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Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
...vely, in almost all contexts, the exception being that when converted to a string, the strings "False" or "True" are returned, respectively.
There is also, for Python 2:
In numeric contexts (for example when used as the argument to an arithmetic operator), they [False and True] behave like the...
Java's Virtual Machine and CLR
...nsiders a List<int> to be a completely different type from a List<String>.
Under the covers, it uses the same MSIL for all reference-type specializations (so a List<String> uses the same implementation as a List<Object>, with different type-casts at the API boundaries), but ...
Python's many ways of string formatting — are the older ones (going to be) deprecated?
Python has at least six ways of formatting a string:
5 Answers
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Ruby replace string with captured regex pattern
...only seem to be interested in the capture group, note that you can index a string with a regex:
"foo"[/oo/]
#=> "oo"
"Z_123: foobar"[/^Z_.*(?=:)/]
#=> "Z_123"
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Draw text in OpenGL ES
...aceView. This is slow and bad, but the most direct approach.
Render common strings to textures, and simply draw those textures. This is by far the simplest and fastest, but the least flexible.
Roll-your-own text rendering code based on a sprite. Probably second best choice if 2 isn't an option. A go...
How do I check if a string is valid JSON in Python?
In Python, is there a way to check if a string is valid JSON before trying to parse it?
4 Answers
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How to configure Ruby on Rails with no database?
...-record option to generate an application without a database
Notice the extra hyphen '-' as opposed to previous Rails versions.
rails new myApp --skip-active-record
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The entitlements specified…profile. (0xE8008016). Error iOS 4.2
... run the HealthKit "fit" app for iOS8 - there was an additional identifier string in the entitlements file. Removing it allowed the project to run after following other steps mentioned in this thread
– Alex Stone
Jul 17 '14 at 18:38
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What are all the uses of an underscore in Scala?
...ame: => Int): () => Int = callByName _
Default initializer
var x: String = _ // unloved syntax may be eliminated
There may be others I have forgotten!
Example showing why foo(_) and foo _ are different:
This example comes from 0__:
trait PlaceholderExample {
def process[A](f: A =...
Automatically deleting related rows in Laravel (Eloquent ORM)
...record in the DB, but will not run your delete method, so if you are doing extra work on delete (for example - delete files), it will not run
– amosmos
Dec 22 '15 at 13:57
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