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presentViewController:animated:YES view will not appear until user taps again
...ith presentViewController:animated:completion . What I'm making is essentially a guessing game.
8 Answers
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Getting a map() to return a list in Python 3.x
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list(map(str, [1,2,3])) gives "Error in argument" for Python 3.4.3 on CentOS 7. List comprehension works.
– Andor
Sep 7 '16 at 10:13
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Error: Jump to case label
...ediately following label ly
}
— end example ]
As of GCC 5.2, the error message now says:
crosses initialization of
C
C allows it: c99 goto past initialization
The C99 N1256 standard draft Annex I "Common warnings" says:
2 A block with initialization of an object that has autom...
Program only crashes as release build — how to debug?
...bed in this answer.
In a production application you might want to send an error report back home, ideally together with a small memory dump that allows you to analyze the problem as described here.
b. Use Microsoft's structured exception handling mechanism that allows you to catch both hardware an...
Making Python loggers output all messages to stdout in addition to log file
...xample, I'd like all calls to logger.warning , logger.critical , logger.error to go to their intended places but in addition always be copied to stdout . This is to avoid duplicating messages like:
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Transposing a NumPy array
...of a 1D array is still a 1D array! (If you're used to matlab, it fundamentally doesn't have a concept of a 1D array. Matlab's "1D" arrays are 2D.)
If you want to turn your 1D vector into a 2D array and then transpose it, just slice it with np.newaxis (or None, they're the same, newaxis is just mor...
Rails 4 multiple image or file upload using carrierwave
... from saving. Instead the post is saved, and then the ActiveRecord invalid error is thrown for the attachment model only. I think this is because of the create! method. but using create instead just fails silently. Any idea how to have the validation happen on the post reach into the attachments?
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Using variables inside a bash heredoc
... the
lines in the here-document are not expanded. If word is unquoted, all
lines of the here-document are subjected to parameter expansion, command substitution, and arithmetic expansion. [...]
If you change your first example to use <<EOF instead of << "EOF" you'll find that i...
How to convert an enum type variable to a string?
...n an array, and to set the compiler switches in the build file to issue an error for a switch over an enum that doesn't cover all possible values. Adding a new enum entry without updating the relevant switch statements will cause a compilation error.
– divegeek
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How to get image height and width using java?
...ew Dimension(width, height);
} catch (IOException e) {
log.warn("Error reading: " + imgFile.getAbsolutePath(), e);
} finally {
reader.dispose();
}
}
throw new IOException("Not a known image file: " + imgFile.getAbsolutePath());
}
I guess my rep is not high enough for m...