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ActiveRecord.find(array_of_ids), preserving order
When you do Something.find(array_of_ids) in Rails, the order of the resulting array does not depend on the order of array_of_ids .
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How to simulate a button click using code?
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LinearLayout not expanding inside a ScrollView
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PostgreSQL: How to pass parameters from command line?
...XECUTE foo('foo','bar','baz');
This way you can always execute it in this order (the query prepared only if it does not prepared yet), repeat the execution and get the result from the last query.
What is your most productive shortcut with Vim?
...d of your file as a scratch space). This will have preserved the relative order of all the "foo" lines while having extracted them from the rest of the list. (This would be equivalent to doing something like: 1G!GGmap!Ggrep foo<ENTER>1G:1,'a g/foo'/d (copy the file to its own tail, filter th...
Easy way to concatenate two byte arrays
...go back and edit the line where you create the result byte array. Also, re-ordering the arrays is simple, unlike using the arraycopy method.
– Wayne Uroda
Aug 27 '12 at 11:38
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ActionController::InvalidAuthenticityToken
...ts some headers with more information about the original client request in order to be able to apply various processing tasks and security measures.
More details are available here: https://github.com/rails/rails/issues/22965.
TL;DR: the solution is to add some headers:
upstream myapp {
server ...
How to do SELECT COUNT(*) GROUP BY and ORDER BY in Django?
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Transaction.objects.all().values('actor').annotate(total=Count('actor')).order_by('total')
values() : specifies which columns are going to be used to "group by"
Django docs:
"When a values() clause is used to constrain the columns that are
returned in the result set, the method for evaluating an...
How to monitor network calls made from iOS Simulator
...e to set the proxy on your local Mac to your instance of a proxy server in order for it to intercept, since the simulator will make use of your local Mac's environment.
The best solution for packet sniffing (though it only works for actual iOS devices, not the simulator) I've found is to use rvictl...
LIMIT 10..20 in SQL Server
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For SQL Server 2012 + you can use.
SELECT *
FROM sys.databases
ORDER BY name
OFFSET 5 ROWS
FETCH NEXT 5 ROWS ONLY
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