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Error: could not find function … in R
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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...
Handling applicationDidBecomeActive - “How can a view controller respond to the app becoming Active?
...have the UIApplicationDelegate protocol in my main AppDelegate.m class, with the applicationDidBecomeActive method defined.
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Maximum request length exceeded.
...Maximum request length exceeded when I am trying to upload a video in my site.
14 Answers
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SSH to Vagrant box in Windows?
...follow
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edited Oct 4 '14 at 12:48
Adaptabi
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ListView item background via custom selector
Is it possible to apply a custom background to each Listview item via the list selector?
10 Answers
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Image fingerprint to compare similarity of many images
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Normal hashing or CRC calculation algorithms do not work well with image data. The dimensional nature of the information must be taken into account.
If you need extremely robust fingerprinting, such that affine transformations (scaling, rotation, translation, fli...
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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Can someone explain __all__ in Python?
...e and more, and I keep seeing the variable __all__ set in different __init__.py files. Can someone explain what this does?
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Is background-color:none valid CSS?
...background-color property:
Value: <color> | transparent | inherit
<color> can be either a keyword or a numerical representation of a colour. Valid color keywords are:
aqua, black, blue, fuchsia, gray, green, lime, maroon, navy, olive,
orange, purple, red, silver, teal, whit...
Why doesn't a python dict.update() return the object?
...atically tinged flavor of command-query separation: mutators return None (with pragmatically induced exceptions such as pop;-) so they can't possibly be confused with accessors (and in the same vein, assignment is not an expression, the statement-expression separation is there, and so forth).
That ...