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Is there a difference between foreach and map?

... 'purpose' of map is the new list of values, it doesn't really matters the order of execution. in fact, some execution environments generate parallel code, or even introduce some memoizing to avoid calling for repeated values, or lazyness, to avoid calling some at all. foreach, on the other hand, ...
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Using module 'subprocess' with timeout

... I've modified your code a bit in order to be able to pass native Popen kwargs and put it on gist. It is now ready to use multi purpose; gist.github.com/1306188 – kirpit Nov 9 '11 at 13:07 ...
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What are the implications of using “!important” in CSS? [duplicate]

..., including author !important rules: w3.org/TR/CSS2/cascade.html#cascading-order – ANeves thinks SE is evil Oct 25 '11 at 9:45 1 ...
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Accessing dict keys like an attribute?

...s on it for aesthetic reasons, I continue to use a dict for consistency in order to enhance readability. I'm sure the OP has long-since resolved this to his satisfaction, but if he still wants this functionality, then I suggest he download one of the packages from pypi that provides it: Bunch is ...
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Redis key naming conventions?

... option @EranH., it is the best practice to iterate keys. scan is used in order to incrementally iterate over a collection of elements. – Kishor Pawar May 16 '16 at 11:08 2 ...
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Bulk insert with SQLAlchemy ORM

...ods, which provide hooks into subsections of the unit of work process in order to emit Core-level INSERT and UPDATE constructs with a small degree of ORM-based automation. The example below illustrates time-based tests for several different methods of inserting rows, going from the most a...
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What is “stdafx.h” used for in Visual Studio?

...ine'd in advance of the includes, or by including the headers in different order), that is most often not the case. Most of the time, we have dozens or hundreds of included files, but they all are intended to have the same meaning for all the Cpp files being compiled in your application. The compil...
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Biggest GWT Pitfalls? [closed]

...s your data back and forth via the RPC mechanism. Problem: Sometimes in order to populate your GWT page, you need to make a server call when the page first loads. It can be annoying for the user to sit there and watch a loading symbol while you fetch the data you need. Solution: In the case of a...
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Reshape three column data frame to matrix (“long” to “wide” format) [duplicate]

...ical: should the row names be in ascending (FALSE) or in descending (TRUE) order? #' @param coldecreasing logical: should the col names be in ascending (FALSE) or in descending (TRUE) order? #' @param default_value numeric: default value of matrix entries if no value exists in data.frame for the ent...
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How to parse JSON in Scala using standard Scala classes?

...rvice.common.kit.{IsvCode} import scala.util.Try /** * */ case class Order(log: String) { implicit lazy val formats = org.json4s.DefaultFormats lazy val json: json4s.JValue = parse(log) lazy val create_time: String = (json \ "create_time").extractOrElse("1970-01-01 00:00:00") lazy v...