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Efficient method to generate UUID String in JAVA (UUID.randomUUID().toString() without the dashes)

I would like an efficient utility to generate unique sequences of bytes. UUID is a good candidate but UUID.randomUUID().toString() generates stuff like 44e128a5-ac7a-4c9a-be4c-224b6bf81b20 which is good, but I would prefer dash-less string. ...
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An item with the same key has already been added

I get this error whenever I submit the form also the action method is not being called because of this: 21 Answers ...
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Cosmic Rays: what is the probability they will affect a program?

...s suggest that computers typically experience about one cosmic-ray-induced error per 256 megabytes of RAM per month.[15] This means a probability of 3.7 × 10-9 per byte per month, or 1.4 × 10-15 per byte per second. If your program runs for 1 minute and occupies 20 MB of RAM, then the failure pr...
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Converting SVG to PNG using C# [closed]

...ion of the GIMP image editing program). [DllImport("kernel32.dll", SetLastError = true)] static extern bool SetDllDirectory(string pathname); [DllImport("libgobject-2.0-0.dll", SetLastError = true)] static extern void g_type_init(); [DllImport("librsvg-2-2.dll", SetLastError = true)] static exte...
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Fatal error in launcher: Unable to create process using “”C:\Program Files (x86)\Python33\python.exe

... I was suffering from the error listed and this was the solution that worked for me! I was even able to use 'pip install virtualenv' and stop using 'python -m pip' after making the upgrade to latest pip. Thanks! – steve-gregory ...
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Where to define custom error types in Ruby and/or Rails?

Is there a best practice for defining custom error types in a Ruby library (gem) or Ruby on Rails application? Specifically: ...
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SQL Server Operating system error 5: “5(Access is denied.)”

...e directory but the problem is that when I run the query, it gives me this error: 17 Answers ...
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Run an OLS regression with Pandas Data Frame

...ct keyword is formula, I accidentally typed formulas instead and got weird error: TypeError: from_formula() takes at least 3 arguments (2 given) – denfromufa Nov 14 '16 at 18:19 ...
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How to test android referral tracking?

... After lots of trial and error I found that if your Receiver is in a library, you need to omit the . after / -- so the example would look like this: adb shell am broadcast -a com.android.vending.INSTALL_REFERRER -n <your.package>/<full.path...
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How do I format a date with Dart?

... Is intl broken? Uncaught Error: FileSystemException: Cannot open file, path = 'E:\dart\ws\web\packages\intl\intl.dart' (OS Error: The system cannot find the path specified. – javapadawan Sep 21 '14 at 17:47 ...