aclock | ascii analog clock for text console displays | Command Line Interface library
kandi X-RAY | aclock Summary
kandi X-RAY | aclock Summary
ascii analog clock for text console displays and terminals and terminal emulators
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aclock Key Features
aclock Examples and Code Snippets
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QUESTION
I was just trying to make a small hello world program as given below. Why nothing gets displayed.
...ANSWER
Answered 2020-May-15 at 09:37from kivy.app import App
from kivy.lang import Builder
KV = '''
:
orientation: 'vertical'
Label:
color: 1,0,1,1
text: '00:00:00'
AClock: # This is going to be the return value of Builder.load_string()
'''
class MyClock(App):
def build(self):
return Builder.load_string(KV)
if __name__ == '__main__':
MyClock().run()
QUESTION
I have a C program that runs on two different RHEL6 servers that are configured with the same timezone. The C program uses the time functions from time.h
. On one of the servers the local time is correctly determined, on the other one the UTC (default) time is displayed independent from the configured timezone.
I've tried to see if the link to /etc/localtime
is broken but it's a correct softlink to /usr/share/zoneinfo/
(in this case Europe/Berlin).
I've inspected the timezone file with zdump
and the content of the file is correct. The timezone and time of the system is also correctly displayed using date
. There is no definition of the $TZ
variable in my bash or anywhere else!
As an additional test I have run the follwing code with and without a $TZ
variable:
ANSWER
Answered 2018-Apr-25 at 07:30I finally figured out, that the problem was the libc.so
library, which was differently compiled for one of the machines and only used for some C applications excepting linux himself. This explains why date
delivers the wright output but the C program not.
Using ldd libc.so
I've found out that the linker was also set to be at the path /home/mqm/lib
as default, which dosn't fit to my server /home/mqm/lib/lib/ld-linux-x86-64.so.2 => /lib64/ld-linux-x86-64.so.2
. To resume, here is the full solution:
Problem: Your Linux system is delivering the wright date and time using date
or some applications but wrong output using C programs.
Solution: After ensuring that there is no programming error in your code, check with
strace -e trace=open,close,read,write,connect,accept yourCProgram
which path is used to get the time/timezone. You can also check ldd libc.so
to see where the default path of the linker is.
If the paths are not corresponding to your linux system configuration, consider recompiling the C library to fit to your system configuration or set $TZ='fullpathtotimezone'
as a hotfix / workaround.
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