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DynamoDB vs MongoDB NoSQL [closed]

...roughput, you just click a button. You can write scripts to scale automatically. When it's time to upgrade Dynamo, it's done for you. That is all a lot of precious stress and time not spent. If you don't have dedicated ops people, Dynamo is excellent. So we are now going on Dynamo by default. Mongo...
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Get the current URL with JavaScript?

All I want is to get the website URL. Not the URL as taken from a link. On the page loading I need to be able to grab the full, current URL of the website and set it as a variable to do with as I please. ...
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difference and when to use getApplication(), getApplicationContext(), getBaseContext() and someClass

...text( ), getBaseContext() , getContext() and someClass.this and especially when to use the these methods in the following code lines: ...
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C++ equivalent of StringBuffer/StringBuilder?

...f after profiling your code you discover this makes an improvement. I normally use either std::string or std::stringstream. I have never had any problems with these. I would normally reserve some room first if I know the rough size of the string in advance. I have seen other people make their ow...
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Prevent onmouseout when hovering child element of the parent absolute div WITHOUT jQuery

...Listener('mouseout',onMouseOut,true); I made a quick JsFiddle demo, with all the CSS and HTML needed, check it out... EDIT FIXED link for cross-browser support http://jsfiddle.net/RH3tA/9/ NOTE that this only checks the immediate parent, if the parent div had nested children then you have to s...
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How to load up CSS files using Javascript?

... Here's the "old school" way of doing it, which hopefully works across all browsers. In theory, you would use setAttribute unfortunately IE6 doesn't support it consistently. var cssId = 'myCss'; // you could encode the css path itself to generate id.. if (!document.getElementById(cssId)) { ...
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How to declare global variables in Android?

...em you are encountering is how to save state across several Activities and all parts of your application. A static variable (for instance, a singleton) is a common Java way of achieving this. I have found however, that a more elegant way in Android is to associate your state with the Application con...
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How do I revert a Git repository to a previous commit?

...o temporarily go back to it, fool around, then come back to where you are, all you have to do is check out the desired commit: # This will detach your HEAD, that is, leave you with no branch checked out: git checkout 0d1d7fc32 Or if you want to make commits while you're there, go ahead and make a n...
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Use variable with TOP in select statement in SQL Server without making it dynamic [duplicate]

... SQL Server 2005 actually allows us to parameterize the TOP clause, using a variable, expression or statement. So you can do things like: SELECT TOP (@foo) a FROM table ORDER BY a SELECT TOP (SELECT COUNT(*) FROM somewhere else) a FROM table ...
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Oracle find a constraint

I have a constraint called users.SYS_C00381400 . How do I find what that constraint is? Is there a way to query all constraints? ...