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C++ obtaining milliseconds time on Linux — clock() doesn't seem to work properly

...ts. You'll get a structure like the following: struct timeval { time_t tv_sec; suseconds_t tv_usec; } EDIT: As the two comments below suggest, clock_gettime(CLOCK_MONOTONIC) is a much better choice if you have it available, which should be almost everywhere these days. EDIT: Someone else co...
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Execution time of C program

... You functionally want this: #include <sys/time.h> struct timeval tv1, tv2; gettimeofday(&tv1, NULL); /* stuff to do! */ gettimeofday(&tv2, NULL); printf ("Total time = %f seconds\n", (double) (tv2.tv_usec - tv1.tv_usec) / 1000000 + (double) (tv2.tv_sec - tv1.tv_s...
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How to Calculate Execution Time of a Code Snippet in C++

...cond (10^-3) intervals */ return ret; #else /* Linux */ struct timeval tv; gettimeofday(&tv, NULL); uint64 ret = tv.tv_usec; /* Convert from micro seconds (10^-6) to milliseconds (10^-3) */ ret /= 1000; /* Adds the seconds (10^0) after converting them to milliseconds (10^-3) */ ret ...
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Is there an alternative sleep function in C to milliseconds?

...on. It is defined as follows: struct timespec { time_t tv_sec; /* seconds */ long tv_nsec; /* nanoseconds */ }; An example msleep() function implemented using nanosleep(), continuing the sleep if it is interrupted by a signal: #include <tim...
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Broadcast receiver for checking internet connection in android app

...on; import android.view.animation.AnimationUtils; import android.widget.TextView; import com.keshav.networkchangereceiverexample.receivers.NetworkChangeReceiver; public class MainActivity extends AppCompatActivity { private BroadcastReceiver mNetworkReceiver; static TextView tv_check_conn...
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Converting a view to Bitmap without displaying it in Android?

...Try this, /** * Draw the view into a bitmap. */ public static Bitmap getViewBitmap(View v) { v.clearFocus(); v.setPressed(false); boolean willNotCache = v.willNotCacheDrawing(); v.setWillNotCacheDrawing(false); // Reset the drawing cache background color to fully transparen...
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iPhone: How to get current milliseconds?

...t; struct timeval time; gettimeofday(&time, NULL); long millis = (time.tv_sec * 1000) + (time.tv_usec / 1000); share | improve this answer | follow | ...
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Set the layout weight of a TextView programmatically

...and add them to a TableLayout . The TableRow objects has 2 items, a TextView and a CheckBox . The TextView items need to have their layout weight set to 1 to push the CheckBox items to the far right. ...
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Tracking the script execution time in PHP

...Script end function rutime($ru, $rus, $index) { return ($ru["ru_$index.tv_sec"]*1000 + intval($ru["ru_$index.tv_usec"]/1000)) - ($rus["ru_$index.tv_sec"]*1000 + intval($rus["ru_$index.tv_usec"]/1000)); } $ru = getrusage(); echo "This process used " . rutime($ru, $rustart, "utime") . "...
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Detect current device with UI_USER_INTERFACE_IDIOM() in Swift

...yle UI case pad // iPad style UI @available(iOS 9.0, *) case tv // Apple TV style UI @available(iOS 9.0, *) case carPlay // CarPlay style UI } so for the strict definition of the device can be used this code struct ScreenSize { static let SCREEN_WIDTH = UIScree...