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How do you know when to use fold-left and when to use fold-right?
I'm aware that fold-left produces left-leaning trees and fold-right produces right-leaning trees, but when I reach for a fold, I sometimes find myself getting bogged down in headache-inducing thought trying to determine which kind of fold is appropriate. I usually end up unwinding the entire proble...
Elastic search, multiple indexes vs one index and types for different data sets?
I have an application developed using the MVC pattern and I would like to index now multiple models of it, this means each model has a different data structure.
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how to ignore namespaces with XPath
My goal is to extract certain nodes from multiple xml files with multiple namespaces using XPath. Everything works fine as long as i know the namespace URIs. The namespace name itself remains constant, but the Schemas (XSD) are sometimes client-generated i.e. unknown to me. Then i am left with basic...
The Concept of 'Hold space' and 'Pattern space' in sed
I'm confused by the two concepts in sed: hold space and pattern space. Can someone help explain them?
3 Answers
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Should *.xccheckout files in Xcode5 be ignored under VCS?
Apple has introduced a new project-related type of file in Xcode 5: "xccheckout".
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How can I get a Bootstrap column to span multiple rows?
I'm trying to figure out how to do the following grid with Bootstrap.
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How do I flush the PRINT buffer in TSQL?
I have a very long-running stored procedure in SQL Server 2005 that I'm trying to debug, and I'm using the 'print' command to do it. The problem is, I'm only getting the messages back from SQL Server at the very end of my sproc - I'd like to be able to flush the message buffer and see these messages...
Behaviour for significant change location API when terminated/suspended?
This is the section from the CLLocationManager documentation describing the app behavior with startMonitoringSignificantLocationChanges :
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Execution of Python code with -m option or not
The python interpreter has -m module option that "Runs library module module as a script".
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Overflow to left instead of right
I have a div with overflow:hidden , inside which I show a phone number as the user types it. The text inside the div is aligned to right and incoming characters are added to right as the text grows to left.
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