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what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
Are they supposed to be equal?
6 Answers
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What is the explicit promise construction antipattern and how do I avoid it?
I was writing code that does something that looks like:
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Does bit-shift depend on endianness?
...e the number 'numb'=1025 [00000000 00000000 00000100 00000001] represented:
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Java to Clojure rewrite
I have just been asked by my company to rewrite a largish (50,000 single lines of code) Java application (a web app using JSP and servlets) in Clojure. Has anyone else got tips as to what I should watch out for?
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What is the advantage of using forwarding references in range-based for loops?
const auto& would suffice if I want to perform read-only operations. However, I have bumped into
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Rename specific column(s) in pandas
I've got a dataframe called data . How would I rename the only one column header? For example gdp to log(gdp) ?
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java.net.URLEncoder.encode(String) is deprecated, what should I use instead?
I get the following warning when using java.net.URLEncoder.encode :
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Python “extend” for a dictionary
What is the best way to extend a dictionary with another one while avoiding the use of a for loop? For instance:
7 Answer...
Why does find -exec mv {} ./target/ + not work?
I want to know exactly what {} \; and {} \+ and | xargs ... do. Please clarify these with explanations.
5 Answers
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Append a dictionary to a dictionary [duplicate]
I have two existing dictionaries, and I wish to 'append' one of them to the other. By that I mean that the key,values of the other dictionary should be made into the first dictionary. For example:
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