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how to show progress bar(circle) in an activity having a listview before loading the listview with d

... ListView in my second activity.OnItemClick of it I called a webservice and trying to fetch data. And after that I am moving to third activity which also have a ListView having description of previous activities ListView item. ...
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What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?

...y what Write-Host is doing behind the scenes. Run this demonstration code and examine the result. function Test-Output { Write-Output "Hello World" } function Test-Output2 { Write-Host "Hello World" -foreground Green } function Receive-Output { process { Write-Host $_ -foreground Ye...
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What is the purpose of the single underscore “_” variable in Python?

...nt) in an interactive interpreter session. This precedent was set by the standard CPython interpreter, and other interpreters have followed suit As a general purpose "throwaway" variable name to indicate that part of a function result is being deliberately ignored (Conceptually, it is being discarde...
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SQL WHERE.. IN clause multiple columns

... You can make a derived table from the subquery, and join table1 to this derived table: select * from table1 LEFT JOIN ( Select CM_PLAN_ID, Individual_ID From CRM_VCM_CURRENT_LEAD_STATUS Where Lead_Key = :_Lead_Key ) table2 ON table1.CM_PLAN_ID=table2.CM_PLAN...
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Expert R users, what's in your .Rprofile? [closed]

I have always found startup profile files of other people both useful and instructive about the language. Moreover, while I have some customization for Bash and Vim , I have nothing for R. ...
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Performance difference between IIf() and If

... "Alternative") The first is basically C#'s ternary conditional operator and the second is its coalesce operator (return result unless it’s Nothing, in which case return "Alternative"). If has thus replaced IIf and the latter is obsolete. Like in C#, VB's conditional If operator short-circuits,...
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How to get browser width using JavaScript code?

...elevant portion is found on line 37 of dimensions.js. Here it is extracted and modified to work standalone: function getWidth() { return Math.max( document.body.scrollWidth, document.documentElement.scrollWidth, document.body.offsetWidth, document.documentElement.offsetWi...
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Java 8 functional interface with no arguments and no return value

What is the Java 8 functional interface for a method that takes nothing and returns nothing? 3 Answers ...
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Suppressing “warning CS4014: Because this call is not awaited, execution of the current method conti

... This is a handy little language feature that I just cannot remember. It's like there's a _ = ... in my brain. – Marc L. Mar 14 '18 at 14:29 ...
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Java system properties and environment variables

What's the difference between system properties System.getProperties() and environment variables System.getenv() in a JVM? ...