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How to get the first non-null value in Java?
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DaveDave
4,8091818 silver badges2525 bronze badges
49
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Why are these numbers not equal?
...835800170898437500"
sprintf("%.54f",0.9)
#[1] "0.900000000000000022204460492503130808472633361816406250"
You can see these numbers are different, but the representation is a bit unwieldy. If we look at them in binary (well, hex, which is equivalent) we get a clearer picture:
sprintf("%a",0.9)
#[...
How to make Git “forget” about a file that was tracked but is now in .gitignore?
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6025
.gitignore will prevent untracked files from being added (without an add -f) to the set of file...
Expand div to max width when float:left is set
... Xavier J
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answered Apr 10 '12 at 22:07
alanaktionalanaktion
1,29811 g...
Any good, visual HTML5 Editor or IDE? [closed]
...ngine.
– Zhao Xiang
Sep 12 '12 at 8:25
What version of Eclipse are you using?
– VenomVendor
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How can I view all the git repositories on my machine?
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bopapa_1979bopapa_1979
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Capturing touches on a subview outside the frame of its superview using hitTest:withEvent:
...misbehaving" view
– Hudi Ilfeld
Jun 25 at 12:27
add a comment
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Default value of 'boolean' and 'Boolean' in Java
... knowledge.
– LoBo
Oct 29 '15 at 13:07
2
'Lack of knowledge' implies that there is some expected ...
How to get only time from date-time C# [closed]
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You have many options for this:
DateTime dt = DateTime.Parse("6/22/2009 07:00:00 AM");
dt.ToString("HH:mm"); // 07:00 // 24 hour clock // hour is always 2 digits
dt.ToString("hh:mm tt"); // 07:00 AM // 12 hour clock // hour is always 2 digits
dt.ToString("H:mm"); // 7:00 // 24 hour clock
dt.ToSt...
Convert dmesg timestamp to custom date format
...k" /proc/sched_debug | head -1
.clock : 32103895072.444568
# uptime
15:54:05 up 371 days, 19:09, 4 users, load average: 3.41, 3.62, 3.57
# cat /proc/uptime
32123362.57 638648955.00
Accounting for the CPU uptime being in milliseconds, there's an offset of nearly 5 1/2 ...