err (220)


osx - Equivalent to Windows getch() for Mac/Linux crashes

I am using getch() and my app crashes instantly. Including when doing: int main(){getch();}I can't find the link but supposedly the problem is that it needs to turn off buffering or somethin…


How to redirect all console output to a GUI textbox?

I currently have a program that prints lines of text to the screen in various manners such as 'System.out.println()' statements and for loops the print all elements in an array to screen. I am now ad…


linux - Removing created temp files in unexpected bash exit

I am creating temporary files from a bash script. I am deleting them at the end of the processing, but since the script is running for quite a long time, if I kill it or simply CTRL-C during the run,…


What's wrong with using System.err in Java?

I'm using the Enerjy(http://www.enerjy.com/) static code analyzer tool on my Java code. It tells me that the following line: System.err.println("Ignored that database"); is bad because it uses Syste…



Mysql error 1452-Cannot add or update a child row: a foreign key constraint fails

I'm having a bit of a strange problem. I'm trying to add a foreign key to one table that references another, but it is failing for some reason. With my limited knowledge of MySQL, the only thing that…


Java: System.out.println and System.err.println out of order

My System.out.println() and System.err.println() calls aren't being printed to the console in the order I make them. public static void main(String[] args){for(int i=0; i<5; i++){…


python - Lost connection to MySQL server during query

I have a huge table and I need to process all rows in it. I'm always getting this Lost connection message and I'm not able to reconnect and restore the cursor to the last position it was. This is basi…


How to run a command before a Bash script exits?

If a Bash script has set-e, and a command in the script returns an error, how can I do some cleanup before the script exits? For example:#!/bin/bash set-e mkdir/tmp/foo#... do stuff... rm-r/t…


Is it possible to detect*which* trap signal in bash?

Possible Duplicate: Identifying received signal name in bash shell script When using something like trap func_trap INT TERM EXIT with: func_trap(){...some commands...}Is there a way in th…


Django:mysql:1045, "Access denied for user

I have the whole setup working for months on my local computer. I'm installing on a remote site now. Created a fresh mysql DB, and created a new user("someuser") and gave it complete grants, like so…




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