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How to exit a function in bash
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@YevgeniyBrikman that's only true if the error in the function is unexpected. If the function is called using e.g. || then it's possible to return a nonzero code and still have the script continue to execute.
– Dan Passaro
Jul...
How to create .pfx file from certificate and private key?
...additional -in files resulting in the "No certificate matches private key" error message I was getting.
– dragon788
Mar 22 '18 at 2:56
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sho...
module unsafe for SAFESEH image C++
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It can also be caused by, as the error states, modules for which the linker can't find safe exception handlers. Assembly language modules in particular - as discussed in other answers. There is some info about this here.
– Nick Westgate...
How can I negate the return-value of a process?
...he 'do nothing successfully' option was correct; maybe it should report an error when it isn't asked to do anything. The code in '"stderr.h"' provides simple error reporting facilities - I use it everywhere. Source code on request - see my profile page to contact me.
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Prevent redirection of Xmlhttprequest
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The new Fetch API supports different modes of redirect handling: follow, error, and manual, but I can't find a way to view the new URL or the status code when the redirection has been canceled. You just can stop the redirection itself, and then it looks like an error (empty response). If that's al...
Using python “with” statement with try-except block
... try:
line = f.readline()
finally:
f.close()
except IOError:
<whatever>
As you can see, the with statement can make things less error prone. In newer versions of Python (2.7, 3.1), you can also combine multiple expressions in one with statement. For example:
with op...
Python syntax for “if a or b or c but not all of them”
...'x', 'y', 'z'])
args = parser.parse_args()
if len(args.abc) != 3:
parser.error('expected 3 arguments')
print(args.abc)
Here are some usage examples:
# default case
wim@wim-zenbook:/tmp$ ./three_or_none.py
['x', 'y', 'z']
# explicit case
wim@wim-zenbook:/tmp$ ./three_or_none.py 1 2 3
['1', '2'...
How to count occurrences of a column value efficiently in SQL?
... select should be on C.cnt because there is no S.cnt, otherwise you get an error: Invalid column name 'cnt'
– KM.
Oct 1 '09 at 14:00
1
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How to use SSH to run a local shell script on a remote machine?
...;'END2'
# Another bunch of commands on another host
wall <<'ENDWALL'
Error: Out of cheese
ENDWALL
ftp ftp.secureftp-test.com <<'ENDFTP'
test
test
ls
ENDFTP
END2
ENDSSH
You can actually have a conversation with some services like telnet, ftp, etc. But remember that heredoc just sends th...
In Python, how can you load YAML mappings as OrderedDicts?
...d lib from Python 2.7
from collections import OrderedDict
except ImportError:
# try importing the backported drop-in replacement
# it's available on PyPI
from ordereddict import OrderedDict
class OrderedDictYAMLLoader(yaml.Loader):
"""
A YAML loader that loads mappings into ...