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How to create a memory leak in Java?

...a thread pool to leak even faster). The thread loads a class via an (optionally custom) ClassLoader. The class allocates a large chunk of memory (e.g. new byte[1000000]), stores a strong reference to it in a static field, and then stores a reference to itself in a ThreadLocal. Allocating the extra ...
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“To Do” list before publishing Android app to market [closed]

...advice: Launch your app at the end of the week (Thursday afternoon is usually a good time). Why so? Well, no companies would like to publish an app only 1.5 day before the week end -> too dangerous (in case there is a problem that needs a quick reaction time). Use proguard on your app (usually,...
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jQuery get values of checked checkboxes into array

I am trying to get values of all checkboxes that are currently checked and store them into an array. Here is my code so far: ...
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How do I vertically align text in a div?

...; vertical-align: middle;"> <div> everything is vertically centered in modern IE8+ and others. </div> </div> </div> It is possible to merge hacks for old browsers (Internet Explorer 6/7) into styles with using # to hide styles from newer brows...
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Serving static files with Sinatra

I have one page website only using HTML, CSS and JavaScript. I want to deploy the app to Heroku, but I cannot find a way to do it. I am now trying to make the app working with Sinatra. ...
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How to Unit test with different settings in Django?

... EDIT: This answer applies if you want to change settings for a small number of specific tests. Since Django 1.4, there are ways to override settings during tests: https://docs.djangoproject.com/en/dev/topics/testing/tools/#overriding-settings TestCase will have a self.settings context ma...
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Accessing MVC's model property from Javascript

... IconHtml = '@Html.Raw(Model.UserIconHTML)'; The results are good with all types. But our HTML data is now broken and this will break the scripts. The issue is because we are using single quotes ' to wrap the the data and even the data has single quotes. We can overcome this issue with 2 appro...
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Determine what attributes were changed in Rails after_save callback?

I'm setting up an after_save callback in my model observer to send a notification only if the model's published attribute was changed from false to true. Since methods such as changed? are only useful before the model is saved, the way I'm currently (and unsuccessfully) trying to do so is as fol...
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How to get a key in a JavaScript object by its value?

...pt object, which I use as an associative array. Is there a simple function allowing me to get the key for a value, or do I have to iterate the object and find it out manually? ...
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Extracting .jar file with command line

...the program from inside the folder. EDIT: Here's another article, specifically focussed on extracting JARs: http://docs.oracle.com/javase/tutorial/deployment/jar/unpack.html share | improve this an...