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psql: FATAL: role “postgres” does not exist
...not have any login password.
Check this site for more articles like this: https://medium.com/@Nithanaroy/installing-postgres-on-mac-18f017c5d3f7
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Queries vs. Filters
...filters are cached and should be used if scoring does not matter.
Source: https://logz.io/blog/elasticsearch-queries/
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MongoDB - admin user not authorized
...see which roles you will need to give you users to complete certain tasks.
https://docs.mongodb.com/manual/reference/built-in-roles/
Its not advisable to make all your users super ones :)
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Accessing MP3 metadata with Python [closed]
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check this one out:
https://github.com/Ciantic/songdetails
Usage example:
>>> import songdetails
>>> song = songdetails.scan("data/song.mp3")
>>> print song.duration
0:03:12
Saving changes:
>>> import son...
T-SQL CASE Clause: How to specify WHEN NULL
...son will be UNKNOWN, which is treated like false in a case structure. See: https://www.xaprb.com/blog/2006/05/18/why-null-never-compares-false-to-anything-in-sql/
To avoid this, Coalesce is the best way.
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`ui-router` $stateParams vs. $state.params
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The documentation reiterates your findings here: https://github.com/angular-ui/ui-router/wiki/URL-Routing#stateparams-service
If my memory serves, $stateParams was introduced later than the original $state.params, and seems to be a simple helper injector to avoid continuou...
How to convert a string of bytes into an int?
...B'*len(data_ints), *data_ints) # '\xff\x10\x11'
That * is required!
See https://docs.python.org/2/library/struct.html#format-characters for a list of the format specifiers.
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How can I run just the statement my cursor is on in SQL Server Management Studio?
... the statement you want to execute and press CTRL+SHIFT+E
SSMS Executor - https://github.com/devvcat/ssms-executor/releases
Update:
Project moved to github and the addin re-written to support SSMS 2014, SSMS 2016. (Previously, the project lived on codeplex, at SSMS Executor - http://ssmsexecutor.c...
How do I create a link using javascript?
...example.com/path.
Check if example.com can be accessed by http: as well as https: but 95 % of sites will work on both.
OffTopic: That's not really relevant about creating links in JS
but maybe good to know:
Well sometimes like in the chromes dev-console you can use $("body") instead of document.quer...
Displaying better error message than “No JSON object could be decoded”
...library found here: http://code.google.com/p/rson/ . I it also up on PYPI: https://pypi.python.org/pypi/rson/0.9 so you can use easy_install or pip to get it.
for the example given by tom:
>>> rson.loads('[1,2,]')
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rson.base.tokenizer.RSONDecodeError: Unexpected trailing comma: line 1,...