大约有 1,742 项符合查询结果（耗时：0.0107秒） [XML]
How can I “pretty print” a Duration in Java?
...DurationFormatUtils
e.g.
DurationFormatUtils.formatDurationHMS( 15362 * 1000 ) ) => 4:16:02.000 (H:m:s.millis)
DurationFormatUtils.formatDurationISO( 15362 * 1000 ) ) => P0Y0M0DT4H16M2.000S, cf. ISO8601
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Get DateTime.Now with milliseconds precision
...info: "{0:yyyyMMdd HH:mm:ss.fff}", DateTime.UtcNow -> 20180502 11:07:20.000 Win32.GetSystemTime(ref stime) -> 2018,2,5,11,7,20,0 (y m d h mm ss ms) I can create a instance of date time with milliseconds: var dt = new DateTime(2018, 5, 2, 19, 34, 55, 200); "{0:yyyyMMdd HH:mm:ss.fff}", dt -> ...
Find XOR of all numbers in a given range
...ven a large range [a,b] where 'a' and 'b' can be typically between 1 and 4,000,000,000 inclusive. You have to find out the XOR of all the numbers in the given range.
...
Is the != check thread safe?
...ass MyTest {
private static Integer count=1;
@Test(threadPoolSize = 1000, invocationCount=10000)
public void test(){
count = new Integer(new Random().nextInt());
Assert.assertFalse(count != count);
}
}
I have 2 fails on 10 000 invocations. So NO, it is NOT thread safe
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http to https apache redirection
...od ssl
2) Edit your site config
Edit file
/etc/apache2/sites-available/000-default.conf
Content should be:
<VirtualHost *:80>
RewriteEngine On
RewriteCond %{HTTPS} off
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}
</VirtualHost>
<VirtualHost *:443>
SSL...
Remove duplicate lines without sorting [duplicate]
...ay have also needed the lower memory use since I will be uniq'ing like 100,000,000 lines 8-). Just in case anyone else needs it, I just put a "-u" in the uniq portion of the command:
awk '{print(NR"\t"$0)}' file_name | sort -t$'\t' -k2,2 | uniq -u --skip-fields 1 | sort -k1,1 -t$'\t' | cut -f2 -d$...
How does tuple comparison work in Python?
...: x = tuple([0 for _ in range(n)]) and do the same for y. Setting n=100, 1000, 10,000, and 100,000 and running %timeit x==y gave timing values of .5, 4.6, 43.9, and 443 microseconds respectively, which is about as close to O(n) as you can practically get.
– Michael Scott Cuth...
MySQL vs MongoDB 1000 reads
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Do you have concurrency, i.e simultaneous users ? If you just run 1000 times the query straight, with just one thread, there will be almost no difference. Too easy for these engines :)
BUT I strongly suggest that you build a true load testing session, which means using an injector such as J...
PHP script to loop through all of the files in a directory?
... This is good unless you are dealing with a lot of files... > 10,000. You'll run out of memory.
– NexusRex
Apr 11 '11 at 23:21
...
SQL Server SELECT LAST N Rows
... for the performance, it is not bad (less than one second for more than 10,000 records On Server machine)
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