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How to get object length [duplicate]

... This is actually worse than using a simple loop and counter because of the added overhead of the callback function. – nullability Feb 19 '13 at 17:35 ...
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Rename MySQL database [duplicate]

...atabase with the database name you wanted. The short, quick steps without all the above explanation are: mysqldump -u root -p original_database > original_database.sql mysql -u root -p -e "create database my_new_database" mysql -u root -p my_new_database < original_database.sql mysql -u roo...
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Why does !{}[true] evaluate to true in JavaScript?

...undefined) must therefore be defined. If something is defined then it's usually interpreted as true. – OozeMeister Oct 31 '13 at 16:50 7 ...
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Detect when browser receives file download

I have a page that allows the user to download a dynamically-generated file. It takes a long time to generate, so I'd like to show a "waiting" indicator. The problem is, I can't figure out how to detect when the browser has received the file, so I can hide the indicator. ...
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I want to get the type of a variable at runtime

...that comparison return true, but it would require a few book chapters to really cover TypeTag, so I'll stop here. Finally, maybe you don't care about the type of the variable at all. Maybe you just want to know what is the class of a value, in which case the answer is rather simple: val x = 5 x.ge...
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Adding a cross-reference to a subheading or anchor in another page

... because it works across files, when section headings are changed, and for all builders that support cross-references. RST, in General The tools that convert RST files to HTML do not necessarily have a notion of collection. This is the case for instance if you rely on github to convert RST files ...
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Using “super” in C++

... the first time C++ was standardized. Dag Bruck proposed this extension, calling the base class "inherited." The proposal mentioned the multiple inheritance issue, and would have flagged ambiguous uses. Even Stroustrup was convinced. After discussion, Dag Bruck (yes, the same person making the p...
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WatiN or Selenium? [closed]

.... It will be a major upgrade to the current CTP 2.0 versions and will basically give you the same functionality to automate FireFox and IE as version 1.3.0 offers for automating IE. So no concerns there. Hope this helps in making your choice Jeroen van Menen Lead dev WatiN ...
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Eclipse: Enable autocomplete / content assist

... If you would like to use autocomplete all the time without having to worry about hitting Ctrl + Spacebar or your own keyboard shortcut, you can make the following adjustment in the Eclipse preferences to trigger autocomplete simply by typing several different cha...
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What are the differences between django-tastypie and djangorestframework? [closed]

... EDIT Outdated answer, tastypie is not really maintained anymore. Use Django REST framework if you have to choose a framework to do REST. For an overview about the actual differences between both of them you should read their documentation. They are both more or le...