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Java: recommended solution for deep cloning/copying an instance
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For deep cloning (clones the entire object hierarchy):
commons-lang SerializationUtils - using serialization - if all classes are in your control and you can force implementing Serializable.
Java Deep Cloning Library - using...
How to detect IE11?
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IE11 no longer reports as MSIE, according to this list of changes it's intentional to avoid mis-detection.
What you can do if you really want to know it's IE is to detect the Trident/ string in the user agent if navigator.appName returns Nets...
How do you run a crontab in Cygwin on Windows?
...n jobs to send email of any output you'll also need to install either exim or ssmtp (before running cron-config.)
See /usr/share/doc/Cygwin/cron-*.README for more details.
Regarding programs without a .exe extension, they are probably shell scripts of some type. If you look at the first line of t...
How can I apply a function to every row/column of a matrix in MATLAB?
You can apply a function to every item in a vector by saying, for example, v + 1 , or you can use the function arrayfun . How can I do it for every row/column of a matrix without using a for loop?
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How do I include a JavaScript file in another JavaScript file?
Is there something in JavaScript similar to @import in CSS that allows you to include a JavaScript file inside another JavaScript file?
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What REALLY happens when you don't free after malloc?
This has been something that has bothered me for ages now.
17 Answers
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Java: difference between strong/soft/weak/phantom reference
...e Object. This kind of reference makes the referenced object not eligible for GC. That is, whenever an object is referenced by a chain of strong Reference Objects, it cannot be garbage collected.
Weak Reference Object
WeakReference<StringBuilder> weakBuilder = new WeakReference<StringBuil...
Why catch and rethrow an exception in C#?
...in the exception to the point where this throw statement is; losing the information about where the exception actually was created.
Second, if you just catch and re-throw like that, I see no added value, the code example above would be just as good (or, given the throw ex bit, even better) without ...
How to create the perfect OOP application [closed]
Recently I was trying for a company ‘x’. They sent me some set of questions and told me to solve only one.
12 Answers
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Choosing between MEF and MAF (System.AddIn)
The Managed Extensibility Framework (MEF) and Managed AddIn Framework (MAF, aka System.AddIn) seem to accomplish very similar tasks. According to this Stack Overflow question, Is MEF a replacement for System.Addin? , you can even use both at the same time.
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