If you can't find them at these locations, try deleting them from C:\ProgramData\Oracle\Java\javapath. ...
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difference between use and require

...h says "namespaces are a honking great idea, we should have more of them" (from "The Zen of Python") -- so e.g. that style recommends not using "using namespace foo;" in C++, so that readers and maintainers of the code won't have to worry "where does this bar come from" but see a more explicit foo::...
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How do I read any request header in PHP

...18: Meta-variables with names beginning with HTTP_ contain values read from the client request header fields, if the protocol used is HTTP. The HTTP header field name is converted to upper case, has all occurrences of - replaced with _ and has HTTP_ prepended to give the meta-variable name. ...
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Programmatically Determine a Duration of a Locked Workstation?

... I hadn't found this before, but from any application you can hookup a SessionSwitchEventHandler. Obviously your application will need to be running, but so long as it is: Microsoft.Win32.SystemEvents.SessionSwitch += new Microsoft.Win32.SessionSwitchEventH...
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Finding the number of days between two dates

...time intervals not specific points in time, the format syntax is different from the date() and strftime() syntax. The time interval syntax can be found here: php.net/manual/en/dateinterval.format.php – Andrew Jun 4 '13 at 7:56 ...
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How to calculate moving average using NumPy?

... 3.5, 8.5]. Even the answerer's test case for a moving average of values from 0 to 19 is incorrect, claiming that the average of 0, 1, and 2 is 0.5. How did it get 6 upvotes? – JeremyKun Aug 22 '13 at 18:18 ...
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What are queues in jQuery?

... hasn't started. 'inprogress' sentinel: Whenever you dequeue() a function from the fx queue, it will unshift() (push into the first location of the array) the string "inprogress" - which flags that the queue is currently being run. It's the default! The fx queue is used by .animate() and all functi...
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Why does Google +1 record my mouse movements? [closed]

... Isn't Math.random() seeded from the current timestamp? If so, with a widely deployed button like this, you'd expect a lot of collisions. Might explain the extra efforts. – Yahel Jul 24 '11 at 3:12 ...
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How to get names of classes inside a jar file?

...hen you're scanning for a large number of classes. ClassPath cp=ClassPath.from(Thread.currentThread().getContextClassLoader()); for(ClassPath.ClassInfo info : cp.getTopLevelClassesRecurusive("my.package.name")) { // Do stuff with classes here... } Reflections I haven't personally used the Re...
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How do I get the information from a meta tag with JavaScript?

The information I need is in a meta tag. How can I access the "content" data of the meta tag when property="video" ? 18 ...