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onSaveInstanceState () and onRestoreInstanceState ()
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Usually you restore your state in onCreate(). It is possible to restore it in onRestoreInstanceState() as well, but not very common. (onRestoreInstanceState() is called after onStart(), whereas onCreate() is called before onStar...
How to merge a specific commit in Git
...onlan's answer about the consequence of cherry-picking in this post:
"Pull all commits from a branch, push specified commits to another", where:
A-----B------C
\
\
D
becomes:
A-----B------C
\
\
D-----C'
The problem with this commit is that git considers commits to include all hi...
How can I return to a parent activity correctly?
...ent to it.
Therefore, the system is forced to recreate activity A (i.e. calling onCreate) even if the task stack is handled correctly.
To fix this problem you need to change the manifest, adding the following attribute to the A activity declaration:
android:launchMode="singleTop"
Note: calling...
ruby inheritance vs mixins
...odules don’t have instances. It follows that entities or things are generally best
modeled in classes, and characteristics or properties of entities or things are
best encapsulated in modules. Correspondingly, as noted in section 4.1.1, class
names tend to be nouns, whereas module names are oft...
How do I make text bold in HTML?
...he following HTML elements specify font information. Although they are not all deprecated, their use is discouraged in favor of style sheets."
– Joey
Jul 4 '09 at 15:17
1
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How to force R to use a specified factor level as reference in a regression?
...ommand which is the best solution if you want to change the base level for all analyses on your data (or are willing to live with changing the data).
If you don't want to change the data (this is a one time change, but in the future you want the default behavior again), then you can use a combinati...
Convert absolute path into relative path given a current directory using Bash
... do, because /usr/bin rarely or never contains directories and nmap is normally a binary)
– IBBoard
Mar 13 '18 at 20:07
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show 2 more commen...
iOS app, programmatically get build version
Is there a way to programmatically get the build version of my app? I need to be able to detect when the user has updated the app through the AppStore, in order to execute some code for adjustments
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Is there a standard keyboard shortcut to build the current project in Visual Studio?
... to, because I make use of ViEmu, is use the menu shortcuts. Which are actually quite quick to do, and are independent of bindings.
So to build your project you go Alt + B, U
share
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improve th...
php中json_decode()和json_encode()的使用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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echo "Unicode: ", json_encode($a, JSON_UNESCAPED_UNICODE), "\n";
echo "All: ", json_encode($a, JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_QUOT | JSON_HEX_AMP | JSON_UNESCAPED_UNICODE), "\n\n";
$b = array();
echo "Empty array output as array: ", json_encode($b), "\n";
echo "Empty array out...