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How to check if a string contains a substring in Bash
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Note that the order in which the test occurs matters. The output of the following line of code will be forward 2. number=2; if [[ "1, 2, 4, 5" = *${number}* ]]; then echo forward $number; fi; if [[ *${number}* = "1, 2, 4, 5" ]]; then echo ...
Convert PDF to clean SVG? [closed]
...t they often lose the font data, but don't seem to approximate a good, installed font. How does PDF display it if SVG can't?
– DanRedux
Apr 23 '12 at 21:30
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Compare given date with today
...:00:00";
if ($date < $today) {}
That's the beauty of that format: it orders nicely. Of course, that may be less efficient, depending on your exact circumstances, but it might also be a whole lot more convenient and lead to more maintainable code - we'd need to know more to truly make that judg...
pass post data with window.location.href
...n attribute of the form to the URL and the method attribute to POST, then call the submit method on the form tag.
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How do I extract the contents of an rpm?
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Did you try the rpm2cpio commmand? See the example below:
$ rpm2cpio php-5.1.4-1.esp1.x86_64.rpm | cpio -idmv
/etc/httpd/conf.d/php.conf
./etc/php.d
./etc/php.ini
./usr/bin/php
./usr/bin/php-cgi
etc
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How does the algorithm to color the song list in iTunes 11 work? [closed]
...y discovered that the built-in Mathematica function DominantColors doesn't allow enough fine-grained control to approximate the algorithm that iTunes uses. I wrote my own function instead...
A simple method to calculate the dominant color in a group of pixels is to collect all pixels into buckets ...
How to listen for changes to a MongoDB collection?
...ase-notes/3.6/ 2018/01/10
$ mongod --version
db version v3.6.2
In order to use changeStreams the database must be a Replication Set
More about Replication Sets:
https://docs.mongodb.com/manual/replication/
Your Database will be a "Standalone" by default.
How to Convert...
SQL Query to concatenate column values from multiple rows in Oracle
...ommon one is to use LISTAGG:
SELECT pid, LISTAGG(Desc, ' ') WITHIN GROUP (ORDER BY seq) AS description
FROM B GROUP BY pid;
Then join to A to pick out the pids you want.
Note: Out of the box, LISTAGG only works correctly with VARCHAR2 columns.
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PHP: Move associative array element to beginning of array
...lah Blah Blah 4',
'five' => 'Blah Blah Blah 5',
];
// set necessary order
$orderArray = [
'one' => '',
'two' => '',
];
//apply it
$result = \array_replace($orderArray, $myArray);
\print_r($result);
shar...
Global variables in Javascript across multiple files
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