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Design patterns or best practices for shell scripts [closed]
...NCNAME"
return 1
fi
local name=`$p_Table__mysql_exec "SELECT name FROM table WHERE id = '$id'"`
if test $? != 0 ; then
EXCEPTION=$Table__MySqlException
EXCEPTION_MSG="unable to perform select"
EXCEPTION_FUNC="$FUNCNAME"
return 1
fi
...
How can a LEFT OUTER JOIN return more records than exist in the left table?
...FT table, then you have no need to perform a JOIN at all and can just do a SELECT directly from the LEFT table.
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What is the difference between encode/decode?
...so the \u360 would be one character, not 5. Then you decode a string (with selected encoding) and get brand new object of the unicode type.
Just as a side note - you can select some pervert encoding, like 'zip', 'base64', 'rot' and some of them will convert from string to string, but I believe the ...
How do I force Postgres to use a particular index?
...d, client_id, date, and description. You want to run the following query:
SELECT client_id, SUM(amount)
FROM transactions
WHERE date >= 'yesterday'::timestamp AND date < 'today'::timestamp AND
description = 'Refund'
GROUP BY client_id
PostgreSQL may choose to use the index transaction...
List all indexes on ElasticSearch server?
...
you can also select and order columns adding e.g. &h=health,index as well as sort with &s=health:desc
– Georg Engel
Dec 18 '18 at 19:33
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difference between primary key and unique key
...ey, unique key, etc are collectively called as Candidate Key.
However, DBA selected a key from candidate key for searching records is called Primary key.
Difference between Primary Key and Unique key
1. Behavior: Primary Key is used to identify a row (record) in a table, whereas Unique-key is to...
Disable spell checking on IntelliJ IDEA
...u can either:
Disable spell checking entirely, or
Disable spell checking selectively (e.g. just the code), but enable for some others (e.g. comments).
I'm on MacOS Webstorm (version 2016.1.2). First thing first, go to the "Inspection" pane like this...
Webstorm -> Preferences -> search fo...
CSS selector based on element text? [duplicate]
Is there a way to select an element in css based on element text?
3 Answers
3
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date(): It is not safe to rely on the system\'s timezone settings.解决...
...tting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone.(2)
It is not safe to rely on the system解决方法,其实就是时区设置不正确造成的,本文提供了3种方法来解决...
What are the obj and bin folders (created by Visual Studio) used for?
... a compile in your project's Properties. You can also change the names and selected options for your build configurations.
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