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What are the Dangers of Method Swizzling in Objective-C?
...fully aware of the consequences of the pattern, we are able to make more informed decisions about whether or not to use it. Singletons are a good example of something that's pretty controversial, and for good reason — they're really hard to implement properly. Many people still choose to use singl...
How to determine whether an object has a given property in JavaScript
...
Object has property:
If you are testing for properties that are on the object itself (not a part of its prototype chain) you can use .hasOwnProperty():
if (x.hasOwnProperty('y')) {
// ......
}
Object or its prototype has a property:
You can use the in operat...
How to check if a number is between two values?
... I'm going to add this to my default toolbox - very handy and thanks for this contribution!
– SidOfc
Jun 10 '15 at 12:48
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Uncaught SyntaxError: Unexpected token :
...php redirect that is causing this in Chrome.
– Works for a Living
Mar 8 '16 at 20:20
7
To add to ...
Linux: copy and create destination dir if it does not exist
...
mkdir -p "$d" && cp file "$d"
(there's no such option for cp).
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How to check if a String contains another String in a case insensitive manner in Java?
...itive. You can use java.util.regex.Pattern with the CASE_INSENSITIVE flag for case insensitive matching:
Pattern.compile(Pattern.quote(wantedStr), Pattern.CASE_INSENSITIVE).matcher(source).find();
EDIT: If s2 contains regex special characters (of which there are many) it's important to quote it ...
Concatenate two slices in Go
...
This is just like any other variadic function.
func foo(is ...int) {
for i := 0; i < len(is); i++ {
fmt.Println(is[i])
}
}
func main() {
foo([]int{9,8,7,6,5}...)
}
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How to test android referral tracking?
...
But your BroadcastReceiver may need to be the AnalyticsReceiver, i.e.
For Google Analytics v2:
com.your.package/com.google.analytics.tracking.android.CampaignTrackingReceiver
For Google Analytics v3:
com.your.package/com.google.android.apps.analytics.AnalyticsReceiver
For Google Ana...
How to Display blob (.pdf) in an AngularJS app
...sponse. The pdf must be displayed within the app using <embed src> for example.
8 Answers
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What are the nuances of scope prototypal / prototypical inheritance in AngularJS?
...onstruct is often used when creating a "reusable component" directive.
As for the nuances, scope inheritance is normally straightfoward... until you need 2-way data binding (i.e., form elements, ng-model) in the child scope. Ng-repeat, ng-switch, and ng-include can trip you up if you try to bind t...