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How should I log while using multiprocessing in Python?
...w uses a queue for correct handling of concurrency, and also recovers from errors correctly. I've now been using this in production for several months, and the current version below works without issue.
from logging.handlers import RotatingFileHandler
import multiprocessing, threading, logging, sy...
Running multiple TeamCity Agents on the same computer?
...vise that you may have an issue with the new agent after installing it, an error like "Teamcity agent in disconnected state (Agent has unregistered (will upgrade))". This can be solved stopping the fisrt agent(or the other agents installed) and restarting the new from the services (on Windows/Window...
Linq Syntax - Selecting multiple columns
...elect new { (DateTime.Now - debt.ClaimDate), debt.Amount}; ? It throws an error: Invalid anonymous type member declarator
– Dainius Kreivys
Sep 19 '16 at 13:13
...
Changing navigation title programmatically
... ViewController.type does not have a member named title. That's the error I get.
– Rising
Aug 6 '14 at 18:27
...
How can I delete all Git branches which have been merged?
...
This produces an error fatal: branch name required if you have no branches that should be deleted. To avoid that you can pass -r to xargs so it won't run git branch -d if the stdin is empty. (This a GNU xargs extension, according to the man...
How to change shape color dynamically?
...
Does not work. You will get a cast error. Needs a fix or another answer accepted
– ndgreen
Jun 30 '14 at 17:32
6
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Edit and Continue: “Changes are not allowed when…”
... a clean WinForms project, Edit and Continue doesn't work and gives me the error:
36 Answers
...
How do you use NSAttributedString?
... var last: T? {
if self.isEmpty {
NSLog("array crash error - please fix")
return self [0]
} else {
return self[self.endIndex - 1]
}
}
}
extension Array {
var first: T? {
if self.isEmpty {
NSLog("array crash er...
PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?
...it occurs on the MySQL server.
Without EMULATE_PREPARES you may get syntax errors at prepare-time rather than at execute-time; with EMULATE_PREPARES you will only get syntax errors at execution time because PDO doesn't have a query to give to MySQL until execution time. Note that this affects the co...
PHP exec() vs system() vs passthru()
...n status"). Zero usually means it was successful, other values are usually error codes.
Other misc things to be aware of:
The shell_exec() and the backticks operator do the same thing.
There are also proc_open() and popen() which allow you to interactively read/write streams with an executing co...