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How to prevent SIGPIPEs (or handle them properly)
I have a small server program that accepts connections on a TCP or local UNIX socket, reads a simple command and, depending on the command, sends a reply. The problem is that the client may have no interest in the answer sometimes and exits early, so writing to that socket will cause a SIGPIPE and m...
Insert Update trigger how to determine if insert or update
I need to write an Insert, Update Trigger on table A which will delete all rows from table B whose one column (say Desc) has values like the value inserted/updated in the table A's column (say Col1). How would I go around writing it so that I can handle both Update and Insert cases. How would I dete...
Cleanest way to write retry logic?
Occasionally I have a need to retry an operation several times before giving up. My code is like:
29 Answers
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Using Razor, how do I render a Boolean to a JavaScript variable?
How do I render a Boolean to a JavaScript variable in a cshtml file?
6 Answers
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Convert pem key to ssh-rsa format
...e a certificate in der format, from it with this command I generate a public key:
8 Answers
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clearing a char array c
I thought by setting the first element to a null would clear the entire contents of a char array.
16 Answers
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RuntimeWarning: DateTimeField received a naive datetime
I m trying to send a simple mail using IPython. I have not set up any models still getting this error. What can be done?
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Test if characters are in a string
...m trying to determine if a string is a subset of another string. For example:
9 Answers
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std::string to float or double
...t is a valid C++ syntax to convert a string to a double.
You can do it with the stringstream or boost::lexical_cast but those come with a performance penalty.
Ahaha you have a Qt project ...
QString winOpacity("0.6");
double temp = winOpacity.toDouble();
Extra note:
If the input data is a con...
Colorizing text in the console with C++
How can I write colored text to the console with C++? That is, how can I write different text with different colors?
12 Ans...