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Fastest way to check if string contains only digits

...ew SortedSet<string>(); //s = string.Concat(Enumerable.Range(0, 127).Select(i => ((char)i ^ '0') < 10 ? 1 : 0)); w.Restart(); for (int i = 0; i < r; i++) b = s.All(char.IsDigit); w.Stop(); ss.Add(w.Elapsed + ".All .IsDigit"); w.Restart(); for (int i = 0; i < r; i++) b = s....
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scipy.misc module has no attribute imread?

... the Pillow library by following commands: pip install pillow Note, the selected answer has been outdated. See the docs of SciPy Note that Pillow (https://python-pillow.org/) is not a dependency of SciPy, but the image manipulation functions indicated in the list below are not available wit...
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Batch files : How to leave the console window open

...pin this program from the taskbar". Right-click the icon for CMD.EXE and select Properties. In the box for Target, go to the end of "%SystemRoot%\system32\cmd.exe" and type " /C " and the path and name of the batch file. For your purposes, you can either: Use /C and put a PAUSE at the e...
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Is there any way to hide “-” (Delete) button while editing UITableView

...olStateNormal]; [checkBoxButton setTitle:@"√" forState:UIControlStateSelected]; [checkBoxButton addTarget:self action:@selector(checkBoxButtonPressed:) forControlEvents:UIControlEventTouchUpInside]; cell.editingAccessoryType = UITableViewCellAccessoryCheckmark; cell.editingAccesso...
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event.preventDefault() vs. return false

... event handlers for parent elements). Default = browser code (links, text selection, etc.) – Bob Stein Jul 28 '13 at 14:49 5 ...
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Unable to make the session state request to the session state server

...eps are taken to fix this. (1) Open Run. (2) Type Services.msc (3) Select ASP.NET State Service (4) Right Click and Start it. share | improve this answer | follow ...
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jQuery .scrollTop(); + animation

... Your callback will execute twice, by the way, because you selected two elements. – Big McLargeHuge Oct 31 '14 at 18:26 8 ...
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Why is printing “B” dramatically slower than printing “#”?

... and click Options. After that click Editor and go to Formatting tab. Then select Anywhere in Line Wrap Option. It will take almost 6.24% less time to compile the program. share | improve this an...
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How do I install ASP.NET MVC 5 in Visual Studio 2012?

...web-tools-20131-for-visual-studio-2012 Dependency: .NET 4.5 You need to select this version of the framework when creating a new project in order to view the MVC 5 project templates. Included: MVC5 Entity Framework 6 Web API 2 Bootstrap Razor Nuget 2.7 ...
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Could not change executable permissions on the application

... I went into the Organizer and selected the Applications underneath my test device. Even though I had deleted the application on my device itself, it still showed up in my list of applications. I deleted it there, and this took care of the issue for me. ...