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Average of 3 long integers
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answered May 30 '14 at 8:05
Patrick HofmanPatrick Hofman
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MySQL date format DD/MM/YYYY select query?
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John CondeJohn Conde
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Do I need dependency injection in NodeJS, or how to deal with …?
...ontrived example.
MyClass.js:
var fs = require('fs');
MyClass.prototype.errorFileExists = function(dir) {
var dirsOrFiles = fs.readdirSync(dir);
for (var d in dirsOrFiles) {
if (d === 'error.txt') return true;
}
return false;
};
MyClass.test.js:
describe('MyClass', func...
Is it better to return null or empty collection?
... or "don't know". We could throw an exception, but it's not necessarily an error condition, and it doesn't necessarily drive us out of the normal program flow.
I've often been frustrated by systems that cannot distinguish between zero and no answer. I've had a number of times where a system has ask...
Iterating over each line of ls -l output
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find is broken. Ioften get some bizarro error messages. it wants to give me help when the commandline is perfectly valid, and it seems like once it starts doing this, it won't stop until next reboot MAYBE. it sometimes seems random in nature concerning errors. not ...
Convert tuple to list and back
...st block to convert the tuple t to a list by passing t to list(), I get an error message: "*** Error in argument: '(t)'" This seems to happen to me only while debugging. Still confused.
– Jimmy
Aug 28 '18 at 19:30
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htaccess Access-Control-Allow-Origin
...r set Access-Control-Allow-Origin "*" in your config, then it should throw error during start if mod_headers is not active.
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When to use lambda, when to use Proc.new?
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As of Ruby 2.5, break from Procs raises LocalJumpError, whereas break from lambdas behaves just like return (i.e., return nil).
– Masa Sakano
Oct 16 '18 at 20:35
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ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
Why am I getting this database error when I update a table?
14 Answers
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Postgis installation: type “geometry” does not exist
...I do it by this page . But when I import postgis.sql file, I get a lot of errors:
10 Answers
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