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Call a function from another file?
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Can't resist to point out the Java like file structure... com.my.example.. kinda pokes into my eyes, though it might be just me.
– 0xc0de
Sep 9 at 8:25
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Detect network connection type on Android
...pe. You can use this code (derived from a @hide method in TelephonyManager.java).
This method returns a String describing the current connection type.
i.e. one of : "WIFI" , "2G" , "3G" , "4G" , "5G" , "-" (not connected) or "?" (unknown)
Remark: This code requires API 25+, but you can easily sup...
With Spring can I make an optional path variable?
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If you are using Spring 4.1 and Java 8 you can use java.util.Optional which is supported in @RequestParam, @PathVariable, @RequestHeader and @MatrixVariable in Spring MVC -
@RequestMapping(value = {"/json/{type}", "/json" }, method = RequestMethod.GET)
pub...
How to have the formatter wrap code with IntelliJ?
...rgin is not exceeded" option is in File / Settings / Editor / Code Style / Java / Wrapping and Braces / Keep when reformatting
– Aaron
Jan 3 '16 at 8:11
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Is it wrong to place the tag after the tag?
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<html>
....
<body>
....
<script type="text/javascript" src="theJs.js"></script>
</body>
</html>
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Jackson serialization: ignore empty values (or null)
...-gson/], where these null fields will be automatically removed.
SampleDTO.java
public class SampleDTO {
String username;
String email;
String password;
String birthday;
String coinsPackage;
String coins;
String transactionId;
boolean isLoggedIn;
// getters/set...
Remove Item from ArrayList
...o use ListIterator remove() method for removing objects from Collection in Java, because there may be chance that another thread is modifying the same collection and could leads to ConcurrentModificationException.
– Min2
Jun 21 '18 at 3:05
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扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
... arrives. Instead of implementing the event listeners with the traditional Java programming in Android, programmers can simply accomplish this by dragging a block and adding corresponding actions they want when a specific event occurs.
Unlike the traditional text-based programming, MIT App Inventor...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
... arrives. Instead of implementing the event listeners with the traditional Java programming in Android, programmers can simply accomplish this by dragging a block and adding corresponding actions they want when a specific event occurs.
Unlike the traditional text-based programming, MIT App Inventor...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
... arrives. Instead of implementing the event listeners with the traditional Java programming in Android, programmers can simply accomplish this by dragging a block and adding corresponding actions they want when a specific event occurs.
Unlike the traditional text-based programming, MIT App Inventor...