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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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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...
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Should I commit or rollback a read transaction?

I have a read query that I execute within a transaction so that I can specify the isolation level. Once the query is complete, what should I do? ...
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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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How does RewriteBase work in .htaccess

I have seen this in a few .htaccess examples 8 Answers 8 ...
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Regular Expression: Any character that is NOT a letter or number

I'm trying to figure out the regular expression that will match any character that is not a letter or a number. So characters such as (,,@,£,() etc ... ...
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Why are Subjects not recommended in .NET Reactive Extensions?

I am currently getting to grips with the Reactive Extensions framework for .NET and I am working my way through the various introduction resources I've found (mainly http://www.introtorx.com ) ...
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Is there a performance impact when calling ToList()?

When using ToList() , is there a performance impact that needs to be considered? 8 Answers ...
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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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What is the difference between Forking and Cloning on GitHub?

I'd like to know the differences between doing a Fork of a project and doing a clone of it. 9 Answers ...