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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...
What do the plus and minus signs mean in Objective-C next to a method?
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It's almost as if the extra five characters of "static" are somehow too much for them.
– Anon.
Jan 19 '10 at 21:40
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How to implement my very own URI scheme on Android
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This is very possible; you define the URI scheme in your AndroidManifest.xml, using the <data> element. You setup an intent filter with the <data> element filled out, and you'll be able to create your own scheme. (More on int...
Really killing a process in Windows
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"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...
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 tell if JRE or JDK is installed
...VA_HOME to my bash profile (.bashrc, .bash_profile, etc. depending on your OS) like below:
JAVA_HOME="/usr/lib/jvm/java-11-openjdk-amd64"
Here you go!
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How to Set AllowOverride all
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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...
FTP/SFTP access to an Amazon S3 Bucket [closed]
...mounting entry to fstab:
<bucket> /mnt/<bucket> fuse.s3fs rw,nosuid,nodev,allow_other 0 0
For details, see my guide Setting up an SFTP access to Amazon S3.
Use S3 Client
Or use any free "FTP/SFTP client", that's also an "S3 client", and you do not have setup anything on server-si...
Error handling in Bash
...disagree. Obviously-broken code gets noticed and fixed. Bad-practices but mostly-working code lives forever (and gets propagated).
– Charles Duffy
May 22 '14 at 16:55
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Specifying and saving a figure with exact size in pixels
...'myfig.png', dpi=1000)
Note that I used the figure dpi of 100 to fit in most screens, but saved with dpi=1000 to achieve the required resolution. In my system this produces a png with 3840x7190 pixels -- it seems that the DPI saved is always 0.02 pixels/inch smaller than the selected value, which ...