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Command line to remove an environment variable from the OS level configuration
...e user environment (which is the default place setx puts it):
REG delete HKCU\Environment /F /V FOOBAR
If the variable is set in the system environment (e.g. if you originally set it with setx /M), as an administrator run:
REG delete "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Environ...
Does the Java &= operator apply & or &&?
...= b; is equivalent to a = a & b;.
(In some usages, the type-casting makes a difference to the result, but in this one b has to be boolean and the type-cast does nothing.)
And, for the record, a &&= b; is not valid Java. There is no &&= operator.
In practice, there is little...
Case objects vs Enumerations in Scala
...eral that enumerations are a bit clumsy in Scala and have the feel of an awkward add-on, so I now tend to use case objects. A case object is more flexible than an enum:
sealed trait Currency { def name: String }
case object EUR extends Currency { val name = "EUR" } //etc.
case class UnknownCurrency...
Read/write files within a Linux kernel module
I know all the discussions about why one should not read/write files from kernel, instead how to use /proc or netlink to do that. I want to read/write anyway. I have also read
Driving Me Nuts - Things You Never Should Do in the Kernel .
...
Get Mouse Position
I would like to simulate a natural mouse movement in Java (going from here to there pixel by pixel). To do that I need to know the starting coordinates.
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Set folder browser dialog start location
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great_llamagreat_llama
10.7k44 gold badges3030 silver badges2929 bronze badges
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Programmatically fire button click event?
Is there a way to programmatically fire a button click event? I have a button placed there in an UIView, and in a particular scenario i want to click the button via code, not manually as a user. Is it possible in iOS development? Please provide your suggestions and guide me how to do that.
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When should I use File.separator and when File.pathSeparator?
... edited Aug 26 '13 at 12:24
Kaadzia
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answered May 12 '11 at 0:19
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Python Requests and persistent sessions
...t how to submit data to a login form on a website and retrieve the session key, but I can't see an obvious way to use this session key in subsequent requests.
Can someone fill in the ellipsis in the code below or suggest another approach?
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How to remove remote origin from Git repo
... answered May 2 '13 at 4:40
kahowellkahowell
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