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Copy tables from one database to another in SQL Server
...the 2 databases are on totally different servers with different connection strings? If not how do you handle that?
– Alexander Ryan Baggett
Aug 25 '17 at 20:07
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Equivalent of .try() for a hash to avoid “undefined method” errors on nil? [duplicate]
...;.country&.name
NoMethodError: undefined method `name' for "Australia":String
from (pry):38:in `<main>'
> params.try(:country).try(:name)
nil
It is also including a similar sort of way: Array#dig and Hash#dig. So now this
city = params.fetch(:[], :country).try(:[], :state).try(:[], :...
Using IQueryable with Linq
...ECT c.Id, c.Name
FROM [dbo].[Customer] c
WHERE c.Region = 'North'
(the string might end up as a parameter; I can't remember)
None of this would be possible if we had just used a delegate. And this is the point of Queryable / IQueryable<T>: it provides the entry-point for using expression ...
Rails 3 check if attribute changed
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Check out ActiveModel::Dirty (available on all models by default). The documentation is really good, but it lets you do things such as:
@user.street1_changed? # => true/false
share
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Is there a combination of “LIKE” and “IN” in SQL?
...clabz.com/sql-server/split-function-in-sql-server-to-break-comma-separated-strings-into-table.aspx
we can write the following based on a table I created called "Fish" (int id, varchar(50) Name)
SELECT Fish.* from Fish
JOIN dbo.Split('%ass,%e%',',') as Splits
on Name like Splits.items //...
Remove useless zero digits from decimals in PHP
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@alex This function works on integers, floats and strings.
– mpen
Jun 29 '16 at 16:14
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Counting the number of elements with the values of x in a vector
...ial floating point issues, especially with table, which coerces numbers to strings.
– hadley
Dec 17 '09 at 18:10
4
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Ruby arrays: %w vs %W
...es and escapes characters like #. '#{foo}' and "\#{foo}" give you the same string, which you can verify with '#{foo}' == "\#{foo}" in irb.
– Brian Campbell
Dec 4 '16 at 5:37
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Case insensitive regex in JavaScript
I want to extract a query string from my URL using JavaScript, and I want to do a case insensitive comparison for the query string name. Here is what I am doing:
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What is the purpose of flush() in Java streams?
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If the buffer is full, all strings that is buffered on it, they will be saved onto the disk. Buffers is used for avoiding from Big Deals! and overhead.
In BufferedWriter class that is placed in java libs, there is a one line like:
private static int ...