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mysqldump - Export structure only without autoincrement
...cript: db_bkp.sh
#!/bin/sh
filename="db_structure.sql"
backupfolder="/var/www/"
fpath="$backupfolder/$filename"
usr="DBUSER"
pass="DBPASS"
db="DBNAME"
mysqldump --user=$usr --password=$pass --no-data $db | sed 's/ AUTO_INCREMENT=[0-9]*//g' > "$fpath"
Then I added this to crontab:
30 5 * * * s...
Remove blank lines with grep
... how/why this works, I recommend reading up on regular expressions. http://www.regular-expressions.info/tutorial.html
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What's the point of JAXB 2's ObjectFactory classes?
... Example (from the XHTML 1.1 schema):
@XmlElementDecl(namespace = "http://www.w3.org/1999/xhtml", name = "style", scope = XhtmlHeadType.class)
public JAXBElement<XhtmlStyleType> createXhtmlHeadTypeStyle(XhtmlStyleType value) {
return new JAXBElement<XhtmlStyleType>(_XhtmlHeadTypeSty...
Good way of getting the user's location in Android
...n refer then to cell location through several open databases (e.g., http://www.location-api.com/ or http://opencellid.org/ )
The strategy would be to read the list of tower IDs when reading the location. Then, in next query (10 minutes in your app), read them again. If at least some towers are th...
How to insert a line break before an element using CSS
... However, there appears to be no browser support. (Read more here: http://www.w3.org/TR/css3-content/#wrapping)
Best bet is use a bit of jQuery here:
$('<br />').insertBefore('#restart');
Example: http://jsfiddle.net/jasongennaro/sJGH9/1/
...
postgresql - sql - count of `true` values
...unt(nullif(myCol, false)), -- count true values
count(myCol);
http://www.postgresql.org/docs/9.0/static/functions-conditional.html
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How do you use variables in a simple PostgreSQL script?
...documentation.
You can use new PG9.0 anonymous code block feature (http://www.postgresql.org/docs/9.1/static/sql-do.html )
DO $$
DECLARE v_List TEXT;
BEGIN
v_List := 'foobar' ;
SELECT *
FROM dbo.PubLists
WHERE Name = v_List;
-- ...
END $$;
Also you can get the last insert id:
DO $$...
How do I perform a Perl substitution on a string while keeping the original?
...
Another pre-5.14 solution: http://www.perlmonks.org/?node_id=346719 (see japhy's post)
As his approach uses map, it also works well for arrays, but requires cascading map to produce a temporary array (otherwise the original would be modified):
my @orig = ('...
Cannot simply use PostgreSQL table name (“relation does not exist”)
...hema search path:
SET search_path TO showfinder,public;
See also http://www.postgresql.org/docs/8.3/static/ddl-schemas.html
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Replace transparency in PNG images with white background
....
-alpha remove -alpha off (not needed with JPG)
See documention: http://www.imagemagick.org/Usage/masking/#remove
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