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Rails: update_attribute vs update_attributes
...rue), if perform_validation is false it bypasses (skips will be the proper word) all the validations associated with save.
For second question
Also, what is the correct syntax to pass a hash to update_attributes... check out my example at the top.
Your example is correct.
Object.update_attr...
How do I compare two string variables in an 'if' statement in Bash? [duplicate]
...
Bash 4+ examples. Note: not using quotes will cause issues when words contain spaces, etc. Always quote in Bash IMO.
Here are some examples Bash 4+:
Example 1, check for 'yes' in string (case insensitive):
if [[ "${str,,}" == *"yes"* ]] ;then
Example 2, check for 'yes' in string (cas...
How can I sort arrays and data in PHP?
...kSort) didn't produce a stable outcome and that the original order between words of the same first letter wasn't preserved. This case is trivial and we should have compared the whole string, but let's assume your use-case is more complicated, such as two consecutive sorts on different fields that sh...
Get URL query string parameters
...andom hour of a random workday........ Absolute nonsense. There is no such word as 'never'. ANYTHING is dangerous when you use it wrong, ANYTHING is useful when you use it right....... 10 years ago a lot of people were talking like that regarding IFRAMEs. evil, absolute stupidity. absolute security ...
Initial size for the ArrayList
...;(10), you are setting the list's initial capacity, not its size. In other words, when constructed in this manner, the array list starts its life empty.
One way to add ten elements to the array list is by using a loop:
for (int i = 0; i < 10; i++) {
arr.add(0);
}
Having done this, you can n...
How to sum array of numbers in Ruby?
...code base most important, but since various communities tend to prefer one word over another, it’s nonetheless useful to know the alternatives.
To emphasize the map-reduce verbiage, here’s a version that is a little bit more forgiving on what ends up in that array.
array.map(&:to_i).reduce...
Switch statement multiple cases in JavaScript
...tness and density of representation? Better semantics through the includes word? Take your pick.
– ErikE
Jul 18 '19 at 15:21
add a comment
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How do I check that a Java String is not all whitespaces?
...n-whitespace characters rather than all non-whitespace since it refers to "word characters" defined as A-Z, a-z, 0-9, and underscore.
– Rob Raisch
May 28 '11 at 15:30
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Counter increment in Bash loop not working
...nwijk there needs to be a space before the square bracket (to 'delimit the words', formally speaking). Bash cannot otherwise see the end of the previous expression .
– EdwardGarson
Jan 27 '18 at 17:40
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Check if one list contains element from the other
...are contained in the
specified collection (optional operation). In other words, removes
from this list all of its elements that are not contained in the
specified collection.
true if this list changed as a result of the call
Its like
boolean b = list1.retainAll(list2);
...