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The identity used to sign the executable is no longer valid

... to Preferences --> Accounts --> View Details Press the + symbol and select iOS Development Press the refresh button in the lower left corner (called Download all in Xcode 7) PS: Sometimes it may also help to delete invalid provisioning profiles: right-click -> move to trash I saw this...
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How do I convert an enum to a list in C#? [duplicate]

...er way: Enum.GetValues(typeof(SomeEnum)) .Cast<SomeEnum>() .Select(v => v.ToString()) .ToList(); share | improve this answer | follow | ...
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How can I print literal curly-brace characters in python string and also use .format on it?

...ying to format a small JSON for some purposes, like this: '{"all": false, "selected": "{}"}'.format(data) to get something like {"all": false, "selected": "1,2"} It's pretty common that the "escaping braces" issue comes up when dealing with JSON. I suggest doing this: import json data = "1,2" my...
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Targeting .NET Framework 4.5 via Visual Studio 2010

...r (Build -> Configuration Manager) make sure the ".NET 4.5" platform is selected for your project. Still in the configuration manager, create a new solution platform for ".NET 4.5" (you can base it off "Any CPU") and make sure ".NET 4.5" is selected for the solution. Build your project and check ...
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Vim: insert the same characters across multiple lines

...as the start of a text object, which is rather useful on its own, e.g. for selecting inside a tag block (it): share | improve this answer | follow | ...
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SQL- Ignore case while searching for a string

... Use something like this - SELECT DISTINCT COL_NAME FROM myTable WHERE UPPER(COL_NAME) LIKE UPPER('%PriceOrder%') or SELECT DISTINCT COL_NAME FROM myTable WHERE LOWER(COL_NAME) LIKE LOWER('%PriceOrder%') ...
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The difference between bracket [ ] and double bracket [[ ]] for accessing the elements of a list or

...urn the ith sequential element of x. For lists, one generally uses [[ to select any single element, whereas [ returns a list of the selected elements. The [[ form allows only a single element to be selected using integer or character indices, whereas [ allows indexing by vectors. Note though tha...
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How can I force Powershell to return an array when a call only returns one object?

...wmi Win32_NetworkAdapterConfiguration | Where { $_.IPAddress } | Select -Expand IPAddress | Where { $_ -like '*.*.*.*' } | Sort) Specify the data type of the variable as an array: [array]$serverIps = gwmi Win32_NetworkAdapterConfiguration | Where { $_.IPAddress } | S...
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How to force a Solution file (SLN) to be opened in Visual Studio 2013?

...default application for .sln files is the "Microsoft Visual Studio Version Selector". It is not uncommon for the default .sln application to be a specific version instead. In windows 8: you can tell which is the default because it says "keep using": ...
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How to get .app file of a xcode application

...t-clicking it in the Products directory in the source pane on the left and selecting "Show in Finder". – Akilan Arasu Aug 11 '16 at 11:38 ...