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How fast is D compared to C++?

... res += x[i] * y[i]; return res; } int main() { auto tm_before = Clock.currTime; auto countElapsed(in string taskName) { // Factor out printing code writeln(taskName, ": ", Clock.currTime - tm_before); tm_before = Clock.currTime; } // 1. alloc...
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What is the standard way to add N seconds to datetime.time in Python?

...this, you can look into using addSecs below: import datetime def addSecs(tm, secs): fulldate = datetime.datetime(100, 1, 1, tm.hour, tm.minute, tm.second) fulldate = fulldate + datetime.timedelta(seconds=secs) return fulldate.time() a = datetime.datetime.now().time() b = addSecs(a, 30...
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What is time_t ultimately a typedef to?

...this way (and I admit I did this myself in the '80's): time_t now; struct tm local_date_time; now = time(NULL); // convert, then copy internal object to our object memcpy (&local_date_time, localtime(&now), sizeof(local_date_time)); printf ("Year is: 19%02d\n", local_date_time.tm_year); T...
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How to find the JVM version from a program?

... "OpenJDK 64-Bit Server VM" "Java HotSpot(TM) 64-Bit Server VM" "Java HotSpot(TM) 64-Bit Server VM" Java Virtual Machine implementation name java.vm.vendor "Oracle Corporation" "Oracle Corporation" ...
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Where is JAVA_HOME on macOS Mojave (10.14) to Lion (10.7)?

...H' Test in terminal: % j8 % java -version java version "1.8.0_121" Java(TM) SE Runtime Environment (build 1.8.0_121-b13) Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13, mixed mode) % j9 % java -version java version "9" Java(TM) SE Runtime Environment (build 9+181) Java HotSpot(TM) 64-Bit Ser...
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Convert java.util.Date to String

..."Today is: " + todayAsString); From http://www.kodejava.org/examples/86.html share | improve this answer | follow | ...
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Split a List into smaller lists of N size

...nswered Jul 13 '12 at 3:37 Serj-TmSerj-Tm 13.7k33 gold badges4343 silver badges5555 bronze badges ...
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Can't start Eclipse - Java was started but returned exit code=13

... On Windows 7 with 64-bit Java 6 I get: java version "1.6.0_27" Java(TM) SE Runtime Environment (build 1.6.0_27-b07) Java HotSpot(TM) 64-Bit Server VM (build 20.2-b06, mixed mode) Note the 3rd line, which shows that this is a 64-bit version. On a 32-bit version you'll get something like:...
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How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?

...rsion is running, you'll get a message like: java version "1.6.0_18" Java(TM) SE Runtime Environment (build 1.6.0_18-b07) Java HotSpot(TM) 64-Bit Server VM (build 16.0-b13, mixed mode) A 32 bit version will show something similar to: java version "1.6.0_41" Java(TM) SE Runtime Environment (build...
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Why can't decimal numbers be represented exactly in binary?

... answered Jul 6 '09 at 20:22 TM.TM. 89.7k2929 gold badges118118 silver badges125125 bronze badges ...