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Android Studio: Default project directory
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answered Jul 30 '13 at 12:43
Rik MartinsRik Martins
97577 silver badges44 bronze badges
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Select by partial string from a pandas DataFrame
I have a DataFrame with 4 columns of which 2 contain string values. I was wondering if there was a way to select rows based on a partial string match against a particular column?
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What is the syntax rule for having trailing commas in tuple definitions?
...id expression:
a = [
"a",
"b"
"c"
]
Assuming that started as a 2 element list that was later extended it has gone wrong in a perhaps not immediately obvious way. Always include the trailing comma and you avoid that trap.
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RabbitMQ message size and types
...ant to read up on their performance measures:
http://www.rabbitmq.com/blog/2012/04/17/rabbitmq-performance-measurements-part-1/
http://www.rabbitmq.com/blog/2012/04/25/rabbitmq-performance-measurements-part-2/
Queues are pretty light weight, you will most likely be limited by the number of connectio...
How do you clear a slice in Go?
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123
It all depends on what is your definition of 'clear'. One of the valid ones certainly is:
slic...
Find all tables containing column with specified name - MS SQL Server
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29 Answers
29
Active
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#1071 - Specified key was too long; max key length is 1000 bytes
... left substring of the data. Most of your data will be a lot shorter than 255 characters anyway.
You can declare a prefix length per column as you define the index. For example:
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KEY `index` (`parent_menu_id`,`menu_link`(50),`plugin`(50),`alias`(50))
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But what's the best prefix length fo...
Setting CSS pseudo-class rules from JavaScript
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12 Answers
12
Active
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updating table rows in postgres using subquery
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720
Postgres allows:
UPDATE dummy
SET customer=subquery.customer,
address=subquery.address,
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