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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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Align contents inside a div

...d to make sure Standards Mode is on by using a suitable DOCTYPE. If you really need to support IE5/Quirks Mode, which these days you shouldn't really, it is possible to combine the two different approaches to centering: <div style="text-align: center"> <div style="width: 50%; margin: ...
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MongoDB Many-to-Many Association

... user document: {name:"Joe" ,roles:["Admin","User","Engineer"] } To get all the Engineers, use: db.things.find( { roles : "Engineer" } ); If you want to maintain the roles in separate documents then you can include the document's _id in the roles array instead of the name: {name:"Joe" ,roles:...
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MongoDB/NoSQL: Keeping Document Change History

... changes to one or more specific entities in a database. I've heard this called row versioning, a log table or a history table (I'm sure there are other names for it). There are a number of ways to approach it in an RDBMS--you can write all changes from all source tables to a single table (more of...
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Kotlin secondary constructor

...tructors in Kotlin since these constructors are necessary sometimes, especially when working with Java frameworks and extending Java classes. Hope you'll get them back soon. – Michael Jul 17 '14 at 7:46 ...
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Can I use Twitter Bootstrap and jQuery UI at the same time?

... with jQuery UI (something which caused a number of widgets to break visually) The ability to theme jQuery UI widgets using Bootstrap styles. Whilst I love jQuery UI, I (like others) find some of the current themes to look a little dated. My hope is that this theme provides a decent alternat...
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How to force ASP.NET Web API to always return JSON?

... use this method but the one below using GlobalConfiguration...Clear() actually works. – seangwright May 7 '15 at 20:52 add a comment  |  ...
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How to re-create database for Entity Framework?

...ed, if so, right click and delete. 2 )Go to Solution Explorer, click show All Files icon. 3) Go to App_Data, right click and delete all ".mdf" files for this project. 4) Delete Migrations folder by right click and delete. 5) Go to SQL Server Management Studio, make sure the DB for this project i...
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Foreign Key naming scheme

...o qualify this. It's an unusual situation to be in, and not one you'd typically design in from scratch, so I didn't include this in the response. – Greg Beech Oct 14 '08 at 0:41 4 ...
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Calculating a directory's size using Python?

... This walks all sub-directories; summing file sizes: import os def get_size(start_path = '.'): total_size = 0 for dirpath, dirnames, filenames in os.walk(start_path): for f in filenames: fp = os.path.join(di...