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Long-lasting FB access-token for server to pull FB page info
... same user account that is the page admin)
Head over to the Facebook Graph API Explorer
On the top right, select the FB App you created from the "Application" drop down list
Click "Get Access Token"
Make sure you add the manage_pages permission
Convert this short-lived access token into a long-lived...
Can Java 8 code be compiled to run on Java 7 JVM?
...res new JVM features.
Lambdas could run on Java 7 as-is, if the necessary API classes just would exist there. The invokedynamic instruction exists on Java 7, but it would have been possible to implement lambdas so that it generates the lambda classes at compile time (early JDK 8 builds did it that ...
Get screen width and height in Android
...
@digiphd wouldn't Parang's code work on all API versions? All methods were introduced before API level 8 and I didn't find them deprecated at the android dev site.
– Sufian
May 22 '13 at 12:52
...
Algorithm to implement a word cloud like Wordle
...onal to its count. Generate a Java2D Shape for each word, using the Java2D API.
Each word "wants" to be somewhere, such as "at some random x position in the vertical center". In decreasing order of frequency, do this for each word:
place the word where it wants to be
while it intersects any of the...
Collection versus List what should you use on your interfaces?
... question as to why not List<T>, The reasons are future-proofing and API simplicity.
Future-proofing
List<T> is not designed to be easily extensible by subclassing it; it is designed to be fast for internal implementations. You'll notice the methods on it are not virtual and so cannot ...
How should I validate an e-mail address?
...
Another option is the built in Patterns starting with API Level 8:
public final static boolean isValidEmail(CharSequence target) {
if (TextUtils.isEmpty(target)) {
return false;
} else {
return android.util.Patterns.EMAIL_ADDRESS.matcher(target).matches();
}
}
P...
How to force GitHub Pages build?
...and add the lines:
#!/bin/bash
curl -u yourname:yourtoken -X POST https://api.github.com/repos/yourname/yourrepo/pages/builds
Here,
Replace yourname with your GitHub username.
Replace yourtoken with your copied personal access token.
Replace yourrepo with your repository name.
3. Run the scr...
How do I connect to a specific Wi-Fi network in Android programmatically?
...
In API level 29, WifiManager.enableNetwork() method is deprecated. As per Android API documentation(check here):
See WifiNetworkSpecifier.Builder#build() for new mechanism to trigger connection to a Wi-Fi network.
See a...
Java 7 language features with Android
...d be enabled automatically without any patches. Try-with-resource requires API Level 19+, and NIO 2.0 stuff are missing.
If you can't use Java 7 features, see @Nuno's answer on how to edit your build.gradle.
The following is for historical interest only.
A small part of Java 7 can certainly be...
Best architectural approaches for building iOS networking applications (REST clients)
...es or contains complex UI logic.
ARCHITECTURE
At first I create a general APIClient class, which is a subclass of AFHTTPSessionManager. This is a workhorse of all networking in the application: all service classes delegate actual REST requests to it. It contains all the customizations of HTTP clien...