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How to extract a substring using regex

I have a string that has two single quotes in it, the ' character. In between the single quotes is the data I want. 13 An...
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How do I generate random numbers in Dart?

How do I generate random numbers using Dart? 13 Answers 13 ...
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“rm -rf” equivalent for Windows?

... RMDIR or RD if you are using the classic Command Prompt (cmd.exe): rd /s /q "path" RMDIR [/S] [/Q] [drive:]path RD [/S] [/Q] [drive:]path /S Removes all directories and files in the specified directory in addition to the directory itsel...
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Number of days in particular month of particular year?

... Java 8 and later @Warren M. Nocos. If you are trying to use Java 8's new Date and Time API, you can use java.time.YearMonth class. See Oracle Tutorial. // Get the number of days in that month YearMonth yearMonthObject = YearMonth.of(1999, 2); int daysInMonth = yearMonthObjec...
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Using comma as list separator with AngularJS

... You could do it this way: <b ng-repeat="email in friend.email">{{email}}{{$last ? '' : ', '}}</b> ..But I like Philipp's answer :-) share | imp...
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How do you comment out code in PowerShell?

...t a comment. # This is a comment in Powershell In PowerShell V2 <# #> can be used for block comments and more specifically for help comments. #REQUIRES -Version 2.0 <# .SYNOPSIS A brief description of the function or script. This keyword can be used only once in each topic. .DE...
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ignoring any 'bin' directory on a git project

... Before version 1.8.2, ** didn't have any special meaning in the .gitignore. As of 1.8.2 git supports ** to mean zero or more sub-directories (see release notes). The way to ignore all directories called bin anywhere below the current level in a directory tree is with a .gitignor...
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What is the reason for having '//' in Python? [duplicate]

... In Python 3, they made the / operator do a floating-point division, and added the // operator to do integer division (i.e. quotient without remainder); whereas in Python 2, the / operator was simply integer division, unless one of the operands was already a floating point nu...
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Android Studio rendering problems

I'm using Android Studio 0.2.3 and when opened an activity layout normally, the preview should appear on the right side, so that I can switch between Text and Design mode, which should again show the preview of the layout. ...
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What is Persistence Context?

I am new to the Java world and JPA. I was studying JPA and came across many new terms like Entity, persistence. While reading, I could not understand the exact definition for Persistence Context . ...