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ContextLoaderListener or not?
...d by Roo or "Spring MVC Project" Template) create a web.xml with ContextLoaderListener and DispatcherServlet . Why do they not only use the DispatcherServlet and make it to load the complete configuration?
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Gradle, Android and the ANDROID_HOME SDK location
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bsma
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answered Jul 17 '14 at 13:03
u53ru53r
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Length of a JavaScript object
...t.size(myObj);
There's a sort of convention in JavaScript that you don't add things to Object.prototype, because it can break enumerations in various libraries. Adding methods to Object is usually safe, though.
Here's an update as of 2016 and widespread deployment of ES5 and beyond. For IE9+ a...
Padding within inputs breaks width 100%
Ok, so we know that setting padding to an object causes its width to change even if it is set explicitly. While one can argue the logic behind this, it causes some problems with some elements.
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How to parse/format dates with LocalDateTime? (Java 8)
Java 8 added a new java.time API for working with dates and times ( JSR 310 ).
7 Answers
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belongs_to through associations
...a :through option. You're better off caching the question_id on Choice and adding a unique index to the table (especially because validates_uniqueness_of is prone to race conditions).
If you're paranoid, add a custom validation to Choice that confirms that the answer's question_id matches, but it s...
How to start a Process as administrator mode in C# [duplicate]
I have a Visual Studio Windows app project. I've added code to download an installer update file. The installer after it has finished downloading would need administrator privileges to run. I have added a manifest file.
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Editing in the Chrome debugger
... them. That means changes to the code that is not running after the page loads will not have an effect. Unlike e.g. changes to the code residing in the mouseover handlers, which you can test on the fly.
There is a video from Google I/O 2010 event introducing other capabilities of Chrome Developer T...
Change font color for comments in vim
...comments which is dark blue to slightly yellow color. It is difficult to read on the black background.
Could you advise me how to change only this one color? I'm satisfied with the other colors.
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Add a default value to a column through a migration
How do I add a default value to a column that already exists through a migration?
7 Answers
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