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Swapping two variable value without using third variable
One of the very tricky questions asked in an interview.
27 Answers
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Salting Your Password: Best Practices?
I've always been curious... Which is better when salting a password for hashing: prefix, or postfix? Why? Or does it matter, so long as you salt?
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Concept behind these four lines of tricky C code
Why does this code give the output C++Sucks ? What is the concept behind it?
9 Answers
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Can I embed a custom font in an iPhone application?
I would like to have an app include a custom font for rendering text, load it, and then use it with standard UIKit elements like UILabel . Is this possible?
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How to check iOS version?
I want to check if the iOS version of the device is greater than 3.1.3
I tried things like:
37 Answers
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How do you change Background for a Button MouseOver in WPF?
I have a button on my page with this XAML:
6 Answers
6
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Avoid browser popup blockers
I'm developing an OAuth authentication flow purely in JavaScript and I want to show the user the "grant access" window in a popup, but it gets blocked.
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Illegal pattern character 'T' when parsing a date string to java.util.Date
I have a date string and I want to parse it to normal date use the java Date API,the following is my code:
3 Answers
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How to indicate param is optional using inline JSDoc?
According to the JSDoc wiki for @param you can indicate a @param is optional using
4 Answers
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How to assign from a function which returns more than one value?
Still trying to get into the R logic... what is the "best" way to unpack (on LHS) the results from a function returning multiple values?
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