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Java: when to use static methods

I am wondering when to use static methods? Say if I have a class with a few getters and setters, a method or two, and I want those methods only to be invokable on an instance object of the class. Does this mean I should use a static method? ...
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Database design for a survey [closed]

I need to create a survey where answers are stored in a database. I'm just wondering what would be the best way to implement this in the database, specifically the tables required. The survey contains different types of questions. For example: text fields for comments, multiple choice questions, and...
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Why are floating point numbers inaccurate?

Why do some numbers lose accuracy when stored as floating point numbers? 6 Answers 6 ...
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How do I test a camera in the iPhone simulator?

Is there any way to test the iPhone camera in the simulator without having to deploy on a device? This seems awfully tedious. ...
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Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?

The following are two methods of building a link that has the sole purpose of running JavaScript code. Which is better, in terms of functionality, page load speed, validation purposes, etc.? ...
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Fastest exit strategy for a Panic Button in Crisis/Abuse Websites? [closed]

I am doing a website for a Women's Abuse Resource Center. A lot of centers like this have what is referred to by the centers as a "Panic Button". An example of a basic one is found here at the top of every page in the green bar. ...
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How does RewriteBase work in .htaccess

I have seen this in a few .htaccess examples 8 Answers 8 ...
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Generating v5 UUID. What is name and namespace?

I've read the man page, but I do not undestand what name and namespace are for. 3 Answers ...
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Javascript Array.sort implementation?

Which algorithm does the JavaScript Array#sort() function use? I understand that it can take all manner of arguments and functions to perform different kinds of sorts, I'm simply interested in which algorithm the vanilla sort uses. ...
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Is SHA-1 secure for password storage?

Conclusion: SHA-1 is as safe as anything against preimage attacks, however it is easy to compute, which means it is easier to mount a bruteforce or dictionary attack. (The same is true for successors like SHA-256.) Depending on the circumstances, a hash function which was designed to be computation...