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How should strace be used?
...ever, we haven't always had the source code or sometimes were dealing with scripted languages that weren't straight-forward to run under a debugger. In this case, you run strace on an already running program and you will get the list of system calls being made. This is particularly useful if you a...
Get last result in interactive Python shell
... It only works in the interactive shell, though. Don't rely on it for scripts.
– John Fouhy
Oct 14 '08 at 4:54
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Change directory command in Docker?
...
You can run a script, or a more complex parameter to the RUN. Here is an example from a Dockerfile I've downloaded to look at previously:
RUN cd /opt && unzip treeio.zip && mv treeio-master treeio && \
rm -f tr...
How do I run all Python unit tests in a directory?
... and run in my project. I was even able to automate it with a few lines of script, running inside a virtualenv. +1 for nose!
– Jesse Webb
Jan 5 '12 at 18:59
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Convert dmesg timestamp to custom date format
...lliseconds, there's an offset of nearly 5 1/2 hours here. So I revised the script and converted it to native bash in the process:
dmesg_with_human_timestamps () {
FORMAT="%a %b %d %H:%M:%S %Y"
now=$(date +%s)
cputime_line=$(grep -m1 "\.clock" /proc/sched_debug)
if [[ $cputime_line...
Can a unit test project load the target application's app.config file?
...this will not work in all situations, so you may need to include a startup script that renames the output .config to match the unit test's name.
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Resetting a multi-stage form with jQuery
... The asker knows about reset, the form will "reset" to the values that his script is remembering and he needs to force them to be blanked out.
– Paolo Bergantino
Jul 21 '10 at 13:36
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How to pretty print XML from the command line?
Related: How can I pretty-print JSON in (unix) shell script?
8 Answers
8
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Git commit with no commit message
...d party exactly what a commit contains, without relying on human written descriptions. Machines should save us from labor where possible.
– amn
Feb 22 '14 at 16:39
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How to print colored text in Python?
...nces. For a simple example, here's some python code from the blender build scripts:
class bcolors:
HEADER = '\033[95m'
OKBLUE = '\033[94m'
OKGREEN = '\033[92m'
WARNING = '\033[93m'
FAIL = '\033[91m'
ENDC = '\033[0m'
BOLD = '\033[1m'
UNDERLINE = '\033[4m'
To use cod...