
How to write log base (2) in c/c++ - Stack Overflow
All the above answers are correct. This answer of mine below can be helpful if someone needs it. I have seen this requirement in many questions which we are solving using C. log2 (x) = logy (x) / logy (2) However, if you are using C language and you want the result in integer, you can use the following: int result = (int)(ceil(log(x) / log(2)));
Logging library for C - Stack Overflow
2015年5月15日 · At first you must init log. with init_log() function. First argument is log filename, second argument is log to file (1 enabled, 0 disabled) and third argument is max log level . init_slog("example", 1, 3); print and log something
How can you use Ln function in C programing? - Stack Overflow
2015年12月10日 · The C function log is the natural logarithm, which mathematicians usually write as "ln". The C function log10 is the logarithm base 10, which is sometimes written "log". Share
logging - How to write log file in c#? - Stack Overflow
2013年11月25日 · How would I write a log file in c#? Currently i have a timer with this statement which ticks every 20 secs: File.WriteAllText(filePath+"log.txt", log); For everything that i want logged i do thi...
c - How to compute log base 2 using bitwise operators ... - Stack …
@SKLAK: From a quick test, on an x86_64 with Apple clang 4.1 -O2, doing one step of divide-and-conquer gives a 2.9x speedup on 64-bit numbers, and two steps a 3.3x, but the fastest method from rajneesh's link is 5.8x faster (assuming I …
c - Compute fast log base 2 ceiling - Stack Overflow
2010年7月17日 · int floor_log2_simple(unsigned long long n) { int c = 0; while (n) { n >>= 1; c++; } return c - 1; } These same algorithms implemented in Rust performed nearly identically. The top approach performed a tiny amount better - but by only by a couple nano seconds on average.
How to log an c++ exception - Stack Overflow
2010年1月22日 · catch(FirstException &exc){ log << "Failed because FirstException\n"; }catch(SecondException &exc){ log << "Failed because SecondException\n"; } After, and if you are lucky enough the exceptions thrown by Manage.Gere may include some extra info about the crash which you could log as well.
Advanced styling of browser console.log - Stack Overflow
The output of console.log can be styled and the basics are covered at the StackOverflow question Colors in JavaScript console. Basic Styling console.log('%c Oh my heavens! ', 'background: #222; color: #bada55'); Advanced Styling. What about advanced styles? How far can console.log be styled? How about images? Using background-image doesn't seem ...
ImportError: No module named pywintypes - Stack Overflow
For me it worked to copy the files (pythoncom38.dll and pywintypes38.dll) from: C:\Users\"Your user id"\AppData\Roaming\Python\Python38\site-packages\pywin32_system32
#define macro for debug printing in C? - Stack Overflow
2019年2月25日 · Level 3 is the most information. // Levels 2 and 1 have progressively more. Thus, you can write: // DEBUGLOG_LOG(1, "a number=%d", 7); // and it will be seen if DEBUG is anything other than undefined or zero. If you write // DEBUGLOG_LOG(3, "another number=%d", 15); // it will only be seen if DEBUG is 3.