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delete map[key] in go?
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Copied from Go 1 release notes
In the old language, to delete the entry with key k from the map represented by m, one wrote the statement,
m[k] = value, false
This syntax was a peculiar special case, the only two-to-one assignme...
What are detached, persistent and transient objects in hibernate?
...ce, one can detach an instance by calling session.evict(). This removes it from being managed by Hibernate (thus prevent changes to the instance from being automatically propagated back to the db). You can send changes to the db via session.update(), and re-attach it with session.merge().
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What does “zend_mm_heap corrupted” mean
...s -- do not use memcache. In the latter case, I had a configuration copied from production to a customer one-off, and the memcache configuration indicated a memcache server URI that was not available in that environment. I deleted the line and disabled memcache in the app, and the problem went away....
Should I declare Jackson's ObjectMapper as a static field?
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Yes, that is safe and recommended.
The only caveat from the page you referred is that you can't be modifying configuration of the mapper once it is shared; but you are not changing configuration so that is fine. If you did need to change configuration, you would do that from ...
Using ChildActionOnly in MVC
...tribute ensures that an action method can be called only as a child method
from within a view. An action method doesn’t need to have this attribute to be used as a child action, but
we tend to use this attribute to prevent the action methods from being invoked as a result of a user
request.
Having...
Access string.xml Resource File from Java Android Code
How do you access the values in the res/values/string.xml resource file from the Android Activity class ?
5 Answers
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How to keep up with the latest versions of Node.js in Ubuntu? PPA? Compiling?
...s some more info on using them:
https://chrislea.com/2013/03/15/upgrading-from-node-js-0-8-x-to-0-10-0-from-my-ppa/
I currently intend to keep maintaining these unless the Joyent folks start maintaining their own repositories. They have me on IM so I'm generally quite aware of when new releases ar...
Circle-Rectangle collision detection (intersection)
... implement too: one way would be to check if the foot of the perpendicular from P to the line is close enough and between the endpoints, and check the endpoints otherwise.
The cool thing is that the same idea works not just for rectangles but for the intersection of a circle with any simple polygon...
Set attributes from dictionary in python
Is it possible to create an object from a dictionary in python in such a way that each key is an attribute of that object?
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How to get the path of a running JAR file?
...f your class.
Obviously, this will do odd things if your class was loaded from a non-file location.
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