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Is there a standard function to check for null, undefined, or blank variables in JavaScript?
...t undefined or null ? I've got this code, but I'm not sure if it covers all cases:
41 Answers
...
Get array of object's keys
...keys are unordered).
This is an ES5 feature. This means it works in all modern browsers but will not work in legacy browsers.
The ES5-shim has a implementation of Object.keys you can steal
share
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When should one use RxJava Observable and when simple Callback on Android?
...I decided to try out Square's Retrofit . I see that they support simple Callback
9 Answers
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Difference between java.lang.RuntimeException and java.lang.Exception
...
Generally RuntimeExceptions are exceptions that can be prevented programmatically. E.g NullPointerException, ArrayIndexOutOfBoundException. If you check for null before calling any method, NullPointerException would never occur. ...
Pros and Cons of SQLite and Shared Preferences [closed]
...
It really depends on the data you want to store.
SQLite
Large amounts of same structured data should be stored in a SQLite database as databases are designed for this kind of data. As the data is structured and managed by the d...
How to: Define theme (style) item for custom widget
...;
array.recycle();
}
}
Now you have to apply Theme.Custom to all activities that use CustomImageButton (in AndroidManifest.xml):
<activity android:name=".MyActivity" android:theme="@style/Theme.Custom"/>
That's all. Now CustomImageButton tries to load default attribute values ...
Where does git config --global get written to?
...Vascellaro points out in the comments,
it will work with non-standard install locations. (i.e. Git Portable)
(like the latest PortableGit-2.14.2-64-bit.7z.exe, which can be uncompressed anywhere you want)
Original answer (2010)
From the docs:
--global
For writing options: write to global ~/.gitc...
How can I access getSupportFragmentManager() in a fragment?
...
You can directly call
getFragmentManager()
to get the fragment manager.
or
In your fragment,
Create field :
private FragmentActivity myContext;
override onAttach method of your fragment :
@Override
public void onAttach(Activity ...
Does Java have a complete enum for HTTP response codes?
...pe in some standard Java class library that defines symbolic constants for all of the valid HTTP response codes. It should support conversion to/from the corresponding integer values.
...
Remove or uninstall library previously added : cocoapods
...en by Kyle Fuller - deintegrate, I'll post the proper workflow here:
Install clean:
$ sudo gem install cocoapods-clean
Run deintegrate in the folder of the project:
$ pod deintegrate
Clean:
$ pod clean
Modify your podfile (delete the lines with the pods you don't want to use anymore) and run...