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Oren (electricessence)
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‎.gitignore‎

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## Ignore Visual Studio temporary files, build results, and
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## files generated by popular Visual Studio add-ons.
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# User-specific files
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*.suo
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*.user
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*.userosscache
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*.sln.docstates
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# User-specific files (MonoDevelop/Xamarin Studio)
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*.userprefs
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# Build results
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[Dd]ebug/
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[Dd]ebugPublic/
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[Rr]elease/
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[Rr]eleases/
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x64/
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x86/
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bld/
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[Bb]in/
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[Oo]bj/
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[Ll]og/
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# Visual Studio 2015 cache/options directory
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.vs/
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# Uncomment if you have tasks that create the project's static files in wwwroot
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#wwwroot/
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# MSTest test Results
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[Tt]est[Rr]esult*/
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[Bb]uild[Ll]og.*
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# NUNIT
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*.VisualState.xml
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TestResult.xml
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# Build Results of an ATL Project
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[Dd]ebugPS/
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[Rr]eleasePS/
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dlldata.c
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# DNX
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project.lock.json
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project.fragment.lock.json
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artifacts/
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*_i.c
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*_p.c
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*_i.h
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*.ilk
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*.meta
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*.obj
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*.pch
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*.pdb
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*.pgc
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*.pgd
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*.rsp
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*.sbr
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*.tlb
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*.tli
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*.tlh
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*.tmp
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*.tmp_proj
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*.log
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*.vspscc
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*.vssscc
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.builds
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*.pidb
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*.svclog
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*.scc
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# Chutzpah Test files
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_Chutzpah*
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# Visual C++ cache files
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ipch/
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*.aps
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*.ncb
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*.opendb
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*.opensdf
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*.sdf
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*.cachefile
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*.VC.db
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*.VC.VC.opendb
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# Visual Studio profiler
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*.psess
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*.vsp
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*.vspx
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*.sap
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# TFS 2012 Local Workspace
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$tf/
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# Guidance Automation Toolkit
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*.gpState
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# ReSharper is a .NET coding add-in
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_ReSharper*/
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*.[Rr]e[Ss]harper
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*.DotSettings.user
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# JustCode is a .NET coding add-in
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.JustCode
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# TeamCity is a build add-in
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_TeamCity*
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# DotCover is a Code Coverage Tool
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*.dotCover
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# NCrunch
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_NCrunch_*
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.*crunch*.local.xml
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nCrunchTemp_*
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# MightyMoose
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*.mm.*
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AutoTest.Net/
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# Web workbench (sass)
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.sass-cache/
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# Installshield output folder
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[Ee]xpress/
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# DocProject is a documentation generator add-in
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DocProject/buildhelp/
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DocProject/Help/*.HxT
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DocProject/Help/*.HxC
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DocProject/Help/*.hhc
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DocProject/Help/*.hhk
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DocProject/Help/*.hhp
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DocProject/Help/Html2
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DocProject/Help/html
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# Click-Once directory
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publish/
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# Publish Web Output
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*.[Pp]ublish.xml
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*.azurePubxml
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# TODO: Comment the next line if you want to checkin your web deploy settings
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# but database connection strings (with potential passwords) will be unencrypted
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#*.pubxml
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*.publishproj
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# Microsoft Azure Web App publish settings. Comment the next line if you want to
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# checkin your Azure Web App publish settings, but sensitive information contained
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# in these scripts will be unencrypted
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PublishScripts/
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# NuGet Packages
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*.nupkg
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# The packages folder can be ignored because of Package Restore
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**/packages/*
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# except build/, which is used as an MSBuild target.
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!**/packages/build/
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# Uncomment if necessary however generally it will be regenerated when needed
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#!**/packages/repositories.config
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# NuGet v3's project.json files produces more ignoreable files
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*.nuget.props
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*.nuget.targets
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# Microsoft Azure Build Output
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csx/
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*.build.csdef
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# Microsoft Azure Emulator
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ecf/
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rcf/
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# Windows Store app package directories and files
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AppPackages/
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BundleArtifacts/
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Package.StoreAssociation.xml
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_pkginfo.txt
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# Visual Studio cache files
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# files ending in .cache can be ignored
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*.[Cc]ache
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# but keep track of directories ending in .cache
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!*.[Cc]ache/
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# Others
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ClientBin/
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~$*
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*~
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*.dbmdl
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*.dbproj.schemaview
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*.jfm
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*.pfx
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*.publishsettings
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node_modules/
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orleans.codegen.cs
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# Since there are multiple workflows, uncomment next line to ignore bower_components
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# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
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#bower_components/
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# RIA/Silverlight projects
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Generated_Code/
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# Backup & report files from converting an old project file
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# to a newer Visual Studio version. Backup files are not needed,
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# because we have git ;-)
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_UpgradeReport_Files/
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Backup*/
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UpgradeLog*.XML
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UpgradeLog*.htm
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# SQL Server files
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*.mdf
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*.ldf
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# Business Intelligence projects
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*.rdl.data
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*.bim.layout
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*.bim_*.settings
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# Microsoft Fakes
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FakesAssemblies/
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# GhostDoc plugin setting file
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*.GhostDoc.xml
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# Node.js Tools for Visual Studio
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.ntvs_analysis.dat
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# Visual Studio 6 build log
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*.plg
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# Visual Studio 6 workspace options file
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*.opt
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# Visual Studio LightSwitch build output
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**/*.HTMLClient/GeneratedArtifacts
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**/*.DesktopClient/GeneratedArtifacts
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**/*.DesktopClient/ModelManifest.xml
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**/*.Server/GeneratedArtifacts
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**/*.Server/ModelManifest.xml
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_Pvt_Extensions
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# Paket dependency manager
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.paket/paket.exe
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paket-files/
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# FAKE - F# Make
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.fake/
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# JetBrains Rider
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.idea/
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*.sln.iml
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# CodeRush
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.cr/
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# Python Tools for Visual Studio (PTVS)
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__pycache__/
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*.pyc

‎Lock.cs‎

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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Threading;
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namespace Open.Threading
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{
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/// <summary>
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/// A simple lock class for allowing for a timeout. If no timeout is desired, then simply use the lock(){} statement.
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///
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/// Example:
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/// <code>
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/// using(new Lock(sync,1000)) // If the timeout expires an exception is thrown.
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/// {
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/// // do some synchronized work.
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/// }
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/// </code>
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/// ...or...
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/// <code>
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/// using(var syncLock = new Lock(sync,1000,false)) // If the timeout expires an exception is thrown.
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/// {
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/// if(!syncLock.LockHeld)
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/// {
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/// // Do some unsynchronized work.
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/// }
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/// {
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/// // do some synchronized work.
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/// }
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/// }
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/// </code>
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/// </summary>
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public class Lock : LockBase<object>
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{
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public Lock(object target, int millisecondsTimeout, bool throwIfTimeout = true)
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: base(target, Monitor.TryEnter(target, millisecondsTimeout))
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{
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if (!LockHeld && throwIfTimeout)
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throw new TimeoutException(String.Format(
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"Could not acquire a lock within the timeout specified. (millisecondsTimeout={0})", millisecondsTimeout));
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}
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protected override void OnDispose(object target)
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{
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if (target != null) Monitor.Exit(target);
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}
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}
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}

‎LockBase.cs‎

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/*!
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* @author electricessence / https://github.com/electricessence/
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* Licensing: MIT https://github.com/electricessence/Open/blob/dotnet-core/LICENSE.md
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* Based upon code from Stephen Cleary's Nitro library.
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*/
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using System;
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using System.Threading;
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namespace Open.Threading
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{
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public abstract class LockBase<TSync> : IDisposable
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where TSync : class
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{
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protected TSync _target;
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public readonly bool LockHeld;
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protected LockBase(TSync target, bool lockHeld)
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{
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LockHeld = lockHeld;
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if (lockHeld)
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_target = target;
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}
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protected abstract void OnDispose(TSync target);
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public void Dispose()
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{
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OnDispose(Interlocked.Exchange(ref _target, null));
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}
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}
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}

‎LockType.cs‎

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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace Open.Threading
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{
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public enum LockType : byte
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{
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Read,
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ReadUpgradeable,
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Write
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}
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}

‎Open.Threading.ReadWrite.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>netcoreapp1.1</TargetFramework>
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<RootNamespace>Open.Threading</RootNamespace>
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<GeneratePackageOnBuild>True</GeneratePackageOnBuild>
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<Authors>electricessence</Authors>
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<Company />
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<Product />
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<PackageLicenseUrl>https://github.com/electricessence/Open/blob/master/LICENSE</PackageLicenseUrl>
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<Description>Useful set of extensions and classes for simplifying and optimizing read-write synchronization.
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Part of the "Open" set of libraries.</Description>
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<Version>1.0.1</Version>
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<AssemblyVersion>1.0.0.1</AssemblyVersion>
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<FileVersion>1.0.0.1</FileVersion>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Open.Diagnostics" Version="1.0.1" />
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<PackageReference Include="Open.Disposable" Version="1.0.0" />
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</ItemGroup>
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</Project>

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