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Boolean vs boolean in Java
... on 3rd line (bar)?1:0 illustrates that bar (boolean) cannot be implicitly converted (casted) into an int. I am bringing this up not to illustrate the details of implementation behind JVM, but to point out that in terms of low level considerations (as memory size) one does have to prefer values over...
Get the current time in C
...igured it out by now, but you would use the strptime function in time.h to convert from char * to struct tm
– KingRadical
Nov 5 '13 at 19:59
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What is the difference between SIGSTOP and SIGTSTP?
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@jlliagre I want to, but the system won't allow it, it says I can only cancel the downvote if the answer is edited…
– Archer
Jan 14 '19 at 12:17
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How to calculate time in hours between two dates in iOS
...are using Xcode just select help/documentation from the menu.
See: how-to-convert-an-nstimeinterval-seconds-into-minutes
--edit: See ÐąrέÐέvil's answer below for correctly handling daylight savings/leap seconds
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How to calculate the CPU usage of a process by PID in Linux from C?
... state (R is running, S is sleeping, D is sleeping in an
uninterruptible wait, Z is zombie, T is traced or stopped)
ppid process id of the parent process
pgrp pgrp of the process
sid session id
tty_nr tty the process uses
tty_pgrp pgr...
Freely convert between List and IEnumerable
How can I convert a List<MyObject> to an IEnumerable<MyObject> and then back again?
6 Answers
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C# 能否获取一个对象所占内存的大小？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...has been marshaled. In other words, it yields the size of the object when converted to an unmanaged representation. These sizes will certainly differ if the CLR’s loader has re-ordered small fields so they can be packed together on a tdAutoLayout type.
C# sizeof 对象大小
Track the time a command takes in UNIX/LINUX?
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And, the meaning of real/user/sys times is nicely covered here
– prideout
Nov 14 '14 at 17:16
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How to split() a delimited string to a List
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string.Split() returns an array - you can convert it to a list using ToList():
listStrLineElements = line.Split(',').ToList();
Note that you need to import System.Linq to access the .ToList() function.
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Determine if a function exists in bash
... do test_type; done
this generated :
real 0m0.064s
user 0m0.040s
sys 0m0.020s
type
real 0m2.769s
user 0m1.620s
sys 0m1.130s
declare is a helluvalot faster !
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