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Error: could not find function … in R

... There are a few things you should check : Did you write the name of your function correctly? Names are case sensitive. Did you install the package that contains the function? install.packages("thePackage") (this only needs to be done once) Did you attach that package to the wo...
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SQLite add Primary Key

I created a table in Sqlite by using the CREATE TABLE AS syntax to create a table based on a SELECT statement. Now this table has no primary key but I would like to add one. ...
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How do I use Django templates without the rest of Django?

...plate engine in my (Python) code, but I'm not building a Django-based web site. How do I use it without having a settings.py file (and others) and having to set the DJANGO_SETTINGS_MODULE environment variable? ...
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Maximum call stack size exceeded error

... It means that somewhere in your code, you are calling a function which in turn calls another function and so forth, until you hit the call stack limit. This is almost always because of a recursive function with a base case th...
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Beginners Guide to Haskell? [closed]

...follow | edited May 12 '16 at 12:02 Julian Leviston 1,53999 silver badges2121 bronze badges ...
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How to find event listeners on a DOM node when debugging or from the JavaScript code?

...follow | edited Mar 8 at 15:38 Legends 13.9k88 gold badges6666 silver badges103103 bronze badges ...
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Remove non-utf8 characters from string

Im having a problem with removing non-utf8 characters from string, which are not displaying properly. Characters are like this 0x97 0x61 0x6C 0x6F (hex representation) ...
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How to dynamically change header based on AngularJS partial view?

...ng-view to include AngularJS partial views, and I want to update the page title and h1 header tags based on the included view. These are out of scope of the partial view controllers though, and so I can't figure out how to bind them to data set in the controllers. ...
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Pointer to pointer clarification

...ntains is a memory address. The & is the "address of" operator - i.e. it returns the address in memory of an object. The * operator gives you the object a pointer refers to, i.e. given a pointer containing an address, it returns the object at that memory address. So when you do *ipp = ip2, wh...
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What is a “symbol” in Julia?

... to use Julia's DataFrames package, specifically the readtable() function with the names option, but that requires a vector of symbols. ...