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ViewPager and fragments — what's the right way to store fragment's state?
... the tag generated using:
String tag="android:switcher:" + viewId + ":" + index;
The viewId is the container.getId(), the container is your ViewPager instance. The index is the position of the fragment. Hence you can save the object id to the outState:
@Override
protected void onSaveInstanceStat...
Parse JSON in C#
...ms.ToArray());
}
}
Edit
If you want to use Json.NET here are the equivalent Serialize/Deserialize methods to the code above..
Deserialize:
JsonConvert.DeserializeObject<T>(string json);
Serialize:
JsonConvert.SerializeObject(object o);
This are already part of Json.NET so you c...
Chaining multiple filter() in Django, is this a bug?
...ook at the example here:
https://docs.djangoproject.com/en/dev/topics/db/queries/#spanning-multi-valued-relationships
particularly:
Everything inside a single filter() call is applied simultaneously to filter out items matching all those requirements. Successive filter() calls further restric...
How to create named and latest tag in Docker?
...;
Build and tag the image with creack/node:latest
$ ID=$(docker build -q -t creack/node .)
Add a new tag
$ docker tag $ID creack/node:0.10.24
You can use this and skip the -t part from build
$ docker tag $ID creack/node:latest
...
Postgres: clear entire database before re-creating / re-populating from bash script
...ing them. (This will not drop the whole database, just each table/sequence/index/etc. before recreating them.)
The above two would look something like this:
pg_dump -U username --clean | pg_restore -U username
share
...
How can you search Google Programmatically Java API [closed]
...a offers java.net.URL and java.net.URLConnection to fire and handle HTTP requests.
JSON can in Java be converted to a fullworthy Javabean object using an arbitrary Java JSON API. One of the best is Google Gson.
Now do the math:
public static void main(String[] args) throws Exception {
String ...
How to do parallel programming in Python?
... getting an error that says" Could not find a version that satisfies the requirement ray (from versions: ) No matching distribution found for ray" when trying to install the package in python
– alwaysaskingquestions
Feb 16 '18 at 18:09
...
In JPA 2, using a CriteriaQuery, how to count results
I am rather new to JPA 2 and it's CriteriaBuilder / CriteriaQuery API:
7 Answers
7
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Saving vim macros
...
Use q followed by a letter to record a macro. This just goes into one of the copy/paste registers so you can paste it as normal with the "xp or "xP commands in normal mode.
To save it you open up .vimrc and paste the contents, t...
How to calculate md5 hash of a file using javascript
...compute-md5-checksum-for-a-file-in-typescript-59a4
– Qortex
Jan 18 at 10:20
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