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Add number of days to a date
...current time if no timestamp is given.
See the manual pages for
http://www.php.net/manual/en/function.strtotime.php
http://www.php.net/manual/en/function.date.php
and their function signatures.
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quick random row selection in Postgres
...
Check this link out for some different options.
http://www.depesz.com/index.php/2007/09/16/my-thoughts-on-getting-random-row/
Update: (A.Hatchkins)
The summary of the (very) long article is as follows.
The author lists four approaches:
1) ORDER BY random() LIMIT 1; -- slow
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API Keys vs HTTP Authentication vs OAuth in a RESTful API
... the caller of the API, then use oAuth.
Here's a good description: http://www.srimax.com/index.php/do-you-need-api-keys-api-identity-vs-authorization/
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Difference between solr and lucene
...ind a good comparison about the purpose of lucence and solar here:
http://www.lucenetutorial.com/lucene-vs-solr.html
TLDR: Lucence is just the engine, Solar is the car you can drive (equipped with rest-api etc.)
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Function to calculate distance between two coordinates
...res databases with latitude longitude :::
//::: are available at https://www.geodatasource.com :::
//::: :::
//::: For enquiries, please contact sales@geodatasource.com :::
//::: ...
How to exclude certain directories/files from git grep search
...ing, so this is loosely based on:
# http://www.linuxjournal.com/content/bash-preserving-whitespace-using-set-and-eval
x=1
items= ...
Tools for JPEG optimization? [closed]
...has tons of command line options, its free and have a nice license.
http://www.imagemagick.org
There seems to be an option called Strip that may help you:
http://www.imagemagick.org/script/command-line-options.php#strip
How can I link to a specific glibc version?
...sing a glibc-new => glibc-old cross-compiler.
According to the http://www.trevorpounds.com blog post Linking to Older Versioned Symbols (glibc), it is possible to to force any symbol to be linked against an older one so long as it is valid by using the the same .symver pseudo-op that is used fo...
How to implement a many-to-many relationship in PostgreSQL?
...ables using serial primary key columns
Auto increment table column
https://www.2ndquadrant.com/en/blog/postgresql-10-identity-columns/
I highly recommend that, because the name of a product is hardly unique (not a good "natural key"). Also, enforcing uniqueness and referencing the column in foreign...
Class type check in TypeScript
...sFish(pet)) {
pet.swim();
}
else {
pet.fly();
}
See more at:
https://www.typescriptlang.org/docs/handbook/advanced-types.html
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