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scopes with lambda and arguments in Rails 4 style?
... (scope :find_lazy, ->(param)). In Ruby 2+, the space is allowed. More info here...
– furman87
Aug 22 '15 at 19:07
...
Get the current displaying UIViewController on the screen in AppDelegate.m
... which controller is topmost; your root controller should provide the same info some way. It cannot be inferred in general because it depends strictly on how you built your UI and there is no explicit controller hierarchy (like it happens for views). You may simply add a property to your root contro...
How to check if a user likes my Facebook Page or URL using Facebook's API
...ted within your tab app. If you parse that signed_request you can get some info about the user including if they've liked the page or not.
function parsePageSignedRequest() {
if (isset($_REQUEST['signed_request'])) {
$encoded_sig = null;
$payload = null;
list($encoded_sig, $pa...
What is the difference between require and require-dev sections in composer.json?
...ause of the following reasons :
speed
potential of expose some debuging info
etc
Some good candidates for require-dev are :
"filp/whoops": "^2.0",
"fzaninotto/faker": "^1.4",
"mockery/mockery": "^1.0",
"nunomaduro/collision": "^2.0",
"phpunit/phpunit": "^7.0"
you can see what above packages...
Group a list of objects by an attribute : Java
...ud_location;, this should work. Or you can define a getter function. More info in cs.princeton.edu/courses/archive/spr96/cs333/java/tutorial/java/…
– Eranga Heshan
Dec 30 '18 at 14:19
...
Javascript event handler with parameters
...e) {func(e, passedInElement); };
}) (this.elements[i]), false);
For more info on how an IIFE works, see these other references:
Javascript wrapping code inside anonymous function
Immediately-Invoked Function Expression (IIFE) In JavaScript - Passing jQuery
What are good use cases for JavaScript...
In Git, how can I write the current commit hash to a file in the same commit
...when it needs the version number, or a build process could incorporate the information into the final product. The latter is actually how git itself gets its version numbers - the build process grabs the version number out of the repo, then builds it into the executable.
...
Saving vim macros
... Using "ap or equivalent didn't work, but you can get to the same info by :reg
– DShook
Jul 9 '14 at 16:11
"...
Exception.Message vs Exception.ToString()
...er to use Exception.ToString() . With the latter, you retain more crucial information about the error.
7 Answers
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Constants in Objective-C
...hat it is linked in to the final product." Saved my sanity. @amok, do "Get info" on Constants.m and choose the "Targets" tab. Make sure it's checked for the relevant target(s).
– PEZ
Oct 19 '10 at 19:03
...