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Understanding events and event handlers in C#
... gave us a reference to a method that complied with our desired signature.
Java
Languages like Java don't have delegates. They use interfaces instead. The way they do that is to ask anyone who is interested in 'us being clicked', to implement a certain interface (with a certain method we can call), ...
How can I export tables to Excel from a webpage [closed]
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DataTables is fully Javascript. Just the TableTools element uses Flash, and it's miniscule. I would NEVER use Flash willingly in any of my products!
– bpeterson76
Apr 27 '11 at 20:17
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Create the perfect JPA entity [closed]
...uff that's going to go in the HttpSession, or be sent over the wire by RPC/Java EE, needs to implement Serializable. Other stuff: not so much. Spend your time on what's important.
Constructors: create a constructor with all required fields of the entity?
Constructor(s) for application logic, shoul...
WSDL vs REST Pros and Cons
... addition, the client-library support isn't that good outside the world of Java and .NET
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How to manage REST API versioning with spring?
... // and to /v3/x/c
}
Implementation:
ApiVersion.java annotation:
@Target({ElementType.METHOD, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
public @interface ApiVersion {
int[] value();
}
ApiVersionRequestMappingHandlerMapping.java (this is mostly copy and ...
How to use PrimeFaces p:fileUpload? Listener method is never invoked or UploadedFile is null / throw
...t;h:head> in the (master) template. This will ensure that the necessary JavaScript files are properly included. This is not required for mode="simple" (non-ajax upload), but this would break look'n'feel and functionality of all other PrimeFaces components, so you don't want to miss that anyway.
W...
What is the significance of 1/1/1753 in SQL Server?
...ric dates.
This contrasts with other Software implementations such as the Java Gregorian Calendar class which defaults to following the Julian Calendar for dates until October 4, 1582 then jumping to October 15, 1582 in the new Gregorian calendar. It correctly handles the Julian model of leap year ...
How do I get the current GPS location programmatically in Android?
...s not available then try to use network for find the location.
GPSTracker.java
public class GPSTracker extends Service implements LocationListener {
private final Context mContext;
// Flag for GPS status
boolean isGPSEnabled = false;
// Flag for network status
boolean isNet...
App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网
...DP 地址方案，请参阅 UdpClient：地址解析/地址方案。有关 Java 中的端点，请参阅 UdpClient：地址解析/Java。
在网络上相互通信的设备称为“端点”或“主机”（它们并不完全相同，但这两个术语通常被同等使用）。因此发送者被...
Why / when would it be appropriate to override ToString?
...t's state. Emphasis on state as a requirement. Strongly OOP languages like Java/C# abuse the OOP model by encapsulating everything in a class. Imagine you are coding in a language that doesn't follow the strong OOP model; consider whether you'd use a class or a function. If you would use it as a fun...