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Look up all descendants of a class in Ruby
...That works great, thanks! I suppose visiting every class might be too slow if you're trying to shave milliseconds, but it's perfectly speedy for me.
– Douglas Squirrel
Mar 6 '10 at 20:01
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Get Maven artifact version at runtime
I have noticed that in a Maven artifact's JAR, the project.version attribute is included in two files:
10 Answers
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Using smart pointers for class members
...for manual memory management. - END NOTE 2]
The situation is radically different, of course, if your Settings object should not have the exclusive ownership of the device. This could be the case, for instance, if the destruction of the Settings object should not imply the destruction of the point...
In Python, if I return inside a “with” block, will the file still close?
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It is also mentioned in one of the examples of PEP-343 which is the specification for the with statement:
with locked(myLock):
# Code here executes with myLock held. The lock is
# guaranteed to be released when the block is left (even
# if via return or by an uncaught exception).
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Why no love for SQL? [closed]
...f, just what you want as result. This would be perfect and very powerful - if you wouldn't have to care about performance. So you end up in writing SQL - reading execution plans - rephrasing SQL trying to influence the execution plan, and you wonder why you can't write the execution plan yourself.
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Custom events in jQuery?
...o the document which actively listens for them and in turn publishes ‘notify’ events to all subscribers (more on those later). The reasoning behind this is that in a real world application there would probably be some more logic controlling when and how the ‘notify’ events are published.
$(...
START_STICKY and START_NOT_STICKY
What is the difference between START_STICKY and START_NOT_STICKY while implementing services in android? Could anyone point out to some standard examples.. ?
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Why does direction of index matter in MongoDB?
...finding single items - The order of the nodes in the tree is irrelevant.
If you are returning a range of nodes - The elements close to each other will be down the same branches of the tree. The closer the nodes are in the range the quicker they can be retrieved.
With a single field index - The ...
Removing duplicate objects with Underscore for Javascript
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The "'_.pluck' callback shorthand" only works if you pass a value for isSorted (e.g. _.uniq(a, false, 'a')) I pinged github/bestiejs/lodash and they said the issue was fixed on edge. So if you're not using a function, make sure you have the latest. This may not be an is...
How to restart Activity in Android
...ivity.recreate() is the way to go in API 11 and beyond. This is preferable if you're in an API11+ environment. You can still check the current version and call the code snippet above if you're in API 10 or below. (Please don't forget to upvote Ralf's answer!)
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