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What is Bit Masking?
I am fairly new to C programming, and I encountered bit masking. Can someone explain to me the general concept and function of bit masking? Examples are much appreciated.
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How to create permanent PowerShell Aliases
I want to create an alias of a cmdlet that doesn't expire after I close the current session of Powershell, let's say I have this alias :
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Converting String to “Character” array in Java
I want to convert a String to an array of objects of Character class but I am unable to perform the conversion. I know that I can convert a String to an array of primitive datatype type "char" with the toCharArray() method but it doesn't help in converting a String to an array of objects of C...
VS2013 permanent CPU usage even though in idle mode
I've recently updated VS2013 to Update 1 and since then VS takes CPU usage to 25% (on a 4 cores intel i5 cpu) permanently even though it's supposed to be idle. I thought it has some unfinished background processes so I left it running for a while but it keeps using the cpu when it's supposed to be i...
What is boxing and unboxing and what are the trade offs?
I'm looking for a clear, concise and accurate answer.
8 Answers
8
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Objective-C parse hex string to integer
...ould like to know how to parse a hex string, representing a number, in Objective-C. I am willing to use both an objective, or a C-based method, either is fine.
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Equivalent of “throw” in R
How does one "throw" an error in R? I have a function that takes a data frame and some column names and does stuff with them. If the columns don't exist, I want the function to stop and to stop all functions depending on it.
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What are 'closures' in .NET?
What is a closure ? Do we have them in .NET?
11 Answers
11
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How do I use sudo to redirect output to a location I don't have permission to write to?
I've been given sudo access on one of our development RedHat linux boxes, and I seem to find myself quite often needing to redirect output to a location I don't normally have write access to.
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How to change SmartGit's licensing option after 30 days of commercial use on ubuntu?
while installing smartgit 3.0.4 I checked the commercial licensing option, because I was just clicking "next" button : ) (30 day trial and then you have to buy it). Now today is my 31st day of using SG and I can't change my licensing options (reinstalling smartgit doesn't help) and I'm not able to u...