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How do you change the server header returned by nginx?
...n, replacing Nginx's standard HttpHeadersModule with the forked HttpHeadersMoreModule. Recompiling the standard module is still the quick fix, and makes sense if you want to use the standard module and won't be changing the server string often. But if you want more than that, the HttpHeadersMoreModu...
Is it better to use std::memcpy() or std::copy() in terms to performance?
...was passed in to the function as a function parameter.
I did a little bit more testing to see what I could do to make std::copy faster again. The answer turned out to be simple: turn on link time optimization. These are my results with LTO turned on (option -flto in gcc):
Time (in seconds) to comp...
java.sql.SQLException: - ORA-01000: maximum open cursors exceeded
.... In the context of Java, it happens when the application attempts to open more ResultSets than there are configured cursors on a database instance.
Common causes are:
Configuration mistake
You have more threads in your application querying the database than cursors on the DB. One case is where...
How do I get the number of days between two dates in JavaScript?
...ad the documentation for the Date object and its methods, and for anything more complicated, strongly consider using a library that offers more safe and powerful APIs for date manipulation.
Numbers and Dates -- MDN JavaScript Guide
Date -- MDN JavaScript reference
Also, for illustration purposes...
What is JavaScript's highest integer value that a number can go to without losing precision?
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Best way to serialize an NSData into a hexadeximal string
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Nice, but two suggestions: (1) I think appendFormat is more efficient for large data since it avoids creating an intermediate NSString and (2) %x represents an unsigned int rather than unsigned long, although the difference is harmless.
– svachalek
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What are the drawbacks of Stackless Python? [closed]
...his gives people a skewed idea that Stackless is games-oriented, when it's more that games are more easily continuation oriented.
Another difficulty has been the source code. In its original form it required changes to many parts of Python, which made Guido van Rossum, the Python lead, wary. Part o...
What is the Swift equivalent to Objective-C's “@synchronized”?
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You can use GCD. It is a little more verbose than @synchronized, but works as a replacement:
let serialQueue = DispatchQueue(label: "com.test.mySerialQueue")
serialQueue.sync {
// code
}
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Check for column name in a SqlDataReader object
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What is the difference between #import and #include in Objective-C?
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