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print call stack in C or C++
...-O0 -no-pie -o boost_stacktrace.out -std=c++11 \
-Wall -Wextra -pedantic-errors boost_stacktrace.cpp -ldl
./boost_stacktrace.out
We have to add -ldl at the end or else compilation fails.
Output:
0# boost::stacktrace::basic_stacktrace<std::allocator<boost::stacktrace::frame> >::bas...
Error handling in Bash
What is your favorite method to handle errors in Bash?
The best example of handling errors I have found on the web was written by William Shotts, Jr at http://www.linuxcommand.org .
...
Detect if stdin is a terminal or pipe?
... is a file or a pipe\n");
(On windows they're prefixed with underscores: _isatty, _fileno)
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What is the purpose of the -m switch?
...r example, if -m is used to execute a C compiled code module the following error will be produced, No code object available for <modulename> (see here for more details).
Detailed Comparisons
Effects of module execution via import statement (i.e., import <modulename>):
sys.path is not mo...
Explaining Python's '__enter__' and '__exit__'
...:
>>> raise
#will result (client side) :
2018-12-18 14:44:05,863 : INFO --> Initiating My connection
2018-12-18 14:44:05,863 : INFO --> connection success
b'connected'
2018-12-18 14:44:05,864 : INFO --> CM suppress exception
#result of server side
g...
Catching an exception while using a Python 'with' statement
... with open( "a.txt" ) as f :
print f.readlines()
except EnvironmentError: # parent of IOError, OSError *and* WindowsError where available
print 'oops'
If you want different handling for errors from the open call vs the working code you could do:
try:
f = open('foo.txt')
except IOE...
Loop through all nested dictionary values?
... else:
print "{0} : {1}".format(k, v)
You would see this error:
RuntimeError: maximum recursion depth exceeded while calling a Python object
The same goes with the implementation from senderle.
Similarly, you get an infinite loop with this implementation from Fred Foo:
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Timeout function if it takes too long to finish [duplicate]
... functools import wraps
import errno
import os
import signal
class TimeoutError(Exception):
pass
def timeout(seconds=10, error_message=os.strerror(errno.ETIME)):
def decorator(func):
def _handle_timeout(signum, frame):
raise TimeoutError(error_message)
def wrap...
Error - Unable to access the IIS metabase
... installing Visual Studio 2012 and opening my solution I get a series of errors in this form:
37 Answers
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