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How to get existing fragments when using FragmentPagerAdapter
...mentPagerAdapter and its source code. But the general solution should also apply to FragmentStatePagerAdapter.
If you're reading this you probably already know that FragmentPagerAdapter/FragmentStatePagerAdapter is meant to create Fragments for your ViewPager, but upon Activity recreation (whether ...
转型产品经理必看 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...走上了移动开发的道路，也就是在那时候，我开始做移动App项目，那时候，我把项目当做了产品。那时候对产品的理解是浅层的，跟多的是看得到的界面、用的到的功能，相信很多初入产品的同学都会有这个阶段，设计出漂亮的...
How to configure slf4j-simple
...an programatically change it by setting the system property:
public class App {
public static void main(String[] args) {
System.setProperty(org.slf4j.impl.SimpleLogger.DEFAULT_LOG_LEVEL_KEY, "TRACE");
final org.slf4j.Logger log = LoggerFactory.getLogger(App.class);
l...
Android ImageView Zoom-in and Zoom-Out
...te();
return true;
}
}
make second class
import android.app.Activity;
import android.os.Bundle;
public class Zoomexample extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
...
How can you program if you're blind?
...d off these. I use windows xp as my operating system and Jaws to read what appears on the screen to me in synthetic speech. For java programming I use eclipse, since it’s a fully featured IDE that is accessible.
In my experience as a general rule java programs that use SWT as the GUI toolkit are...
Jelly Bean DatePickerDialog — is there a way to cancel?
...d that someone already faced this problem here . But I'm not sure if it's appropriate to close this as a duplicate, since i think I provided a much better explanation of the issue. I'm not sure if I should edit the other question and paste this content there, but I'm not comfortable changing someon...
Bootstrap 3 Slide in Menu / Navbar on Mobile [closed]
I am building a browser-based mobile app and I've decided to use Bootstrap 3 as the css framework for the design. Bootstrap 3 comes with a great "responsive" feature in the navigation bar where it collapses automatically if it detects a specific "break point" regarding the resolution of the browser....
What makes a keychain item unique (in iOS)?
...
The primary keys are as follows (derived from open source files from Apple, see Schema.m4, KeySchema.m4 and SecItem.cpp):
For a keychain item of class kSecClassGenericPassword, the primary key is the combination of
kSecAttrAccount and kSecAttrService.
For a keychain item of class kSecClassI...
Code-first vs Model/Database-first [closed]
...ecause hardcore programmers don't like any kind of designers and defining mapping in EDMX xml is too complex.
Full control over the code (no autogenerated code which is hard to modify).
General expectation is that you do not bother with DB. DB is just a storage with no logic. EF will handle creation...
How many socket connections can a web server handle?
...(ie. IIS, Node.js, Nginx... webserver [but not Apache] with async designed application software)
Good performance/dollar CPU / Ram. Today, arbitrarily, let's say i7 (4 core) with 8GB of RAM.
A good firewall/router to match.
No virtual limit/governor - ie. Linux somaxconn, IIS web.config...
No depend...