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What does “use strict” do in JavaScript, and what is the reasoning behind it?
...rs, by detecting more things that could lead to breakages.
Strict mode is now supported by all major browsers.
Inside native ECMAScript modules (with import and export statements) and ES6 classes, strict mode is always enabled and cannot be disabled.
...
How to present popover properly in iOS 8
...(width: 320, height: 186)
}
}
}
And you're done. And you can now treat the popover view as any other view, ie. add fields and what not! And you get hold of the the content controller by using the popoverPresentationController.presentedViewController method in the UIPopoverPresentationC...
Equation for testing if a point is inside a circle
...
if dx>R then
return false.
if dy>R then
return false.
Now imagine a square diamond drawn inside this circle such that it's vertices touch this circle:
if dx + dy <= R then
return true.
Now we have covered most of our space and only a small area of this circle remains ...
Why should I avoid std::enable_if in function signatures
...f in function template parameters causes problems for overloading, because now the function signature aren't unique causing ambiguous overloading errors.
– Paul Fultz II
Mar 3 '13 at 17:05
...
Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?
...he: "single thing in all of iOS development that is most useful but least known" !! Heh
– Fattie
Feb 21 '14 at 15:12
7
...
Preferred method to store PHP arrays (json_encode vs serialize)
...-8 characters to unicode escape sequences." No longer necessarily true: we now have JSON_UNESCAPED_UNICODE.
– TRiG
Nov 24 '12 at 17:01
32
...
Failed to instantiate module [$injector:unpr] Unknown provider: $routeProvider
...angular.js file. If you are continuing to use $routeProvider then you will now need to include angular-route.js in your HTML:
<script src="angular.js">
<script src="angular-route.js">
API Reference
You also have to add ngRoute as a dependency for your application:
var app = angular....
NPM/Bower/Composer - differences?
...be basic package information and dependencies. And yes, they are needed.
Now, what about the READMEs? :-)
https://github.com/bower/bower
https://www.npmjs.org/doc/cli/npm.html
https://getcomposer.org/doc/00-intro.md
[update, four years later]
bower is deprecated, and should not be used anymo...
Case-insensitive search in Rails model
...ot's comment does not apply to strings from user input. "#$$" is a little-known shortcut for escaping global variables with Ruby string interpolation. It's equivalent to "#{$$}". But string interpolation doesn't happen to user-input strings. Try these in Irb to see the difference: "$##" and '$##'. T...
Comprehensive beginner's virtualenv tutorial? [closed]
... +1 I agree they were good for a beginner like me. I ran through both, now I at least know what it is and the basics of getting/using it. (The second for some reason explained activate but neglected deactivate o_O). I'm still hoping for more elaboration on when to use it (and when not to), and d...