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Getting all types in a namespace via reflection
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Here's a fix for LoaderException errors you're likely to find if one of the types sublasses a type in another assembly:
// Setup event handler to resolve assemblies
AppDomain.CurrentDomain.ReflectionOnlyAssemblyResolve += new ResolveEventHandler(CurrentDoma...
How do I address unchecked cast warnings?
... output.put(k, v);
} else {
throw new AssertionError(
"Cannot cast to HashMap<"+ keyClass.getSimpleName()
+", "+ valueClass.getSimpleName() +">"
+", value "+ value +" is not a "+ valueClass.getSimpleName()
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Delete everything in a MongoDB database
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Better than db[c], use db.getCollection(c) which avoids errors when collection names are digits.
– Jason R. Coombs
Aug 1 '16 at 16:32
1
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How to “comment-out” (add comment) in a batch/cmd?
...tc...) use :: line should be followed with normal line, otherwise it gives error (use REM there).
:: may also fail within setlocal ENABLEDELAYEDEXPANSION
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Arduino Sketch upload issue - avrdude: stk500_recv(): programmer is not responding
... one. However, none of my attempts are working and they result in the same error every time I try it:
39 Answers
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PHP session lost after redirect
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Check the webserver error log too; in my case, there was an error "Failed to write session data (files). Please verify that the current setting of session.save_path is correct". The permissions were wrong on the save_path directory.
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Missing artifact com.microsoft.sqlserver:sqljdbc4:jar:4.0
... thanks for the answer but i get this when i run the command [ERROR] Failed to execute goal org.apache.maven.plugins:maven-install-plugin:2.4 :install-file (default-cli) on project standalone-pom: The specified file 'C:\Us ers\anthony\sqljdbc4.jar' not exists -> [Help 1]
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Email address validation using ASP.NET MVC data type attributes
... should look similar to this:
[Display(Name = "Email address")]
[Required(ErrorMessage = "The email address is required")]
[EmailAddress(ErrorMessage = "Invalid Email Address")]
public string Email { get; set; }
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Android 'Unable to add window — token null is not for an application' exception
...opics/ui/dialogs.html#CustomDialog) for creating a custom dialog have this error. Context mContext = getApplicationContext(); Dialog dialog = new Dialog(mContext); Your fix leads to Dialog dialog = new Dialog(this); Which works! Thanks
– bnieland
Sep 21 '1...
Remove border from IFrame
...ing the document using Markup Validation Service frameBorder results in an error as it's not HTML5 compliant: The frameborder attribute on the iframe element is obsolete. Use CSS instead. In HTML5 I would set a CSS property of border:0. Is there a way to make it backward compatible without causing...