CommunicationException s are thrown with the message 'Error while reading line from the server' from time to time. The Predis part of an example stack trace: We couldn't find anything in common in the affected scripts. Some errors are from a local Redis server, some from a remote one. An example that sometimes generates this error: The script is run by Apache, browsers call it directly by URL, so there can be a lot of instances running at once.
Static-A static character is someone who does not change over time; his or her personality does not transform or evolve. Round-A rounded character is anyone who has a complex personality; he or she is often portrayed as a conflicted and contradictory person. Flat-A flat character is the opposite of a round character.
up vote 10 down vote. A static function simply means that the linker cannot export the function (i.e. make it visible to other translation units). It makes the function private to the current translation unit. It is the same as wrapping the function in an anonymous namespace. namespace { int Square(int i) { return i * i; } } Generally, using an anonymous namespace is the preferred C++ way of achieving this, instead of using the static keyword.