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Does Python have “private” variables in classes?
...t will fail:
>>>x = A()
>>>x.__var # this will return error: "A has no attribute __var"
>>>x.printVar() # this gives back 123
But you can easily get away with this:
>>>x.__dict__ # this will show everything that is contained in object x
# w...
How to customize a Spinner in Android
...height value to "?attr/dropdownListPreferredItemHeight" or you will get an error: "Error: Attribute is not public"
– Loenix
Jun 14 '16 at 6:05
9
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How to speed up insertion performance in PostgreSQL
...here's no practical limit AFAIK, but batching will let you recover from an error by marking the start of each batch in your input data. Again, you seem to be doing this already.
Use synchronous_commit=off and a huge commit_delay to reduce fsync() costs. This won't help much if you've batched your wo...
Transfer git repositories from GitLab to GitHub - can we, how to and pitfalls (if any)?
...ssue with the https URL of the GitHub repo:
The requested URL returned an error: 403
All you need to do is to enter your GitHub password, but the OP suggests:
Then you might need to push it the ssh way. You can read more on how to do it here.
See "Pushing to Git returning Error Code 403 fat...
Loading basic HTML in Node.js
...eadFile could be placed inside the call to http.createServer, allowing the error to be handled. Use Stephen's answer with if (err) { console.log('something bad'); return res.end('Oops! Something bad happened.');} The return statement is the simple thing that new users might overlook.
...
Remove multiple whitespaces
...
// string(11) "this works."
I'm not sure if it was just a transcription error or not, but in your example, you're using a single-quoted string. \n and \t are only treated as new-line and tab if you've got a double quoted string. That is:
'\n\t' != "\n\t"
Edit: as Codaddict pointed out, \s\s+ w...
How do I check if a list is empty?
...eq = numpy.array([1,2,3]) followed by if not seq raises an exception "ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()"
– Mr.WorshipMe
Mar 20 '19 at 18:03
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Should struct definitions go in .h or .c file?
... see how using only a forward declaration in the header causes a compiler error when the user tries to use members of a private (opaque) struct.
– τεκ
Jul 6 '15 at 23:37
a...
Find all files with name containing string
... find . -name "*string*" Works great too. Removing . throws an error on my end. Thanks again @Zagorax.
– Dru
Jul 4 '12 at 13:49
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What does “not run” mean in R help pages?
...urpose of illustration, it’s often useful to include code that causes an error. \dontrun{} allows you to include code in the example that is never used. There are two other special commands. \dontshow{} is run, but not shown in the help page: this can be useful for informal tests. \donttest{} is r...