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How to debug a Flask app
How are you meant to debug errors in Flask? Print to the console? Flash messages to the page? Or is there a more powerful option available to figure out what's happening when something goes wrong?
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Sometimes adding a WCF Service Reference generates an empty reference.cs
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I was getting a meaningless error message (just a namespace) when adding a Service Reference and this pointed out the issue.
– bcampolo
Mar 28 '16 at 18:05
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Where to put include statements, header or source?
Should I put the includes in the header file or the source file? If the header file contains the include statements, then if I include that header file in my source, then will my source file have all of the included files that were in my header? Or should I just include them in my source file only?
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ssh “permissions are too open” error
...-dependent. I had to run "chgrp Użytkownicy ~/.ssh/id_rsa" since "Users" errored no such group.
– Marcos
Sep 26 '14 at 18:44
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How to create circle with Bézier curves?
...are on the circle, and that the first derivative is continuous.
The radial error in this approximation will be about 0.0273% of the
circle's radius.
Michael Goldapp, "Approximation of circular arcs by cubic
polynomials" Computer Aided Geometric Design (#8 1991 pp.227-238)
Tor Dokken and Morten Da...
How do I capture the output of a script if it is being ran by the task scheduler?
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With stderr (where most of the errors go to):
cmd /c yourscript.cmd > logall.txt 2>&1
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Multidimensional Array [][] vs [,] [duplicate]
What's their difference? (1) yields an error, what's the reason?
5 Answers
5
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filter for complete cases in data.frame using dplyr (case-wise deletion)
Is it possible to filter a data.frame for complete cases using dplyr? complete.cases with a list of all variables 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 to export a mysql database using Command Prompt?
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it gives error "mysqldump: Got error: 1049: Unknown database 'thepassword' when selecting the database" but worked when i delete "-p userpassword"
– Ateş Danış
Jul 7 '13 at 6:35
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TypeError: 'NoneType' object is not iterable in Python
What does error TypeError: 'NoneType' object is not iterable mean?
7 Answers
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