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2. Format date and time in a Windows batch script - Stack Overflow

   stackoverflow.com/questions/1192476

   In a Windows (Windows XP) batch script I need to format the current date and time for later use in files names, etc. It is similar to Stack Overflow question How to append a date in batch fil...

3. How do I get the current time in Python? - Stack Overflow

   stackoverflow.com/questions/415511

   As I say above regarding ctime: "You can also represent the current time in the way preferred by your operating system (which means it can change when you change your system preferences, so don't rely on this to be standard across all systems, as I've seen others expect).

4. Get the current time in C - Stack Overflow

   stackoverflow.com/questions/5141960

   time_t current_raw_time = time(0); // System time: number of seconds since 00:00, Jan 1 1970 UTC struct tm day_time; localtime_s(&day_time, &current_raw_time); day_time will have the following members:

5. How to get Time from DateTime format in SQL? - Stack Overflow

   stackoverflow.com/questions/7710449

   For anyone not following, 0 represents the min date 1900-01-01.So this gets the (negative) number of days between the column value and 0, then adds those negative days to the column value which "zeros out" the date portion to 1900-01-01 and you're left with only the time.

6. How do I measure elapsed time in Python? - Stack Overflow

   stackoverflow.com/questions/7370801

   Using time.time to measure execution gives you the overall execution time of your commands including running time spent by other processes on your computer. It is the time the user notices, but is not good if you want to compare different code snippets / algorithms / functions / ... More information on timeit: Using the timeit Module

7. How do I find the time difference between two datetime objects in...

   stackoverflow.com/questions/1345827

   Subtracting the later time from the first time difference = later_time - first_time creates a datetime object that only holds the difference. In the example above it is 0 minutes, 8 seconds and 562000 microseconds.

8. Difference of two date time in sql server - Stack Overflow

   stackoverflow.com/questions/2116540

   2) You can use the function GETDATE() to get the actual time and calculate differences of some date and actual date: select datediff(day,'1997-10-07', getdate() ) 3) Another important function is DATEADD() , used to convert some value in datetime using the same datepart of the datediff, that you can add (with positive values) or substract (with ...

9. How do I get time of a Python program's execution?

   stackoverflow.com/questions/1557571

   time.perf_counter() Return the value (in fractional seconds) of a performance counter, i.e. a clock with the highest available resolution to measure a short duration. It does include time elapsed during sleep and is system-wide. time.process_time()

10. How to get current time and date in C++? - Stack Overflow

    stackoverflow.com/questions/997946

    Since C++ 11 you can use std::chrono::system_clock::now(). Example (copied from en.cppreference.com):. #include <iostream> #include <chrono> #include <ctime> int main ...

11. How can building a heap be O (n) time complexity? - Stack...

    stackoverflow.com/questions/9755721

    Why does heap sort require O(n log n) time? If it is possible to run buildHeap in linear time, why does heap sort require O(n log n) time? Well, heap sort consists of two stages. First, we call buildHeap on the array, which requires O(n) time if implemented optimally. The next stage is to repeatedly delete the largest item in the heap and put ...