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R memory management / cannot allocate vector of size n Mb

...eate the object you need in one session. If the above cannot help, get a 64-bit machine with as much RAM as you can afford, and install 64-bit R. If you cannot do that there are many online services for remote computing. If you cannot do that the memory-mapping tools like package ff (or bigmem...
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'float' vs. 'double' precision

...(These are all diadic rationals with numerator fitting in the mantissa and base-2 logarithm of the denominator fitting in the exponent.) – R.. GitHub STOP HELPING ICE Feb 24 '11 at 1:12 ...
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Get Unix Epoch Time in Swift

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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“/usr/bin/ld: cannot find -lz”

...lib1g-dev did not fix it. Installing lib32z1-dev got me past it. I have a 64 bit system and it seems like it wanted the 32 bit library. share | improve this answer | follow ...
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What is data oriented design?

...ntities in your mental model of the problem. Since data is lumped together based on data usage, you won't always have sensible names to give your classes in Data Oriented Design. Relation to relational databases The thinking behind Data Oriented Design is very similar to how you think about relati...
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How to sparsely checkout only one single file from a git repository?

...it doesn't store files as you think (as CVS/SVN do), but it generates them based on the entire history of the project. But there are some workarounds for specific cases. Examples below with placeholders for user, project, branch, filename. GitHub wget https://raw.githubusercontent.com/user/projec...
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Maintain aspect ratio of div but fill screen width and height in CSS?

...tio for the div, and the text matching its scale exactly. Initial size is based on full width: div { width: 100vw; height: calc(100vw * 9 / 16); font-size: 10vw; /* align center */ margin: auto; position: absolute; top: 0px; right: 0px; bottom: 0px; left: 0px; /* visual indicat...
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How to validate an e-mail address in swift?

... let emailRegEx = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}" let emailPred = NSPredicate(format:"SELF MATCHES %@", emailRegEx) return emailPred.evaluate(with: email) } for versions of Swift earlier than 3.0: func isValidEmail(email: String) -> Bool { let emailRe...
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How to find the installed pandas version

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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Generating random strings with T-SQL

...is to compute @dice = rand(@seed) * len(@specials)+1 to make the indexes 1 based. – Remus Rusanu Feb 17 '16 at 13:42 T...