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Why does String.valueOf(null) throw a NullPointerException?
according to the documentation, the method String.valueOf(Object obj) returns:
4 Answers
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How can I verify if a Windows Service is running
I have an application in C# (2.0 running on XP embedded) that is communicating with a 'watchdog' that is implemented as a Windows Service. When the device boots, this service typically takes some time to start. I'd like to check, from my code, if the service is running. How can I accomplish this?
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How to format current time using a yyyyMMddHHmmss format?
I'm trying to format the current time using this format yyyyMMddHHmmss .
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What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java
I usually end up trying every combination until it compiles. Can somebody explain what I should use where?
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Don't understand why UnboundLocalError occurs (closure) [duplicate]
What am I doing wrong here?
8 Answers
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where is gacutil.exe?
I am using Windows 7 Enterprise 32 bit. I have used Windows command line, and also used VSTS 2008 command line, but when executing gacutil.exe, there is command not found error.
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What is VanillaJS?
I have one simple question, that got stuck in my mind for a few days: What is VanillaJS? Some people refer to it as a framework, you can download a library from the official pages.
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What is __declspec and when do I need to use it?
I have seen instances of __declspec in the code that I am reading. What is it? And when would I need to use this construct?
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What does it mean to start a PHP function with an ampersand?
I'm using the Facebook library with this code in it:
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What's the difference between IComparable & IEquatable interfaces?
both the interfaces seem to compare objects for equality, so what's the major differences between them?
5 Answers
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