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Why java.util.Optional is not Serializable, how to serialize the object with such fields
The Enum class is Serializable so there is no problem to serialize object with enums. The other case is where class has fields of java.util.Optional class. In this case the following exception is thrown: java.io.NotSerializableException: java.util.Optional
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How can I redirect HTTP requests made from an iPad?
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The way to get around this limitation of the iPad is to use a HTTP proxy server, such as Squid running on another machine where you can edit the hosts file.
On the iPad Under Settings -> Network -> Wi-Fi -> (Your network) There is a HTTP Proxy setting which can be set to manual. E...
The performance impact of using instanceof in Java
I am working on an application and one design approach involves extremely heavy use of the instanceof operator. While I know that OO design generally tries to avoid using instanceof , that is a different story and this question is purely related to performance. I was wondering if there is any per...
Why should I use Google's CDN for jQuery?
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edited Dec 4 '11 at 20:34
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What is the cleanest way to get the progress of JQuery ajax request?
...pt is very simple: need just to attach the callback to {XMLHTTPRequest}.onprogress
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What is the difference between “AS” and “IS” in an Oracle stored procedure?
I see Oracle procedures sometimes written with "AS", and sometimes with "IS" keyword.
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Immutability of Strings in Java
...r,char) (also available in src.zip in your JDK installation directory -- a pro tip is to look there whenever you wonder how something really works) you can see that what it does is the following:
If there is one or more occurrences of oldChar in the current string, make a copy of the current string...
Running Internet Explorer 6, Internet Explorer 7, and Internet Explorer 8 on the same machine
...1/2014) There are new solutions since this was last updated. Microsoft now provides VMs for any environment to test multiple versions of IE: Modern.IE
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Netty vs Apache MINA
They both provide roughly the same functionality. Which one should I choose to develop my high-performance TCP server? What are the pros & cons?
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Custom fonts and XML layouts (Android)
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edited May 23 '17 at 11:54
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