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What is the relationship between Looper, Handler and MessageQueue in Android?
... Also note that a thread can't be associated with more than one Looper. In order to guarantee this association, Looper is stored in thread-local storage, and it can't be created via its constructor directly. The only way to create it is to call prepare static method on Looper. prepare method first e...
Sort ArrayList of custom Objects by property
... above the other answer is beyond me. This link may also be useful: Object Ordering Tutorial at Sun.com.
– BalusC
May 6 '10 at 21:26
...
What is cURL in PHP?
...bout it (and most other extensions) can be found in the PHP manual.
In order to use PHP's cURL functions
you need to install the » libcurl
package. PHP requires that you use
libcurl 7.0.2-beta or higher. In PHP
4.2.3, you will need libcurl version 7.9.0 or higher. From PHP 4.3.0, you wi...
Run automatically program on startup under linux ubuntu [closed]
...
sudo mv /filename /etc/init.d/
sudo chmod +x /etc/init.d/filename
sudo update-rc.d filename defaults
Script should now start on boot. Note that this method also works with both hard links and symbolic links (ln).
Edit
At this point in the bo...
What is the difference between trie and radix trie data structures?
...0110 1110 0110 0111 ...
Let us consider that the nodes are added in the order they are presented above. smile_item is the root of this tree. The difference, bolded to make it slightly easier to spot, is in the last byte of "smile", at bit 36. Up until this point, all of our nodes have the same pr...
How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?
...en home. Reason being GROUP BY will fetch any random row for each home and ORDER BY will just sort the overall all result as produced by GROUP BY
– sactiw
Nov 26 '15 at 12:11
...
Homebrew’s `git` not using completion
...ofile to get homebrew's bash-completion working:
if [ -f $(brew --prefix)/etc/bash_completion ]; then
. $(brew --prefix)/etc/bash_completion
fi
The above is mentioned in the caveats when you install the bash-completion formula.
Note: if you are using Bash v4 or later (via brew install bash...
Using mixins vs components for code reuse in Facebook React
...ycle methods (componentDidMount etc). This problem is solved by the Higher-Order Components that Dan Abramov talk in his link (or by using ES6 class inheritance).
Mixins are also often used in frameworks, to make framework API available to all the components, by using the "hidden" context feature o...
Using helpers in model: how do I include helper dependencies?
...
To access helpers from your own controllers, just use:
OrdersController.helpers.order_number(@order)
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Why is there “data” and “newtype” in Haskell? [duplicate]
...e multiple value constructors (even
though CoolBool only has one). So in order to see if the value given
to our function conforms to the (CoolBool _) pattern, Haskell has to
evaluate the value just enough to see which value constructor was used
when we made the value. And when we try to eval...