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Can two different strings generate the same MD5 hash code?
For each of our binary assets we generate a MD5 hash. This is used to check whether a certain binary asset is already in our application. But is it possible that two different binary assets generate the same MD5 hash. So is it possible that two different strings generate the same MD5 hash?
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How to wait for several Futures?
Suppose I have several futures and need to wait until either any of them fails or all of them succeed.
8 Answers
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Correct way to write line to file?
I'm used to doing print >>f, "hi there"
14 Answers
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What breaking changes are introduced in C++11?
I know that at least one of the changes in C++11 that will cause some old code to stop compiling: the introduction of explicit operator bool() in the standard library, replacing old instances of operator void*() . Granted, the code that this will break is probably code that should not have been v...
Pure virtual function with implementation
My basic understanding is that there is no implementation for a pure virtual function, however, I was told there might be implementation for pure virtual function.
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Move branch pointer to different commit without checkout
To move the branch pointer of a checked out branch, one can use the git reset --hard command. But how to move the branch pointer of a not-checked out branch to point at a different commit (keeping all other stuff like tracked remote branch)?
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Why does Double.NaN==Double.NaN return false?
I was just studying OCPJP questions and I found this strange code:
9 Answers
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What is the instanceof operator in JavaScript?
The instanceof keyword in JavaScript can be quite confusing when it is first encountered, as people tend to think that JavaScript is not an object-oriented programming language.
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Grep not as a regular expression
I need to search for a PHP variable $someVar . However, Grep thinks that I am trying to run a regex and is complaining:
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Why does scanf() need “%lf” for doubles, when printf() is okay with just “%f”?
Why is it that scanf() needs the l in " %lf " when reading a double , when printf() can use " %f " regardless of whether its argument is a double or a float ?
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