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Add Keypair to existing EC2 instance
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Now, one your local machine chmod john to 600.
$ chmod 600 john
Step 5: time to test your key:
$ ssh -i john john@111.111.11.111
So, in this manner, you can setup multiple users to use one EC2 instance!!
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Pointer to pointer clarification
...means the same as "assign to ip1". Since you didn't assign to ipp a second time, it didn't change!
If you wanted to change ipp then you'll have to actually assign to ipp:
ipp = &ip2;
for instance.
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Understanding implicit in Scala
...leave the compiler to look for any valid candidate object to pass in every time it comes across a method call that requires an instance of the request. Since you do have a request available, all you need to do is to mark it as implicit.
You explicitly mark it as available for implicit use.
You hin...
What is the canonical way to check for errors using the CUDA runtime API?
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Probably the best way to check for errors in runtime API code is to define an assert style handler function and wrapper macro like this:
#define gpuErrchk(ans) { gpuAssert((ans), __FILE__, __LINE__); }
inline void gpuAssert(cudaError_t code, const char *file, int line, bo...
Using Pylint with Django
...I like the idea of a Django-specific pylint, but it seems a big buggy last time I tried it.
– Wernight
Jul 20 '10 at 22:23
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How can I convert a comma-separated string to an array?
...ne value, and we can also check
// the length of the string or time and cross-check too.
ResultArray = [CommaSepStr];
}
}
return ResultArray;
}
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What are the differences between Generics in C# and Java… and Templates in C++? [closed]
...piler is just putting List<Person> into the .NET dll file, but at runtime the JIT compiler goes and builds a new set of code, as if you had written a special list class just for containing people - something like ListOfPerson.
The benefit of this is that it makes it really fast. There's no ca...
In pure functional languages, is there an algorithm to get the inverse function?
...: ls)
Since this first B0 in the output must have come after some finite time, we have an upper bound n on both the depth to which inv had actually evaluated our test input to obtain this result, as well as the number of times it can have called f. Define now a family of functions
g j (B1 : B0 : ...
Filtering collections in C#
...s where performance matters. (FWIW, I got results from factor 7 to 50 more time needed by Linq and/or IEnumerable, generally)
– Philm
May 9 '17 at 17:33
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Android Log.v(), Log.d(), Log.i(), Log.w(), Log.e() - When to use each one?
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I did not believe Log.wtf I even checked couple of times and laughed really out loud .. In my opinion, All APIs should have something like this within
– MBH
Feb 5 '16 at 7:35
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