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How to select where ID in Array Rails ActiveRecord without exception
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Is there any way to keep the order of the your_id_array when you get the objects back?
– Joshua Pinter
Sep 9 '15 at 18:16
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What is the email subject length limit?
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How to install a gem or update RubyGems if it fails with a permissions error
...y is before the path for the system Ruby.
$ echo $PATH will show you the order of your load path.
If you find that your shims directory comes after your system Ruby bin directory, then edit your ~/.bashrc file and put this as your last export PATH command: export PATH=$HOME/.rbenv/shims:$PATH
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How to perform .Max() on a property of all objects in a collection and return the object with maximu
...er which finds the maximum value on every iteration (making it O(n^2))
The ordering solution is O(n log n)
Taking the Max value and then finding the first element with that value is O(n), but iterates over the sequence twice. Where possible, you should use LINQ in a single-pass fashion.
It's a lot s...
vs vs for inline and block code snippets
...nly I found way to show raw HTML code (for debugging purpose) in WordPress/PHP templates...
– sphakka
Apr 2 '17 at 9:37
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Clicking the text to select corresponding radio button
I'm creating a quiz web application using PHP. Each question is comprised of a separate <label> and has 4 possible choices, using radio buttons to allow the user to select his/her answer. The current HTML for a single question looks like:
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What do
...re saying that A can be implicitly converted to String. If you changed the order and made the implicit argument be of type String =:= A, it wouldn't work, because this would be an implicit conversion from String to A.
– Tom Crockett
Aug 8 '10 at 9:34
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When should I use cross apply over inner join?
...ELECT TOP 3 *
FROM t2
WHERE t2.t1_id = t1.id
ORDER BY
t2.rank DESC
) t2o
It cannot be easily formulated with an INNER JOIN condition.
You could probably do something like that using CTE's and window function:
WITH t2o AS
(
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How to run multiple .BAT files within a .BAT file
...iles, you could also use for to do this (it does not guarantee the correct order of batch file calls; it follows the order of the file system):
FOR %x IN (*.bat) DO call "%x"
You can also react on errorlevels after a call. Use:
exit /B 1 # Or any other integer value in 0..255
to give back an...
How to sort an array based on the length of each element?
... elements that compare
equal do not necessarily remain in their original order).
If the objective is to sort by length then by dictionary order you must specify additional criteria:
["c", "a", "b"].sort(function(a, b) {
return a.length - b.length || // sort by length, if equal then
a...