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C++ Tuple vs Struct
...// print(data);
}
Performance results collected with clang-4.0.0
Celero
Timer resolution: 0.001000 us
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Group | Experiment | Prob. Space ...
Tying in to Django Admin's Model History
...try.objects.exclude(change_message="No fields changed.").order_by('-action_time')[:20]
logCount = LogEntry.objects.exclude(change_message="No fields changed.").order_by('-action_time')[:20].count()
return render(request, template, {"logs":logs, "logCount":logCount})
As seen in the above c...
List of standard lengths for database fields
...t have business rules, such as "a person can only have one legal name at a time, but multiple pseudonyms at a time".
Some examples:
names: [
{
type:"POLYNYM",
role:"LEGAL",
given:"George",
middle:"Herman",
moniker:"Babe",
surname:"Ruth",
generation:"JUNIOR"
},
{
...
Scala Doubles, and Precision
...h floor n * s) / s }
Similar can be done for the rounding function, this time using currying:
def roundAt(p: Int)(n: Double): Double = { val s = math pow (10, p); (math round n * s) / s }
which is more reusable, e.g. when rounding money amounts the following could be used:
def roundAt2(n: Doub...
Node package ( Grunt ) installed but not available
...mmand line tools are not included with the latest version of Grunt (0.4 at time of writing) instead you need to install them separately.
This is a good idea because it means you can have different versions of Grunt running on different projects but still use the nice concise grunt command to run th...
Is R's apply family more than syntactic sugar?
...regarding execution time and / or memory.
5 Answers
5
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How can you detect the version of a browser?
...ontain my own browser detect script, but I found that I do not have enough time to keep it up to date. Therefore I removed it."
– Neolisk
Aug 24 '16 at 17:37
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...
Random number generator only generating one random number
...
Every time you do new Random() it is initialized using the clock. This means that in a tight loop you get the same value lots of times. You should keep a single Random instance and keep using Next on the same instance.
//Function ...
Java 8: performance of Streams vs Collections
...p writing benchmarking code by hand, use JMH.
Proper benchmarks:
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@BenchmarkMode(Mode.AverageTime)
@OperationsPerInvocation(StreamVsVanilla.N)
public class StreamVsVanilla {
public static final int N = 10000;
static List<Integer> sourceList = ne...
What's the cleanest way of applying map() to a dictionary in Swift?
...introduced these features, I brought up this Stack Overflow answer several times, and I think the sheer number of upvotes helped demonstrate the demand. So thanks for your help making Swift better!
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