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How can I save my secret keys and password securely in my version control system?
...s to put them under source - in a properties file of some sort. This is an error-prone process, and is especially complicated for open source apps which often have to maintain separate (and private) branches with app-specific configurations.
A better solution is to use environment variables, an...
Why is whitespace sometimes needed around metacharacters?
...run it in a shell it doesn't start a fork bomb, but it just gives a syntax error.
5 Answers
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Use RSA private key to generate public key?
... as evidently the output of that is a pem format public key. So I got this error: "Key is invalid. It must begin with 'ssh-rsa' or 'ssh-dss'. Check that you're copying the public half of the key". However ssh-keygen -y [-f input_keyfile] generates the correct format that Github takes.
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How to return a file using Web API?
...oon as the variable goes out of scope, .NET will dispose it and you'll get error messages about the underlying connection being closed.
– Brandon Montgomery
Sep 26 '12 at 21:44
48
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How to reuse an ostringstream?
...{
d_str.clear();
d_str.seekp(0); // Or else you'll get an error with this seek
d_str << value << std::ends;
StrFunc(d_str.str().c_str()); // And your string will be empty
}
};
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convert String to DateTime
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works nicely in Rails 3.2.3 using Ruby 1.9.3 ... "2012-05-16 02:30 UTC".to_datetime => Wed, 16 May 2012 02:30:00 +0000
– Tilo
May 22 '12 at 21:59
59
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Python datetime - setting fixed hour and minute after using strptime to get day,month,year
...nd disappear?
– PV8
Mar 1 '19 at 14:05
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Parsing IPv6 extension headers containing unknown extensions
...eader is in some way optional (it had better be), you will receive an ICMP error about that and can try again without it.
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Difference between std::result_of and decltype
...a SFINAE-friendly expression, whereas std::result_of could give you a hard error instead of a deduction failure. That has been corrected in C++14: std::result_of is now required to be SFINAE-friendly (thanks to this paper).
So on a conforming C++14 compiler, std::result_of_t<F(Args...)> is st...
Create Pandas DataFrame from a string
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I found (by trial&error) that read_fwf takes more of read_csvs arguments than is documented, but it's true that some have no effect.
– gerrit
Jan 20 at 16:12
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