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Batch File; List files in directory, only filenames?
... in (list1.txt) do echo %%~nxA >> list.txt
del list1.txt
put your root directory in dir command. It will create a list1.txt with full path names and then a list.txt with only the file names.
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Computed / calculated / virtual / derived columns in PostgreSQL
...s defined in the SQL standard and implemented by some RDBMS including DB2, MySQL and Oracle. Nor the similar "computed columns" of SQL Server.
STORED generated columns are introduced with Postgres 12. Trivial example:
CREATE TABLE tbl (
int1 int
, int2 int
, product bigint GENERATED ALWAYS...
How to filter SQL results in a has-many-through relation
...on easier to extend to n clubs and that avoids INTERSECT (not available in MySQL) and IN (as performance of this sucks in MySQL)
SELECT s.id,
s.name
FROM student s
join student_club sc
ON s.id = sc.student_id
WHERE sc.club_id IN ( 30, 50 )
GROUP BY s.id,
s.name
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Check to see if python script is running
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This works BEAUTIFULLY. It just has to be run as root in order to run on Ubuntu. +1
– Jimmy
Oct 31 '15 at 14:57
11
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SQL - Update multiple records in one query
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This is a MySQL solution, not Postgres or MSSQL.
– Rz Mk
Dec 23 '17 at 15:30
1
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Targeting position:sticky elements that are currently in a 'stuck' state
... trick, if the situation allows for sticking to a pixel or two outside its root container, rather than properly flush against. That way when it sits just beyond the edge, the observer fires and we're off and running.
const observer = new IntersectionObserver(
([e]) => e.target.toggleAttribut...
Get URL query string parameters
...mp;arg2=val
And if you also want full path of file as well starting from root, e.g. /folder/folder2/file.php?arg1=val&arg2=val then just remove basename() function and just use fillowing
$_SERVER['REQUEST_URI']
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Problems with contenttypes when loading a fixture in Django
I am having trouble loading Django fixtures into my MySQL database because of contenttypes conflicts. First I tried dumping the data from only my app like this:
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Source unreachable when using the NuGet Package Manager Console
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I had to provide the comman along with the full url as Install-Package MySql.Data.Entity -Version 6.9.8 -Source http://www.nuget.org/api/v2
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jQuery dot in ID selector? [duplicate]
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Use the escaping rules from the jQuery selectors API as follows:
$('#root\\.SomeCoolThing')
From the docs:
To use any of the meta-characters (such as
!"#$%&'()*+,./:;<=>?@[\]^`{|}~) as a literal part of a name, it must
be escaped with with two backslashes: \\. For example...