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How to concatenate stdin and a string?

...nt is then: echo 'http://dx.doi.org/'"$(pbpaste)" The $(...) syntax is called command substitution. In short, it executes the commands enclosed in a new subshell, and substitutes the its stdout output to where the $(...) was invoked in the parent shell. So you would get, in effect: echo 'http://...
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Calculate the number of business days between two dates?

...ad such a task before and I've got the solution. I would avoid enumerating all days in between when it's avoidable, which is the case here. I don't even mention creating a bunch of DateTime instances, as I saw in one of the answers above. This is really waste of processing power. Especially in the r...
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Best practice to call ConfigureAwait for all server-side code

...is it considered best practice that any time you await functions that you call ConfigureAwait(false) ? 4 Answers ...
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What is a good use case for static import of methods?

...e your program unreadable and unmaintainable, polluting its namespace with all the static members you import. Readers of your code (including you, a few months after you wrote it) will not know which class a static member comes from. Importing all of the static members from a class can be particular...
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Difference between HBase and Hadoop/HDFS

... Hadoop is basically 3 things, a FS (Hadoop Distributed File System), a computation framework (MapReduce) and a management bridge (Yet Another Resource Negotiator). HDFS allows you store huge amounts of data in a distributed (provides faster...
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Script Tag - async & defer

... page display in new browsers that support defer, but it won't help you at all in older browsers and it isn't really any faster than just putting the scripts right before </body> which works in all browsers. So, you can see why it's just best to put them right before </body>. Async is ...
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Most underused data visualization [closed]

... I really agree with the other posters: Tufte's books are fantastic and well worth reading. First, I would point you to a very nice tutorial on ggplot2 and ggobi from "Looking at Data" earlier this year. Beyond that I would ju...
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How to determine when a Git branch was created?

... master` If you’d rather see it in context using gitk, then use gitk --all --select-commit=`git merge-base foo master` (where foo is the name of the branch you are looking for.) share | impro...
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How to round up to the nearest 10 (or 100 or X)?

...en just define: roundUp <- function(x) 10^ceiling(log10(x)) This actually also works when x is a vector: > roundUp(c(0.0023, 3.99, 10, 1003)) [1] 1e-02 1e+01 1e+01 1e+04 ..but if you want to round to a "nice" number, you first need to define what a "nice" number is. The following lets us...
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How do I submit disabled input in ASP.NET MVC?

...del.p1, new { @readonly = "readonly" }) %> how can I gray it out so visually it looks like it is not editable. Better yet can we use something similar to LabelFor, I tried LabelFor but it only gets the DisplayName.... – VoodooChild Nov 26 '10 at 22:32 ...