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What is so bad about singletons? [closed]
...ur objects can secretly get hold of things which are not declared in their APIs, and, as a result, Singletons make your APIs into pathological liars.
Where have all the Singletons Gone makes the point that dependency injection has made it easy to get instances to constructors that require them, wh...
Limit file format when using ?
...JavaScript (rather than just by looking at the extension) using HTML5 File API, but still, the file must be verified on the server, because a malicious user will still be able to upload files by making a custom HTTP request.
...
HTTP GET with request body
...t this is also common practice: The popular ElasticSearch engine's _search API recommends GET requests with the query attached in a JSON body. As a concession to incomplete HTTP client implementations, it also allows POST requests here.
– Christian Pietsch
Oct ...
Dynamically Changing log4j log level
... Calls to logger.setLevel() or similar methods are not supported in the
API. Applications should remove these. Equivalent functionality is
provided in the Log4j 2 implementation classes but may leave the
application susceptible to changes in Log4j 2 internals.
...
Why do all browsers' user agents start with “Mozilla/”?
...se the above website to get the formatted user agent and OS.
They have an API which you can use directly...
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Get image data url in JavaScript?
...sers, such as Opera, the event will not happen.
– ostapische
Dec 26 '13 at 5:31
1
@Hakkar a memor...
Update ViewPager dynamically?
...ragments. the default for these fragments to load the English content from API service but the problem here that i want to change the language from settings activity and after finish
settings activity i want ViewPager in main activity to refresh the fragments to match the language selection from th...
How to have stored properties in Swift, the same way I had on Objective-C?
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Associated objects API is a bit cumbersome to use. You can remove most of the boilerplate with a helper class.
public final class ObjectAssociation<T: AnyObject> {
private let policy: objc_AssociationPolicy
/// - Parameter poli...
Why is there no multiple inheritance in Java, but implementing multiple interfaces is allowed?
... interact with the rest of the program only through a small, simple public API. Then you can think about them in terms of that API instead of the internal details, which is important because people can only keep a limited amount of details in mind at the same time.
– Michael Bo...
When is a function too long? [closed]
...
@PedroMorteRolo Exactly. The standard API isn't always a model of elegance. Furthermore, much of the Java API was developed with an intimate knowledge of the Java Compiler and JVM, hence you have performance considerations that may explain it. I concede that cr...