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What is the strict aliasing rule?

...n(void) { // Get a 32-bit buffer from the system uint32_t* buff = malloc(sizeof(Msg)); // Alias that buffer through message Msg* msg = (Msg*)(buff); // Send a bunch of messages for (int i = 0; i < 10; ++i) { msg->a = i; msg->b = i+1;...
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Emacs: print key binding for a command or list all key bindings

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Days between two dates? [duplicate]

...est for calendar checks. from datetime import timedelta, datetime def cal_days_diff(a,b): A = a.replace(hour = 0, minute = 0, second = 0, microsecond = 0) B = b.replace(hour = 0, minute = 0, second = 0, microsecond = 0) return (A - B).days if __name__ == '__main__': x = datetime...
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What does static_assert do, and what would you use it for?

...fined (as one would expect in a C++ library). Contrast with having to actually compile SomeLibrary and your code, link everything, and run the executable only then to find out that you spent 30 minutes compiling an incompatible version of SomeLibrary. @Arak, in response to your comment: yes, you ...
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how to create a file name with the current date & time in python?

... human readable. from datetime import datetime datetime.now().strftime("%Y_%m_%d-%I_%M_%S_%p") '2020_08_12-03_29_22_AM' share | improve this answer | follow ...
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Checking for a dirty index or untracked files with Git

...din, command line options, arguments, etc. will produce the same output in all versions of Git where the command/option exists). New output variations in plumbing commands can be introduced via new options, but that can not introduce any problems for programs that have already been written against o...
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How would one call std::forward on all arguments in a variadic function?

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How to list the tables in a SQLite database file that was opened with ATTACH?

....schema tablename Print the entire table: SELECT * FROM tablename; List all of the available SQLite prompt commands: .help share | improve this answer | follow ...
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Is it possible to set private property via reflection?

...lic, you apparently don't need to use BindingFlags.NonPublic to find it. Calling SetValue despite the the setter having less accessibility still does what you expect. share | improve this answer ...
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.Net HttpWebRequest.GetResponse() raises exception when http status code 400 (bad request) is return

... I had similar issues when trying to connect to Google's OAuth2 service. I ended up writing the POST manually, not using WebRequest, like this: TcpClient client = new TcpClient("accounts.google.com", 443); Stream netStream = client.GetStream(); SslStream sslStream = new SslStream(netSt...