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Why does the MongoDB Java driver use a random number generator in a conditional?
...gan's laws it is a trivial observation that this piece of code amounts to
if (!_ok && Math.random() <= 0.1)
return res;
The commit that originally introduced this logic had
if (_ok == true) {
_logger.log( Level.WARNING , "Server seen down: " + _addr, e );
} else if (Math.random() &...
How to make a node.js application run permanently?
... it's stdout and stderr is still pointed at the terminal. This means that if the node server writes to console.log or console.error it will receive a broken pipe error and crash. This can be avoided by piping the output of your process:
node /srv/www/MyUserAccount/server/server.js > stdout.txt...
Is it bad practice to return from within a try catch finally block?
...mpler to understand. You shouldn't care as finally block will get executed if a return statement is encountered.
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Python truncate a long string
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info = (data[:75] + '..') if len(data) > 75 else data
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RabbitMQ message size and types
...t want to store anything on the queues. The system works most efficiently if the queues are empty most of the time. You can send anything you want to the queue with two preconditions:
The thing you are sending can be converted to and from a bytestring
The consumer knows exactly what it is gettin...
Dynamically adding properties to an ExpandoObject
... would copy it to a dictionary. However, your post made me understand that if you change the Dictionary, you also change the underlying ExpandoObject! Thanks a lot
– Dynalon
Jan 27 '12 at 18:48
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RESTful Authentication via Spring
... AuthenticationEntryPoint, which basically just returns a 401 Unauthorized if the request wasn't authenticated in the filter chain by our AuthenticationTokenProcessingFilter.
CustomAuthenticationEntryPoint:
public class CustomAuthenticationEntryPoint implements AuthenticationEntryPoint {
@Over...
Git: Discard all changes on a diverged local branch
...the reset in the reflog. This makes the operation easily reversible later, if needed.
– Dan Moulding
Mar 30 '11 at 22:36
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Remove all whitespace in a string
...
If you want to remove leading and ending spaces, use str.strip():
sentence = ' hello apple'
sentence.strip()
>>> 'hello apple'
If you want to remove all space characters, use str.replace():
(NB this only remov...
Best C# API to create PDF [closed]
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Update:
I'm not sure when or if the license changed for the iText# library, but it is licensed under AGPL which means it must be licensed if included with a closed-source product. The question does not (currently) require free or open-source libraries. O...