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Is there a way to detect if a browser window is not currently active?
I have JavaScript that is doing activity periodically. When the user is not looking at the site (i.e., the window or tab does not have focus), it'd be nice to not run.
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android splash screen sizes for ldpi,mdpi, hdpi, xhdpi displays ? - eg : 1024X768 pixels for ldpi
...le.
According to Google's statistics the majority of ldpi displays are small screens and the majority of mdpi, hdpi, xhdpi and xxhdpi displays are normal sized screens.
xlarge screens are at least 960dp x 720dp
large screens are at least 640dp x 480dp
normal screens are at least 470dp x 320dp
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What's the use of Jade or Handlebars when writing AngularJs apps
...tensibility. Jade is hardly "easier to parse" than HTML. They are but trivially different, while Jade adds another level of indirection - best avoided.
There is one valid, specialised case for server-side templating: Optimisation, remembering that premature optimisation is generally a Bad Thing. Wh...
What is the difference between up-casting and down-casting with respect to class variable
... supertype, while downcasting is casting to a subtype. Upcasting is always allowed, but downcasting involves a type check and can throw a ClassCastException.
In your case, a cast from a Dog to an Animal is an upcast, because a Dog is-a Animal. In general, you can upcast whenever there is an is-a re...
Java: Detect duplicates in ArrayList?
...ole collection into a Set (using the Set(Collection) constructor or Set.addAll), then see if the Set has the same size as the ArrayList.
List<Integer> list = ...;
Set<Integer> set = new HashSet<Integer>(list);
if(set.size() < list.size()){
/* There are duplicates */
}
Up...
How to exclude a directory in find . command
I'm trying to run a find command for all JavaScript files, but how do I exclude a specific directory?
38 Answers
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C# naming convention for constants?
...alCasing for constants (Microsoft has a tool named StyleCop that documents all the preferred conventions and can check your source for compliance - though it is a little bit too anally retentive for many people's tastes). e.g.
private const int TheAnswer = 42;
The Pascal capitalization convention...
Handling Dialogs in WPF with MVVM
... in terms of how to show it, and retrieve dialog result from it etc. Especially in MVVM scenario in Silverlight.
– Roboblob
Jan 8 '10 at 15:41
16
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Best way to compare two complex objects
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Implement IEquatable<T> (typically in conjunction with overriding the inherited Object.Equals and Object.GetHashCode methods) on all your custom types. In the case of composite types, invoke the contained types’ Equals method within the containing types...
Why is Dictionary preferred over Hashtable in C#?
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For what it's worth, a Dictionary is (conceptually) a hash table.
If you meant "why do we use the Dictionary<TKey, TValue> class instead of the Hashtable class?", then it's an easy answer: Dictionary<TKey, TValue> is a generic type, Hashtable is not. That me...