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Liquibase lock - reasons?
...he liquibase-scripts the lock was held.
<changeSet author="user" id="123">
<preConditions onFail="CONTINUE">
<not><sequenceExists sequenceName="SEQUENCE_NAME_SEQ" /></not>
</preConditions>
<createSequence sequenceName="SEQUENCE_NAME_SEQ"/&g...
How do I determine file encoding in OS X?
...
I was assuming that OSX stored the encoding as meta-data. I understood the file contents were just a cluster of bits and had no inherent encoding.
– James A. Rosen
Feb 12 '09 at 3:15
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How can I get the behavior of GNU's readlink -f on a Mac?
... -f that follows additional links. This doesn't seem to work on Mac and possibly BSD based systems. What would the equivalent be?
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Are there any HTTP/HTTPS interception tools like Fiddler for mac OS X? [closed]
... would like to know if there are any applications like fiddler but for mac OS X, as I need to debug some requests from web applications in Mac OS X. I used to do it with fiddler on Windows and would love to have this tool available on Mac as well.
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Passing argument to alias in bash [duplicate]
...ed to use a function
$ foo () { /path/to/bar "$@" fixed args; }
$ foo abc 123
will be executed as if you had done
$ /path/to/bar abc 123 fixed args
To undefine an alias:
unalias foo
To undefine a function:
unset -f foo
To see the type and definition (for each defined alias, keyword, func...
How to check that a string is an int, but not a double, etc.?
... This will do some strange things such as return true for "+123". It is mitigated by that it's meant to return the true int but it still might not be what people want which is a strict int check.
– jgmjgm
Dec 11 '17 at 18:09
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What and where are the stack and heap?
...d. The stack is always reserved in a LIFO (last in first out) order; the most recently reserved block is always the next block to be freed. This makes it really simple to keep track of the stack; freeing a block from the stack is nothing more than adjusting one pointer.
The heap is memory set asi...
How do I get the width and height of a HTML5 canvas?
...
123
It might be worth looking at a tutorial: Firefox Canvas Tutorial
You can get the width and he...
Exit codes in Python
...wered Nov 12 '08 at 20:50
Dave CostaDave Costa
42.8k77 gold badges5252 silver badges6969 bronze badges
...
How to terminate a python subprocess launched with shell=True
...ted to all of the child processes of this group.
Here's the code:
import os
import signal
import subprocess
# The os.setsid() is passed in the argument preexec_fn so
# it's run after the fork() and before exec() to run the shell.
pro = subprocess.Popen(cmd, stdout=subprocess.PIPE,
...