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ssh: The authenticity of host 'hostname' can't be established
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As long as you know what you are doing, this is the best solution. I have an internal web site we automatically connect to that has MANY, updating (effectively random) IP addresses. I added this to the ~/.ssh/config and it just works. Mind yo...
How to delete multiple values from a vector?
... not match, but I'd include it for the sake of readability.
This is, btw., what setdiff does internally (but without the unique to throw away duplicates in a which are not in remove).
If remove contains incomparables, you'll have to check for them individually, e.g.
if (any (is.na (remove)))
a &...
Why does 1==1==1 return true, “1”==“1”==“1” return true, and “a...
...s which are equal when operands
refer to the same object in memory.
So what happens in c is that "a" is converted to a number (giving NaN) and the result is strictly compared to true converted to a number (giving 1).
Since 1 === NaN is false, the third function returns false. It's very easy to ...
Is the pImpl idiom really used in practice?
...brary, especially a proprietary one, it might be desirable not to disclose what other libraries / implementation techniques were used to implement the public interface of your library. Either because of Intellectual Property issues, or because you believe that users might be tempted to take dangerou...
Best data type to store money values in MySQL
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what could be the difference between decimal and numeric data type for this case?
– Emilio Gort
Feb 6 '14 at 20:04
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Does using “new” on a struct allocate it on the heap or stack?
... deal with just the new operator.
Secondly, all of this really depends on what level you're talking about. I'm looking at what the compiler does with the source code, in terms of the IL it creates. It's more than possible that the JIT compiler will do clever things in terms of optimising away quite...
final keyword in method parameters [duplicate]
... return pathname.getName().endsWith(extension);
}
};
// What would happen when it's allowed to change extension here?
// extension = "foo";
return fileFilter;
}
Removing the final modifier would result in compile error, because it isn't guaranteed anymore that the value...
HTTP POST using JSON in Java
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Here is what you need to do:
Get the Apache HttpClient, this would enable you to make the required request
Create an HttpPost request with it and add the header application/x-www-form-urlencoded
Create a StringEntity that you will p...
Convert JavaScript String to be all lower case?
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what is time and space complexity of toLowerCase() function?
– Ramzan Chasygov
Apr 4 '18 at 17:41
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Preloading images with jQuery
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What's the advantage of inserting them into the DOM?
– alex
May 7 '13 at 21:56
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