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What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?
I have tried reading some articles, but I am not very clear on the concepts yet.
4 Answers
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Why are floating point numbers inaccurate?
Why do some numbers lose accuracy when stored as floating point numbers?
6 Answers
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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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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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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
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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...
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...
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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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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