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What is the intent of the methods getItem and getItemId in the Android class BaseAdapter?
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for non-sql related adapters , will getItemId still have a purpose? if so , what should be returned? position?
– android developer
Jun 21 '12 at 11:32
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Join a list of strings in python and wrap each string in quotation marks
...h F Strings (for python 3.6+), I've used backticks for a string used for a SQL script.
keys = ['foo', 'bar' , 'omg']
', '.join(f'`{k}`' for k in keys)
# result: '`foo`, `bar`, `omg`'
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impro...
Can I make git recognize a UTF-16 file as text?
... me. As per @OK comment, the "set" is irrelevant here, just *.vmc diff , *.sql diff etc.. is needed to set the 'diff' attribute for the path specified. (I can't edit the answer). 2 caveats however : diffs are shown with a space between each character, and not possible to "stage hunk" or "discard hu...
CAP theorem - Availability and Partition Tolerance
...ing some examples in each category, eg. blog.nahurst.com/visual-guide-to-nosql-systems
– bitinn
Apr 22 '15 at 8:22
it'...
Is there a command for formatting HTML in the Atom editor?
...Ruby, Java, C, C++, C#, Objective-C, CoffeeScript, TypeScript, Coldfusion, SQL, and more) in Atom within a matter of seconds.
To Install the atom-beautify package :
Open Atom Editor.
Press Ctrl+Shift+P (Cmd+Shift+P on mac), this will open the atom Command Palette.
Search and click on Install Packag...
How do I use itertools.groupby()?
...itions.
Edit: Note that this is what separates itertools.groupby from the SQL GROUP BY semantics: itertools doesn't (and in general can't) sort the iterator in advance, so groups with the same "key" aren't merged.
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Please explain about insertable=false and updatable=false in reference to the JPA @Column annotation
... @chrisinmtown Eclipselink will not include the column in the sql at all. I expect it is the same with Hibernate
– Jaqen H'ghar
Jan 6 '19 at 19:20
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What is a software framework? [closed]
...ata-persistence/storage layer, or - if you're too busy - just write custom SQL for every single database access.
You can write your own authentication and session handling layers.
And your own template rending logic.
And your own exception-handling logic.
And your own security functions.
And yo...
What columns generally make good indexes?
...ut indexes, what columns are good index candidates? Specifically for an MS SQL database?
12 Answers
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Check if a Postgres JSON array contains a string
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As of PostgreSQL 9.4, you can use the ? operator:
select info->>'name' from rabbits where (info->'food')::jsonb ? 'carrots';
You can even index the ? query on the "food" key if you switch to the jsonb type instead:
alter tabl...