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Create PostgreSQL ROLE (user) if it doesn't exist
...es -- SELECT list can be empty for this
WHERE rolname = 'my_user') THEN
CREATE ROLE my_user LOGIN PASSWORD 'my_password';
END IF;
END
$do$;
(Building on @a_horse_with_no_name's answer and improved with @Gregory's comment.)
Unlike, for instance, with CREATE TABLE there is no IF N...
Vim: Close All Buffers But This One
...s/script.php?script_id=1071
Just put it to your .vim/plugin directory and then use :BufOnly command to close all buffers but the active one. You could also map it elsewhere you like in your .vimrc.
Source on Github (via vim-scripts mirror): https://github.com/vim-scripts/BufOnly.vim/blob/master/pl...
git: abort commit in the middle of typing message
...s. Write the commit message to a different file (:w /some/other/path.txt). Then exit the editor without saving (:q!). If you previously saved the file to its original path, delete everything and write the empty file first (an empty commit message will abort the commit).
Now, when you're ready to co...
Check if a Bash array contains a value
...oposed, but it's more readable.
if [[ " ${array[@]} " =~ " ${value} " ]]; then
# whatever you want to do when array contains value
fi
if [[ ! " ${array[@]} " =~ " ${value} " ]]; then
# whatever you want to do when array doesn't contain value
fi
Note that in cases where the value you are ...
AngularJS : Where to use promises?
... did not fully authorize.');
}
});
First it tries to log in, and then only after verifying that the login was successful does it make the request to the Graph API.
Even in this case, which is only chaining together two operations, things start to get messy. The method askFacebookForAuthe...
Search all tables, all columns for a specific value SQL Server [duplicate]
...REPLACE(@SearchStrColumnValue,'%',''),'_',''),'[',''),']',''),'-','')) = 1 THEN '''tinyint'',''int'',''smallint'',''bigint'',''numeric'',''decimal'',''smallmoney'',''money'',' ELSE '' END + '''char'',''varchar'',''nchar'',''nvarchar'',''timestamp'',''uniqueidentifier''' + CASE @SearchStrInXML WHEN 1...
Intelligent way of removing items from a List while enumerating in C#
... for removal purposes, of course. If you do need to additional processing, then the best method is usually to use a for or while loop, since then you're not using an enumerator:
for (int i = myList.Count - 1; i >= 0; i--)
{
// Do processing here, then...
if (shouldRemoveCondition)
{
...
Repairing Postgresql after upgrading to OSX 10.7 Lion
...adding:
export PATH=/usr/local/bin:$PATH
as the first export for the PATH then either quit you shell session or source your file with source ~/.bash_profile and it should now be OK again.
share
|
i...
How to increase editor font size?
...):
Preferences --> Editor --> Colors & Fonts, in the right side, then click "save as...", this will create a new Scheme, we name it such as "Custom", then all fields become to editable, font, space, color, etc.
sha...
MySQL - Rows to Columns
...history_extended as (
select
history.*,
case when itemname = "A" then itemvalue end as A,
case when itemname = "B" then itemvalue end as B,
case when itemname = "C" then itemvalue end as C
from history
);
select * from history_extended;
+--------+----------+-----------+------+-...