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Convert data.frame column format from character to factor
...tml
R Reference card: http://cran.r-project.org/doc/contrib/Short-refcard.pdf
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Is the order of elements in a JSON list preserved?
...rded passage in ecma-international.org/publications/files/ECMA-ST/ECMA-404.pdf 'The JSON syntax does not define any specific meaning to the ordering of the values. However, the JSON array structure is often used in situations where there is some semantics to the ordering. '
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Scalar vs. primitive data type - are they the same thing?
...++ objects
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/1995/N0774.pdf
I'm curious about whether this refers to whether these items would have a value of 'scale'? - Such as counting numbers.
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Faster s3 bucket duplication
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with following config and instance type I was able to sync bucket (309GB, 72K files, us-east-1) within 474 seconds.
For more generic solution consider - AWS DataPipeLine or S3 cross-region replication.
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Get a list of all git commits, including the 'lost' ones
...ound.commits
That gives you a file like this:
dangling commit dec2c5e72a81ef06963397a49c4b068540fc0dc3
dangling blob f8c2579e6cbfe022f08345fa7553feb08d60a975
dangling blob 0eb3e86dc112332ceadf9bc826c49bd371acc194
dangling blob 11cbd8eba79e01f4fd7f496b1750953146a09502
dangling commit 18...
Download a file by jQuery.Ajax
...ludes many other, 'better UX' examples as well.
$.fileDownload('some/file.pdf')
.done(function () { alert('File download a success!'); })
.fail(function () { alert('File download failed!'); });
Depending on what browsers you need to support you may be able to use https://github.com/eligre...
How to set commands output as a variable in a batch file
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72
I found this thread on that there Interweb thing. Boils down to:
@echo off
setlocal enableext...
How to strike through obliquely with css
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Mike ChristensenMike Christensen
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What is the difference between parseInt() and Number()?
... construct to perform Numeric type conversion, is the Unary + Operator (p. 72), it is equivalent to using the Number constructor as a function:
+"2e1"; // 20
+"0xF"; // 15
+"010"; // 10
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Git pre-push hooks
...cript: https://github.com/git/git/blob/87c86dd14abe8db7d00b0df5661ef8cf147a72a3/templates/hooks--pre-push.sample
1.8.2 release notes talking about the new pre-push hook: https://github.com/git/git/blob/master/Documentation/RelNotes/1.8.2.txt
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