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Liquibase lock - reasons?
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Sometimes if the update application is abruptly stopped, then the lock remains stuck.
Then running
UPDATE DATABASECHANGELOGLOCK SET LOCKED=0, LOCKGRANTED=null, LOCKEDBY=null where ID=1;
against the database helps.
Or you can simply drop the DATABASECHANGELOGLOCK table, it will be recreate...
Turning multi-line string into single comma-separated
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You can use awk and sed:
awk -vORS=, '{ print $2 }' file.txt | sed 's/,$/\n/'
Or if you want to use a pipe:
echo "data" | awk -vORS=, '{ print $2 }' | sed 's/,$/\n/'
To break it down:
awk is great at handling data broken down into ...
IE8 support for CSS Media Query
... Explorer versions before IE9 do not support media queries.
If you are looking for a way of degrading the design for IE8 users, you may find IE's conditional commenting helpful. Using this, you can specify an IE 8/7/6 specific style sheet which over writes the previous rules.
For example:
<lin...
How to remove all CSS classes using jQuery/JavaScript?
...ted Sep 15 '09 at 11:07
Esteban Küber
33k1313 gold badges7676 silver badges9696 bronze badges
answered Sep 15 '09 at 3:37
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SQL WHERE condition is not equal to?
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You can do like this
DELETE FROM table WHERE id NOT IN ( 2 )
OR
DELETE FROM table WHERE id <> 2
As @Frank Schmitt noted, you might want to be careful about the NULL values too. If you want to delete everything which is not ...
What is the purpose of the HTML “no-js” class?
... a lot of template engines, in the HTML5 Boilerplate , in various frameworks and in plain php sites there is the no-js class added onto the <HTML> tag.
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How can I remove a trailing newline?
...est string\n'.rstrip()
'test string'
Python's rstrip() method strips all kinds of trailing whitespace by default, not just one newline as Perl does with chomp.
>>> 'test string \n \r\n\n\r \n\n'.rstrip()
'test string'
To strip only newlines:
>>> 'test string \n \r\n\n\r \n\n'...
How do I change selected value of select2 dropdown with JqGrid?
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For select2 version >= 4.0.0
The other solutions might not work, however the following examples should work.
Solution 1: Causes all attached change events to trigger, including select2
$('select').val('1').trigger('change');
Solution 2: Causes JUST select2 change event to trigger
$...
Reducing memory usage of .NET applications?
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You might want to check out Stack Overflow question .NET EXE memory footprint.
The MSDN blog post Working set != actual memory footprint is all about demystifying the working set, process memory and how to perform accurate calculations on your tot...
AngularJS - Any way for $http.post to send request parameters instead of JSON?
I have some old code that is making an AJAX POST request through jQuery's post method and looks something like this:
13 A...