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Is there an MD5 Fixed Point where md5(x) == x?
...e an MD5 sum is 128 bits long, any fixed point would necessarily also have to be 128 bits long. Assuming that the MD5 sum of any string is uniformly distributed over all possible sums, then the probability that any given 128-bit string is a fixed point is 1/2128.
Thus, the probability that no 128-...
How do I horizontally center a span element inside a div
I am trying to center the two links 'view website' and 'view project' inside the surrounding div. Can someone point out what I need to do to make this work?
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What is in your Mathematica tool bag? [closed]
... also often lacks critical functionality. What kind of external packages / tools / resources do you use with Mathematica?
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How to check if a line is blank using regex
I am trying to make simple regex that will check if a line is blank or not.
7 Answers
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Is it possible to run a single test in MiniTest?
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I'm looking for similar functionality to rspec path/to/file.rb -l 25
Yup! Use Nick Quaranto's "m" gem. With it you can say:
m spec/my_spec.rb:25
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Android - Set fragment id
...ring tag that you can set inside the FragmentTransaction which can be used to uniquely identify a Fragment.
As Aleksey pointed out, you can pass an ID to FragmentTransaction's add(int, Fragment) method. However, this does not specify the ID for a Fragment. It specifies the ID of a ViewGroup to inse...
Git status - is there a way to show changes only in a specific directory?
I would like to see a list of files modified since the last commit, as git status shows, but I care only about files located in a single directory. Is there a way to do this? I tried git status <directory> , but it seems this does something completely different (lists all changed files, as ...
JavaScript data formatting/pretty printer
I'm trying to find a way to pretty print a JavaScript data structure in a human-readable form for debugging.
15 Answers
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ANTLR: Is there a simple example?
I'd like to get started with ANTLR, but after spending a few hours reviewing the examples at the antlr.org site, I still can't get a clear understanding of the grammar to Java process.
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Print the contents of a DIV
Whats the best way to print the contents of a DIV?
25 Answers
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