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Centering a view in its superview using Visual Format Language

I just started learning AutoLayout for iOS and had a look at Visual Format Language. 14 Answers ...
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MVC (Laravel) where to add logic

...ation or modify a relationship in a specific way I also want to do something else. E.g., whenever someone publishes a post I also want to save something to a table for analytics. Maybe not the best example but in general there's a lot of this "grouped" functionality. ...
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How to convert JSON to CSV format and store in a variable

...ely I have no clue how to read it. Is there a way to convert this data using JavaScript in CSV format and save it in JavaScript file? ...
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Remove all classes that begin with a certain string

... id="a" that may have any number of classes attached to it, from several groups. Each group has a specific prefix. In the javascript, I don't know which class from the group is on the div. I want to be able to clear all classes with a given prefix and then add a new one. If I want to remove all of...
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Rails migration for change column

We have script/generate migration add_fieldname_to_tablename fieldname:datatype syntax for adding new columns to a model. ...
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How do I uninstall nodejs installed from pkg (Mac OS X)?

I installed NodeJS from pkg file on my Mac. Now I need to uninstall it. Tell me please how to do it. I tried to remove files from this list: ...
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Failed to load c++ bson extension

A total node noob here. I've been trying to set up a sample node app but the following error keeps popping up every time I try to run: ...
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Python - Check If Word Is In A String

I'm working with Python v2, and I'm trying to find out if you can tell if a word is in a string. 11 Answers ...
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how do you filter pandas dataframes by multiple columns

To filter a dataframe (df) by a single column, if we consider data with male and females we might: 6 Answers ...
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Using Sinatra for larger projects via multiple files

It seems that in Sinatra all route handlers are being written into a single file, if I understand right it acts as a one large/small controller. Is there any way to split it into separate independent files, so when let's say somebody calls "/" - one action is executed, and if smth like "/posts/2" is...