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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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Is R's apply family more than syntactic sugar?
...regarding execution time and / or memory.
5 Answers
5
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Random number generator only generating one random number
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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 ...
What is the precise meaning of “ours” and “theirs” in git?
... stage #2" internally. But as you note, it's not actually in place at the time, so it should not have an effect here ... well, not unless you copy it into the work tree before you start.
Also, by the way, this applies to all uses of ours and theirs, but some are on a whole file level (-s ours for ...
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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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 is so bad about singletons? [closed]
...r test rather difficult in many cases.
They carry state around for the lifetime of the application. Another hit to testing since you can end up with a situation where tests need to be ordered which is a big no no for unit tests. Why? Because each unit test should be independent from the other.
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Left-pad printf with spaces
...nts like the one above, or do it in a loop, changing the value of ptr each time.
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What Process is using all of my disk IO
... this might help.
Use top, then use these shortcuts:
d 1 = set refresh time from 3 to 1 second
1 = show stats for each cpu, not cumulated
This has to show values > 1.0 wa for at least one core - if there are no diskwaits, there is simply no IO load and no need to look further. Significan...
Simple explanation of MapReduce?
...result + 9 = 15 + 9 = 24
But you don't want to start with zeroes all the time, so the first argument is there to let you specify a seed value specifically the value in the first result = line.
say you want to sum 2 lists, it might look like this:
A = [7, 8, 9]
B = [1, 2, 3]
sum = 0
sum = A.reduc...