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Postgresql: password authentication failed for user “postgres”
I have installed PostgreSQL 8.4, Postgres client and Pgadmin 3. Authentication failed for user "postgres" for both console client and Pgadmin. I have typed user as "postgres" and password "postgres", because it worked before. But now authentication is failed. I did it before a couple of times withou...
Really killing a process in Windows
...
"End Process" on the Processes-Tab calls TerminateProcess which is the most ultimate way Windows knows to kill a process.
If it doesn't go away, it's currently locked waiting on some kernel resource (probably a buggy driver) and there is nothing (short of a reboot) you could do to make the proce...
Setting JDK in Eclipse
...u can delete the entry for JRE System Library, click on Add Library and choose the installed JRE to compile with. Some compilers can be configured to compile at a back-level compiler version. I think that's why you're seeing the addition version options.
...
Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...释器居然不到200k，这是多么地变态啊（/bin/sh都要1M，MacOS平台），而且能和C语言非常好的互动。我很好奇得浏览了一下Lua解释器的源码，这可能是我看过最干净的C的源码了。我不想写一篇大而全的语言手册，一方面是因为已经...
How do I unlock a SQLite database?
.../opened_files_view.html to find out the process is handling db file. Try closed that program for unlock database
In Linux and macOS you can do something similar, for example, if your locked file is development.db:
$ fuser development.db
This command will show what process is locking the file:...
How to Set AllowOverride all
...f/
Open the file httpd.conf in Notepad.
Find this line:
#LoadModule vhost_alias_module modules/mod_vhost_alias.so
Remove the hash symbol:
LoadModule vhost_alias_module modules/mod_vhost_alias.so
Then goto <Directory />
and change to:
<Directory />
Options FollowSymLink...
WPF Application that only has a tray icon
...le library to good effect:
http://www.hardcodet.net/wpf-notifyicon (blog post)
https://bitbucket.org/hardcodet/notifyicon-wpf/src (source code)
https://www.nuget.org/packages/Hardcodet.NotifyIcon.Wpf/ (NuGet package)
http://visualstudiogallery.msdn.microsoft.com/aacbc77c-4ef6-456f-80b7-1f157c2909f7...
Change R default library path using .libPaths in Rprofile.site fails to work
...user_name/userLibrary"
The .libPaths function is a bit different than most other nongraphics functions. It works via side-effect. The functions Sys.getenv and Sys.setenv that report and alter the R environment variables have been split apart but .libPaths can either report or alter its target.
...
Checking network connection
...imes out after long time, so this function will always return False. I suppose Google has changed their network is set up.
– theamk
Sep 18 '13 at 12:00
4
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Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...memory for the innodb_buffer_pool_size in the my.cfg file you show in the post, but MySQL thinks you are asking for 512M of memory:
Initializing buffer pool, size = 512.0M
A few lines down, the error message tells you MySQL will not start because it cannot reserve enough (512M) memory for the ...