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“unrecognized selector sent to instance” error in Objective-C
...ted a button and added an action for it, but as soon as it invoked, I got this error:
38 Answers
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How to shut down the computer from C#
What's the best way to shut down the computer from a C# program?
16 Answers
16
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Go > operators
Could someone please explain to me the usage of << and >> in Go? I guess it is similar to some other languages.
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“using namespace” in c++ headers
In all our c++ courses, all the teachers always put using namespace std; right after the #include s in their .h files. This seems to me to be dangerous since then by including that header in another program I will get the namespace imported into my program, maybe without realizing, intending or...
Could you explain STA and MTA?
Can you explain STA and MTA in your own words?
7 Answers
7
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mkdir's “-p” option
So this doesn't seem like a terribly complicated question I have, but it's one I can't find the answer to. I'm confused about what the -p option does in Unix. I used it for a lab assignment while creating a subdirectory and then another subdirectory within that one. It looked like this:
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How to get the instance id from within an ec2 instance?
How can I find out the instance id of an ec2 instance from within the ec2 instance?
32 Answers
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What is the right way to check for a null string in Objective-C?
I was using this in my iPhone app
20 Answers
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How to download image from url
Is there a way to download an image directly from a url in c# if the url does not have an image format at the end of the link? Example of url:
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git replacing LF with CRLF
... Windows XP machine, using bash. I exported my project from SVN, and then cloned a bare repository.
20 Answers
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