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What do 'real', 'user' and 'sys' mean in the output of time(1)?
...8.2.0, glibc 2.28, Linux kernel 4.18, ThinkPad P51 laptop, Intel Core i7-7820HQ CPU (4 cores / 8 threads), 2x Samsung M471A2K43BB1-CRC RAM (2x 16GiB).
sleep
Non-busy sleep does not count in either user or sys, only real.
For example, a program that sleeps for a second:
#define _XOPEN_SOURCE 700
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How exactly does the callstack work?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jun 1 '14 at 16:24
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Hash collision in git
...here are not 2^48 lottery tickets printed, however -- only millions (maybe 200 million total per year.. who knows?), and there is a winning lottery. The probability is much higher, and for some lottery tickets, the winning ticket is always printed; so, the winner is inevitable (unless the winning ti...
What is an application binary interface (ABI)?
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answered Dec 30 '16 at 20:40
LakeyLakey
1,4221515 silver badges2828 bronze badges
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Difference between Char.IsDigit() and Char.IsNumber() in C#
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– Shimmy Weitzhandler
Oct 26 '11 at 20:26
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@Shimmy try to parse it into an int
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How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]
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KGhatakKGhatak
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Microsecond timing in JavaScript
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Revisiting my year 2012 comment. performance.now() is now kinda fuzzied up again slightly by Meltdown/Spectre workarounds. Some browsers have seriously degraded performance.now() due to security reasons. I think my technique has probably regain...
Can you explain the HttpURLConnection connection process?
...iter.close();
// if there is a response code AND that response code is 200 OK, do
// stuff in the first if block
if (connection.getResponseCode() == HttpURLConnection.HTTP_OK) {
// OK
// otherwise, if any other status code is returned, or no status
// code is ret...
Making custom right-click context menus for my web-app
...been lately, I decided to update also the styles to make it look more like 2014 and less like windows 95. I fixed the bugs @Quantico and @Trengot spotted so now it's a more solid answer.
EDIT 2: I set it up with StackSnippets as they're a really cool new feature. I leave the good jsfiddle here for ...
Using IQueryable with Linq
...ce standpoint, you may only return 2 records across the network instead of 20,000....
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