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Should I use an exception specifier in C++?
...irtual functions.
Legacy code
When you write code which relies on another library, you don't really know what it might do when something goes horribly wrong.
int lib_f();
void g() throw( k_too_small_exception )
{
int k = lib_f();
if( k < 0 ) throw k_too_small_exception();
}
g will ter...
Run single test from a JUnit class using command-line
...e on test failure(s).
NOTE:
for JUnit version >= 4.9 you need hamcrest library in classpath
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SET NOCOUNT ON usage
...e done_count flag is true, regardless if NO_COUNT is ON. Depends on client lib implementation in cases when query holds SELECT statements or RPC calls that do select, it may require to disable counting... WHEN disabled, rows are still counted for select statement, but flag DONE_COUNT is set to false...
How to generate a Dockerfile from an image?
...ase help to resolve this problem running the image from your example? /usr/lib/ruby/gems/2.2.0/gems/excon-0.45.4/lib/excon/unix_socket.rb:14:in `connect_nonblock': Connection refused - connect(2) for /var/run/docker.sock (Errno::ECONNREFUSED) (Excon::Errors::SocketError)
– long...
How do I add custom field to Python log format string?
...t; logging.warning('test')
Traceback (most recent call last):
File "/usr/lib/python2.7/logging/__init__.py", line 846, in emit
msg = self.format(record)
File "/usr/lib/python2.7/logging/__init__.py", line 723, in format
return fmt.format(record)
File "/usr/lib/python2.7/logging/__init_...
How do I prevent site scraping? [closed]
...ses something like this.)
"BIZCO EasyScraping Studio 2.0"
"wget", "curl", "libcurl",.. (Wget and cURL are sometimes used for basic scraping)
If you find that a specific User Agent string is used by scrapers on your site, and it is not used by real browsers or legitimate spiders, you can also add i...
Encode html entities in javascript
...ments all named character references (not just those in HTML4), use the he library (disclaimer: This library is mine). From its README:
he (for “HTML entities”) is a robust HTML entity encoder/decoder written in JavaScript. It supports all standardized named character references as per HTML,...
Verify version of rabbitmq
...
As Marek said on a local server, or, on a remote server (using amqplib):
from amqplib import client_0_8 as amqp
import sys
conn = amqp.Connection(host=sys.argv[1], userid="guest", password="guest", virtual_host="/", insist=False)
for k, v in conn.server_properties.items():
print k, v
...
How do I get the directory that a program is running from?
...t to be confused with the current working directory. (Please don't suggest libraries unless they're standard ones like clib or STL.)
...
Get name of current script in Python
... techniques. At some point, you decide to move the function to an external library. Would you want to print the name of the main script running, or the name of the library file that's executing?
– John Deighan
Apr 30 at 13:14
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