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How to “EXPIRE” the “HSET” child key in redis?

...slot. We could actually write a Lua script to do those steps in the server by executing an EVAL or EVALSHA command. Again, you need to take into consideration the performance of this approach for your particular scenario. Some more references: https://redis.io/commands/cluster-keyslot https://red...
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Mockito: Stubbing Methods That Return Type With Bounded Wild-Cards

...xcept that I made it slightly more generic, because my error wasn't caused by a java.util.List, but the com.google.common.base.Optional. My little helper method therefore allows for any type T and not just List<T>: public static <T> Answer<T> createAnswer(final T value) { Answ...
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S3 Static Website Hosting Route All Paths to Index.html

...ith the deployment strategy. Writing a small js to redirect is kind of shabby approach. Also, the number of redirects is a problem too. I am trying to figure if there is a way for all S3 urls to point to index.html always. – moha297 Feb 12 '16 at 3:24 ...
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How to print without newline or space?

... time. If you are having trouble with buffering, you can flush the output by adding flush=True keyword argument: print('.', end='', flush=True) Python 2.6 and 2.7 From Python 2.6 you can either import the print function from Python 3 using the __future__ module: from __future__ import print_fu...
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Tools for making latex tables in R [closed]

...sted heirarchies. library(datasets) library(taRifx) library(xtable) test.by <- bytable(ChickWeight$weight, list( ChickWeight$Chick, ChickWeight$Diet) ) colnames(test.by) <- c('Diet','Chick','Mean Weight') print(latex.table.by(test.by), include.rownames = FALSE, include.colnames = TRUE, sanit...
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Difference between matches() and find() in Java Regex

...calling .find() more than once may have different results if not preceeded by reset(), while matches() will always return same result. See my answer below. – L. Holanda Nov 20 '15 at 22:35 ...
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Is it possible to stop JavaScript execution? [duplicate]

...oment it was frozen. Do you want to stop your application arbitrarily and by design? On error? Instead of trying to stop everything, let your code handle the error. Read about Exceptions by googling. They are a smart way to let your code "jump" to error handling procedures without using tedious i...
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Entity framework self referencing loop detected [duplicate]

...o the object. Other responses focused in changing the list being returned by excluding data or by making a facade object and sometimes that is not an option. Using the JsonIgnore attribute to restrict the references can be time consuming and if you want to serialize the tree starting from another ...
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Mathematical functions in Swift

...rt UIKit. import UIKit You can easily discover your playground platform by opening File Inspector (⌥⌘1). share | improve this answer | follow | ...
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Apache Spark: map vs mapPartitions?

...rts each element of the source RDD into a single element of the result RDD by applying a function. mapPartitions converts each partition of the source RDD into multiple elements of the result (possibly none). And does flatMap behave like map or like mapPartitions? Neither, flatMap works on a s...