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Why is volatile needed in C?
...olatile variable.
There are at least three common reasons to use it, all involving situations where the value of the variable can change without action from the visible code: When you interface with hardware that changes the value itself; when there's another thread running that also uses the ...
Why can't I call read() twice on an open file?
...ntents of a given file twice using the read() method. Strangely, when I call it the second time, it doesn't seem to return the file content as a string?
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I don't understand -Wl,-rpath -Wl,
...separated list of arguments to the linker. So
gcc -Wl,aaa,bbb,ccc
eventually becomes a linker call
ld aaa bbb ccc
In your case, you want to say "ld -rpath .", so you pass this to gcc as -Wl,-rpath,. Alternatively, you can specify repeat instances of -Wl:
gcc -Wl,aaa -Wl,bbb -Wl,ccc
Note tha...
Can a shell script set environment variables of the calling shell? [duplicate]
..., when run, will set some environment variables that will stay set in the caller's shell.
21 Answers
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How do you run CMD.exe under the Local System Account?
I'm currently running Vista and I would like to manually complete the same operations as my Windows Service. Since the Windows Service is running under the Local System Account, I would like to emulate this same behavior. Basically, I would like to run CMD.EXE under the Local System Account.
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How to tell git to use the correct identity (name and email) for a given project?
...hat one inside a repo will set the configuration on THAT repo, and not globally.
Seems like that's pretty much what you're after, unless I'm misreading you.
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Alternatives to JavaScript
...ipt is like Java because it has similar syntax and a similar name, but actually it's a lot more like lisp. It's actually pretty well suited to DOM manipulation.
The real problem is that it's compiled by the browser, and that means it works in a very different way depending on the client.
Not only ...
In Objective-C, how do I test the object type?
...dited Apr 29 '13 at 6:02
Paras Joshi
19.8k1111 gold badges5353 silver badges6969 bronze badges
answered Jul 17 '09 at 17:28
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How do you merge two Git repositories?
...hub.com/rails/rails.git master
This will appear as a single commit where all files of Rails master branch are added into "rails" directory.
However the commit's title contains a reference to the old history tree:
Add 'rails/' from commit <rev>
Where <rev> is a SHA-1 commit hash. ...
Fast way of finding lines in one file that are not in another?
...ind lines common to both files
comm -12 file1 file2
The man file is actually quite readable for this.
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