That is taking the parameter by reference. So in the first case you are taking a pointer parameter by reference so whatever modification you do to the value of the pointer is reflected outside the function. Second is the simlilar to first one with the only difference being that it is a double pointer. See … Read more
Try to replace it with °, and also to set the charset to utf-8, as Martin suggests. °C will get you something like this:
At least in the case of static libraries you can work around it quite conveniently. Consider those headers of libraries foo and bar. For the sake of this tutorial I’ll also give you the source files examples/ex01/foo.h int spam(void); double eggs(void); examples/ex01/foo.c (this may be opaque/not available) int the_spams; double the_eggs; int spam() { return … Read more
gcc being a compiler/linker, its -s option is something done while linking. It’s also not configurable – it has a set of information which it removes, no more no less. strip is something which can be run on an object file which is already compiled. It also has a variety of command-line options which you … Read more
That’s the “forall” (for all) symbol, as seen in Wikipedia’s table of mathematical symbols or the Unicode forall character (\u2200, ∀).
TL;DR A simple rule of thumb is to use symbols every time you need internal identifiers. For Ruby < 2.2 only use symbols when they aren’t generated dynamically, to avoid memory leaks. Full answer The only reason not to use them for identifiers that are generated dynamically is because of memory concerns. This question is … Read more
The HTML entity for the Indian rupee sign is ₹ (₹). Use it like you would © for the copyright sign. For more, read Wikipedia’s article on the rupee sign.
You can use file and objdump on Linux. In particular, you can look at whether file says “stripped” or “not stripped” (under my Ubuntu 20.04.1 LTS, whether an executable is compiled with -g or not shows not stripped with file command. But the one with -g, shows with debug_info, in addition to that), and whether … Read more
Unicode Standard for Media Control Symbols Pause: ⏸︎ The Unicode Standard 13.0 (update 2020) provides the Miscellaneous Technical glyphs in the HEX range 2300–23FF Miscellaneous Technical Given the extensive Unicode 13.0 documentation, some of the glyphs we can associate to common Media control symbols would be as following: Keyboard and UI symbols 23CF ⏏︎ Eject … Read more
Hit CTRL+R, or CMD+R for Mac, for the function list. This works in Sublime Text 1.3 or above.