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How to get unique device hardware id in Android? [duplicate]
How to get the unique device ID in Android which cannot be changed when performing a phone reset or OS update?
3 Answers
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SQLite - UPSERT *not* INSERT or REPLACE
...NAME, ROLE
BAD: This will insert or replace all columns with new values for ID=1:
INSERT OR REPLACE INTO Employee (id, name, role)
VALUES (1, 'John Foo', 'CEO');
BAD: This will insert or replace 2 of the columns... the NAME column will be set to NULL or the default value:
INSERT OR REPLA...
SQL update fields of one table from fields of another one
... an excellent way to use values in one column in a table as a lookup table for replacing values in a column in another table (see SO 21657475), so +1 ...
– Victoria Stuart
May 8 '18 at 18:07
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How to select where ID in Array Rails ActiveRecord without exception
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Update: This answer is more relevant for Rails 4.x
Do this:
current_user.comments.where(:id=>[123,"456","Michael Jackson"])
The stronger side of this approach is that it returns a Relation object, to which you can join more .where clauses, .limit clauses,...
How do I select an entire row which has the largest ID in the table?
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@MichaelMior: id could be a foreign key, in which case it may not be unique. I did some benchmarking using set profiling = 1; ...; show profiles and it appears our solutions have the same performance using MySQL. For my own knowledge, do you know what D...
How do SQL EXISTS statements work?
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Think of it this way:
For 'each' row from Suppliers, check if there 'exists' a row in the Order table that meets the condition Suppliers.supplier_id (this comes from Outer query current 'row') = Orders.supplier_id. When you find the first matchin...
How do I get jQuery to select elements with a . (period) in their ID?
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From Google Groups:
Use two backslashes before each special character.
A backslash in a jQuery selector escapes the next character. But you need
two of them because backslash is also the escape character for JavaScript
strings. The first backslash escapes th...
Find all records which have a count of an association greater than zero
...ent, without a group clause, the code above will return duplicate projects for projects with more than one vacancies. To remove the duplicates, use
Project.joins(:vacancies).group('projects.id')
UPDATE:
As pointed out by @Tolsee, you can also use distinct.
Project.joins(:vacancies).distinct
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How to get the instance id from within an ec2 instance?
... also use curl instead of wget, depending on what is installed on your platform.
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What's Mongoose error Cast to ObjectId failed for value XXX at path “_id”?
...rameter to the type of the model's _id field so that it can properly query for the matching doc. This is an ObjectId but "foo" is not a valid ObjectId so the cast fails.
This doesn't happen with 41224d776a326fb40f000001 because that string is a valid ObjectId.
One way to resolve this is to add a ...