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How to view the SQL queries issued by JPA?
...verflow.com.
– L S
Nov 10 '11 at 19:05
59
You would put this line in your persistence.xml for any...
How to use sed to remove the last n lines of a file
I want to remove some n lines from the end of a file. Can this be done using sed?
22 Answers
...
Commands executed from vim are not recognizing bash command aliases
...expansion of bash aliases, put your alias definitions in a file, e.g. .bash_aliases and explicitly enable alias expansion in this file:
shopt -s expand_aliases
alias la='ls -la'
Then add this to your .vimrc so the aliases file is actually read each time you run a shell command from within v...
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...
How to extract img src, title and alt from html using php? [duplicate]
...
Call this function beforehand to handle errors gracefully: libxml_use_internal_errors( true );. You can also loop over those XML errors with libxml_get_errors()
– Matt
Jan 13 '12 at 17:10
...
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...
PHP best way to MD5 multi-dimensional array?
...0
1ad0f2c7e690c8e3cd5c34f7c9b8573a
json_encode()
db7178ba34f9271bfca3a05c5dddf502
c9661c0852c2bd0e26ef7951b4ca9e6f
Sorted serialize()
1c4f1064ab79e4722f41ab5a8141b210
1c4f1064ab79e4722f41ab5a8141b210
Sorted json_encode()
db7178ba34f9271bfca3a05c5dddf502
db7178ba34f9271bfca3a05c5dddf50...
cannot download, $GOPATH not set
...tall json2csv using go get github.com/jehiah/json2csv but I receive this error:
15 Answers
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Repeat a task with a time delay?
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I get this: error: call to this must be first statement in constructor maybe there is an easy fix.
– msysmilu
Apr 23 '15 at 14:33
...
Redirect stderr and stdout in Bash
...I have a ruby script (which I don't want to modify in any way) that prints error messages in bold red. This ruby script is then invoked from my bash script (which I can modify). When I use the above, it prints the error messages in plain text, minus the formatting. Is there any way to retain on-scre...