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Cannot find module cv2 when using OpenCV

... First do run these commands inside Terminal/CMD: conda update anaconda-navigator conda update navigator-updater Then the issue for the instruction below will be resolved For windows if you have anaconda installed, you can simply do pip install...
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Flattening a shallow list in Python [duplicate]

...be the best way to flatten a shallow list like this, balancing performance and readability? 23 Answers ...
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filter for complete cases in data.frame using dplyr (case-wise deletion)

...works, of course. But that is a) verbose when there are a lot of variables and b) impossible when the variable names are not known (e.g. in a function that processes any data.frame). ...
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How do I make UILabel display outlined text?

...white text with a black outline. What I got was black outlines on the left and right edges of each letter in the text but not outlines at the top or bottom. Any ideas? – Mike Hershberg Jan 26 '11 at 7:39 ...
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How to add parameters to a HTTP GET request in Android?

...he parameters to this request by first creating a BasicHttpParams object and adding the parameters to that object, then calling setParams( basicHttpParms ) on my HttpGet object. This method fails. But if I manually add my parameters to my URL (i.e. append ?param1=value1&param2=value2 ) it...
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How to drop a table if it exists?

... dbo.Scores No. That will drop the table only if it contains any rows (and will raise an error if the table does not exist). Instead, for a permanent table you can use IF OBJECT_ID('dbo.Scores', 'U') IS NOT NULL DROP TABLE dbo.Scores; Or, for a temporary table you can use IF OBJECT_ID('...
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Detect Chrome extension first run / update

... I used this code for a while and it worked great, until my extension requested a new permission on an update (which suspends the extension until the user accepts the permission). When the permission was accepted and the extension was unsuspended, the onI...
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How to refer to relative paths of resources when working with a code repository

We are working with a code repository which is deployed to both Windows and Linux - sometimes in different directories. How should one of the modules inside the project refer to one of the non-Python resources in the project (CSV files, etc.)? ...
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How to replace list item in best way

... Use Lambda to find the index in the List and use this index to replace the list item. List<string> listOfStrings = new List<string> {"abc", "123", "ghi"}; listOfStrings[listOfStrings.FindIndex(ind=>ind.Equals("123"))] = "def"; ...
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Django REST Framework: adding additional field to ModelSerializer

...s? my question is: how to accept custom POST values which can be validated and processes in the post_save() handler? – Alp May 30 '14 at 10:34 ...