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How does one make an optional closure in swift?
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Do you know what the rationale is for having to enclose it in parenthesis?
– Marcosc
Jun 24 '14 at 20:56
5
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What's the difference between and , and ?
...phones
"Bold" is a style - when you say "bold a word", people basically know that
it means to add more, let's say "ink", around the letters until they stand out
more amongst the rest of the letters.
That, unfortunately, means nothing to a blind person. On mobile phones
and other PDAs, text is a...
Differences between strong and weak in Objective-C
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Great details. I think I didn't really get it until now. Thank you.
– ahmedalkaff
Aug 20 '13 at 20:11
1
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How do I comment on the Windows command line?
...essor (such as within complex if or for statements) so I generally use rem nowadays. In any case, it's a hack, suborning the label infrastructure to make it look like a comment when it really isn't. For example, try replacing rem with :: in the following example and see how it works out:
if 1==1 (
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Which equals operator (== vs ===) should be used in JavaScript comparisons?
...same and when they are of the same length (as explained in the third rule)
Now it becomes interesting:
var a = "12" + "3";
var b = "123";
alert(a === b); // returns true, because strings behave like value types
But how about this?:
var a = new String("123");
var b = "123";
alert(a === b); // retu...
Inefficient jQuery usage warnings in PHPStorm IDE
I recently upgraded my version of PHPStorm IDE and it now warns me about inefficient jQuery usage.
3 Answers
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Android Shared preferences for creating one time activity (example) [closed]
...les just too confusing, so I wrote my own. Code fragments are fine if you know what you're doing, but what about people like me who don't?
Want a cut-n-paste solution instead? Well here it is!
Create a new java file and call it Keystore. Then paste in this code:
import android.content.Context...
How to write a:hover in inline CSS?
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You could do it at some point in the past. But now (according to the latest revision of the same standard, which is Candidate Recommendation) you can't
.
share
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impr...
AngularJS: Understanding design pattern
...-click="collapsed = !collapsed"
It pretty much signify any developer that now to understand how the system work they need to inspect both the Javascript files, and the HTML ones.
Controllers
Do:
Bind the view to the 'model' by placing data on the scope.
Respond to user actions.
Deal with presentat...
How do I *really* justify a horizontal menu in HTML+CSS?
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Modern Approach - Flexboxes!
Now that CSS3 flexboxes have better browser support, some of us can finally start using them. Just add additional vendor prefixes for more browser coverage.
In this instance, you would just set the parent element's display t...