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How to solve PHP error 'Notice: Array to string conversion in…'

...n $_POST['C']. So when you echo that, you are trying to print an array, so all it does is print Array and a notice. To print properly an array, you either loop through it and echo each element, or you can use print_r. Alternatively, if you don't know if it's an array or a string or whatever, you c...
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Equivalent of jQuery .hide() to set visibility: hidden

...n example on how to support additional parameters of show (speed, easing, callback)? – georg Mar 8 '12 at 8:57 11 ...
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How to test code dependent on environment variables using JUnit?

... value); } } For Java 5 to 7 the library System Rules has a JUnit rule called EnvironmentVariables. import org.junit.contrib.java.lang.system.EnvironmentVariables; public class EnvironmentVariablesTest { @Rule public final EnvironmentVariables environmentVariables = new EnvironmentVariab...
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Django : How can I see a list of urlpatterns?

... If you want a list of all the urls in your project, first you need to install django-extensions, add it to your settings like this: INSTALLED_APPS = ( ... 'django_extensions', ... ) And then, run this command in your terminal ./manage.py show_...
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Mongoose subdocuments vs nested schema

...still have the same subdocument structure. – Martin Hallén Jul 9 '14 at 9:17 2 you should also c...
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How to redirect output of an entire shell script within the script itself?

Is it possible to redirect all of the output of a Bourne shell script to somewhere, but with shell commands inside the script itself? ...
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(this == null) in C#!

...in sematic checks) in the compiler: it should NOT be possible. You are not allowed to write : base(CheckNull()) if CheckNull is not static, and alike you should not be able to inline an instance-bound lambda. – quetzalcoatl Aug 14 '12 at 0:29 ...
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Unknown provider: aProvider

...that caused this issue, but I have since been able to find the problem manually. There was a controller function declared on the global scope, instead of using a .controller() call on the application module. So there was something like this: function SomeController( $scope, i18n ) { /* ... */ } ...
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What's the cause of this FatalExecutionEngineError in .NET 4.5 beta? [closed]

The sample code below occurred naturally. Suddenly my code thew a very nasty-sounding FatalExecutionEngineError exception. I spent a good 30 minutes trying to isolate and minimize the culprit sample. Compile this using Visual Studio 2012 as a console app: ...
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Get full path without filename from path that includes filename

...nal bit from the path, whether it is a file name or directory name (it actually has no idea which). You could validate first by testing File.Exists() and/or Directory.Exists() on your path first to see if you need to call Path.GetDirectoryName ...