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My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets
... great answers from others that cover a lot of ground. Here's a little bit extra.
The only advantage of WebSockets over plugins like Java Applets, Flash or Silverlight is that WebSockets are natively built into browsers and does not rely on plugins.
If by this you mean that you can use Java Ap...
Android - Back button in the title bar
...d:name="com.example.myfirstapp.DisplayMessageActivity"
android:label="@string/title_activity_display_message"
android:parentActivityName="com.example.myfirstapp.MainActivity" >
<!-- Parent activity meta-data to support 4.0 and lower -->
<meta-data
android:name="an...
what's the correct way to send a file from REST web service to client?
...o my client. So far I've gotten the hang of how to send simple data types (strings, integers, etc) but sending a file is a different matter since there are so many file formats that I don't know where I should even begin. My REST service is made on Java and I'm using Jersey, I'm sending all the data...
“static const” vs “#define” vs “enum”
...ironment for space to a concern. That said, neither enum nor #define uses extra space, per se. The value will appear in the object code as part of the instructions rather than being allocated storage in the data segment or in heap or on the stack. You'll have some space allocated for the static c...
How to set the text color of TextView in code?
...th="wrap_content"
android:layout_height="wrap_content"
android:text="@string/add"
android:layout_marginTop="16dp"
android:textAppearance="?
android:attr/textAppearanceMedium"
android:textColor="#25383C"
android:textSize="13sp" />
<TextView
android:id="@+id/textView1"
andr...
Android Left to Right slide animation
...true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.transitiontest.FirstActivity"
android:label="@string/app_name" >
<intent-f...
How do I remove the space between inline/inline-block elements?
...e browsers, and applying display: inline-flex still doesn't get rid of the extra whitespace, even on a browser that does support it!
– patrick
Jun 19 '16 at 21:50
...
Optimal number of threads per core
...ld never include such a graph into their answer because you don't have the extra time/energy to make it look good. That is my point.
– tyrex
Nov 17 '14 at 1:59
...
What's best SQL datatype for storing JSON string?
What's the best SQL datatype for storing JSON string?
5 Answers
5
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Call an activity method from a fragment
...agment.yourPublicMethod();
If you added fragment via code and used a tag string when you added your fragment, use findFragmentByTag instead:
YourFragmentClass fragment = (YourFragmentClass)fm.findFragmentByTag("yourTag");
...