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Creating an instance of class
...
Allocates some dynamic memory from the free store, and creates an object in that memory using its default constructor. You never delete it, so the memory is leaked.
Does exactly the same as 1; in the case of user-defined types, the parentheses are optiona...
Git merge without auto commit
... cycle seemed to return everything to normal; with just the modified files from the target branch in place as intended, and no longer a MERGING status.
– MoonLite
Aug 15 '17 at 14:49
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How to use SSH to run a local shell script on a remote machine?
... ending delimiter is indented using TABs, not spaces. Note that copy/paste from stackexchange will give you spaces. Change those to tabs and the indent feature should work.
– fbicknel
Jun 24 '16 at 17:06
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What's the opposite of chr() in Ruby?
...("C"))'
-e:1:in `printf': can't convert Array into Integer (TypeError)
from -e:1
$ ruby -e 'printf("0x%02X\n", "A".unpack("C")[0])'
0x41
$
I'm trying to write code that works on Ruby 1.8.1, 1.8.7 and 1.9.2.
Edited to pass C to unpack in uppercase, because unpack("c") gives me -1 where ord() ...
Why are arrays of references illegal?
... @AaronMcDaid I think the real reason - which is so conspicuously absent from this & similar discussions - is that if one had an array of references, how would one possibly disambiguate between the address of an element & the address of its referent? The immediate objection to 'You can't p...
Android: why is there no maxHeight for a View?
... This was useful for preventing a dialog with scrolling contents from expanding to the full height of the screen.
– Kyle Ivey
Dec 5 '13 at 0:36
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undefined method `source_index' for Gem:Module (NoMethodError)
...st ran into this problem myself while trying to upgrade an older Rails app from REE 1.8.7 to 1.9.3-p385. Oddly, Ruby 1.9.3-p327 works just fine. What it came down to was ruby-1.9.3-p385 had installed RubyGems version 2.0.2 for me, and 1.9.3-p327 has RubyGems v1.8.23 installed.
Gem.source_index has ...
How to verify a user's password in Devise
...ing to find user by password, but I don't understand how to match password from form and encrypted_password in my db.
4 Ans...
Differences between lodash and underscore [closed]
... } );
// → [{ 'name': 'barney', 'age': 36, 'blocked': false }]
(taken from lodash docs)
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How to trigger an event after using event.preventDefault()
...ions.email_check_complete ) {
e.preventDefault(); // Prevent form from submitting.
$.ajax({
url: '/api/check_email'
type: 'get',
contentType: 'application/json',
data: {
'email_address': $('email').val()
}...