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How to know what the 'errno' means?
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You can use strerror() to get a human-readable string for the error number. This is the same string printed by perror() but it's useful if you're formatting the error message for something other than standard error output.
For example:
#i...
Importing data from a JSON file into R
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Also, Error in function (type, msg, asError = TRUE) : Protocol "s3" not supported or disabled in libcurl
– d8aninja
Aug 30 '17 at 19:05
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What is the syntax rule for having trailing commas in tuple definitions?
..., and for Javascript always use jslint or equivalent to catch that sort of error before it gets near a browser.
– Duncan
Nov 3 '11 at 12:15
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JavaScript isset() equivalent
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the problem with this is that you get an error when you try to check deeper properties, for example: obj.thisdoesntexist.foo !== undefined. In PHP you can use isset or empty and safely at any deep.
– Enrique
Aug 21 '11 at 16:35...
While loop to test if a file exists in bash
...some time.
PS This also causes an annoying number of "Stale file handler" errors.
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UITableViewCell subview disappears when cell is selected
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answered Nov 13 '12 at 13:05
AgatAgat
3,9382828 silver badges5757 bronze badges
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How to search a specific value in all tables (PostgreSQL)?
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ERROR: syntax error at or near "default" LINE 3: haystack_tables name[] default '{}' (Using PostgreSQL 8.2.17 and cannot upgrade)
– Henno
May 11 '14 at 8:54
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How do you iterate through every file/directory recursively in standard C++?
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} while (FindNextFile(hFind, &ffd) != 0);
if (GetLastError() != ERROR_NO_MORE_FILES) {
FindClose(hFind);
return false;
}
FindClose(hFind);
hFind = INVALID_HANDLE_VALUE;
}
return true;
}
int main(int argc, char* argv[])
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Java 8 Streams - collect vs reduce
...read and never stored.
This code happily generates a java.lang.OutOfMemoryError: Java heap space runtime error, if the file size is large enough or the heap size is low enough. The obvious reason is that it tries to stack all the data that made it through the stream (and, in fact, has already been ...
What is the id( ) function used for?
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answered Mar 27 '13 at 19:05
RobᵩRobᵩ
136k1616 gold badges192192 silver badges265265 bronze badges
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