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Get operating system info
I recently started wondering about sites like http://thismachine.info/ that get the user's operating system info. I have not been able to find out how to do that with PHP, and wanted to try to figure it out.
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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...
What's the best way to make a d3.js visualisation layout responsive?
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Actually setting just viewBox and preserveAspectRatio to an SVG with width height set to 100% of parent, and parent being a bootstrap/flex grid works for me without handling the resize event
– Deepu
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Haskell: Lists, Arrays, Vectors, Sequences
... editor after snippets, if snippets enabled
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How to convert/parse from String to char in java?
How do I parse a String value to a char type, in Java?
14 Answers
14
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Get difference between two lists
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In [5]: list(set(temp1) - set(temp2))
Out[5]: ['Four', 'Three']
Beware that
In [5]: set([1, 2]) - set([2, 3])
Out[5]: set([1])
where you might expect/want it to equal set([1, 3]). If you do want set([1, 3]) as your answer, you'll n...
Why do stacks typically grow downwards?
...ughts on the matter are that early CPUs got their original program counter set to 0 and it was a natural desire to start the stack at the other end and grow downwards, since their code naturally grows upward.
As an aside, note that this setting of the program counter to 0 on reset is not the cas...
Is it possible to run a single test in MiniTest?
I can run all tests in a single file with:
13 Answers
13
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CMake unable to determine linker language with C++
...o determine the language of the code correctly you can use the following:
set_target_properties(hello PROPERTIES LINKER_LANGUAGE CXX)
The accepted answer that suggests appending the language to the project() statement simply adds more strict checking for what language is used (according to the do...
How to get multiple selected values of select box in php?
...from which you can select multiple values because its multiple property is set to multiple. Consider form method is 'GET'. The html code for the form is as follows:
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