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Why do I need to override the equals and hashCode methods in Java?
...), which will prevent your class from functioning properly in conjunction with all hash-based collections, including HashMap, HashSet, and Hashtable.
Let's try to understand it with an example of what would happen if we override equals() without overriding hashCode() and attempt to use a Map.
Say w...
Unicode characters in URLs
...ing. Modern browsers will take care of display & paste issues and make it human-readable. E. g. http://ko.wikipedia.org/wiki/위키백과:대문
Edit: when you copy such an url in Firefox, the clipboard will hold the percent-encoded form (which is usually a good thing), but if you copy only a p...
HTTP Error 503, the service is unavailable
...rvers in general. I've got IIS 8 on Windows 8, and I'm trying to set up a little site locally, while doing some development. In IIS I choose Add Site, give a name, points to a location where I have a index.html file (I've tried different locations, latest in a c:\inetpub\wwwroot\test -folder) and ...
Difference between natural join and inner join
...follow
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edited Sep 1 '19 at 9:11
answered Jan 1 '12 at 23:51
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node.js remove file
How do I delete a file with node.js?
16 Answers
16
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Recommended Vim plugins for JavaScript coding? [closed]
I'm new to JS & Vim. Which plugins would help me to write Javascript code?
5 Answers
5...
How to pre-populate the sms body text via an html link
How to use an html link to open the sms app with a pre-filled body?
20 Answers
20
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Java Embedded Databases Comparison [closed]
...e of the available products , but I can't decide which one would be more suitable for me. H2 , HSQLDB , Derby and Berkeley DB seem to be good candidates, but I still don't see how they compare to each other. I appreciate your help comparing them and helping me decide which one to use.
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Best XML Parser for PHP [duplicate]
I have used the XML Parser before, and even though it worked OK, I wasn't happy with it in general, it felt like I was using workarounds for things that should be basic functionality.
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What is the garbage collector in Java?
...am new to Java and confused about the garbage collector in Java. What does it actually do and when does it comes into action. Please describe some of the properties of the garbage collector in Java.
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