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How to open a file for both reading and writing?
...better you explain why seek and truncate is used here. Most of the readers come from google and do copy-paste.
– Shiplu Mokaddim
Mar 13 '19 at 10:58
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What does && mean in void *p = &&abc;
...nction.
void *p = &&abc is illegal in standard C99 and C++.
This compiles with g++.
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Why Collections.sort uses merge sort instead of quicksort?
...ingle best sorting algorithm. QuickSort has
two major deficiencies when compared to mergesort:
It's not stable (as parsifal noted).
It doesn't guarantee n log n performance; it can degrade to quadratic performance on pathological inputs.
Stability is a non-issue for primitive t...
Difference between Document-based and Key/Value-based databases?
...e values like you would in an SQL database. If your application needs more complex queries, your application will have to create and maintain indexes in order to access the desired data.
Document databases support queries by key and map-reduce functions as well, but also allow you to do basic queri...
In Eclipse, can I have multiple Console views at once, each showing a different Console?
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Is cout synchronized/thread-safe?
...hat cout is buffered. Even if the calls to write (or whatever it is that accomplishes that effect in that particular implementation) are guaranteed to be mutually exclusive, the buffer might be shared by the different threads. This will quickly lead to corruption of the internal state of the stream....
CFLAGS vs CPPFLAGS
I understand that CFLAGS (or CXXFLAGS for C++) are for the compiler, whereas CPPFLAGS is used by the preprocessor.
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How to call function from another file in go language?
... function with a given name in a package.
Remove the main in test2.go and compile the application. The demo function will be visible from test1.go.
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Do browsers send “\r\n” or “\n” or does it depend on the browser?
...e terminator for message-header fields is the sequence CRLF. However, we recommend that applications, when parsing such headers, recognize a single LF as a line terminator and ignore the leading CR.
I think that is a good strategy in general: be strict about what you produce but liberal in what yo...
T-SQL - function with default parameters
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