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Dialog throwing "Unable to add window — token null is not for an application” with getApplication()

...reat! Just to comment on that.. you may sometimes need to store "this" globally, (for example) in order to access it within a listener's implemented method who has it's own 'this'. In that case, you'd define "Context context" globally, and then in the onCreate, set "context = this", and then refer t...
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jQuery Event : Detect changes to the html/text of a div

I have a div which has its content changing all the time , be it ajax requests , jquery functions , blur etc etc. 12 An...
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How to convert enum value to int?

...stants will break if new constants are added, and two the API docs specifically recommend against it. – jordanpg Oct 28 '14 at 3:26 8 ...
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I need to securely store a username and password in Python, what are my options?

I'm writing a small Python script which will periodically pull information from a 3rd party service using a username and password combo. I don't need to create something that is 100% bulletproof (does 100% even exist?), but I would like to involve a good measure of security so at the very least it w...
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System.MissingMethodException: Method not found?

...a library, that depends on a library, etc. Then make sure to Clean/Rebuild all of the dependent libraries with the same version of whichever dll, NHibernate in my case... – Serj Sagan Sep 19 '13 at 20:47 ...
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Android SQLite DB When to Close

... @mixel good point. I believe i posted this answer before API 16 was available, but I could be wrong – james Mar 26 '15 at 12:39 1 ...
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Determine a user's timezone

... offset does exactly what it says. It get's the offset. A time ZONE is actually a geographical area. This won't work for daylight savings since you don't know which hemisphere the user lives in, or if their country even has daylight savings. Why not use this instead: >>> date.toTimeString()...
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What is the maximum length of a Push Notification alert text?

... thing the documentation says is: In iOS 8 and later, the maximum size allowed for a notification payload is 2 kilobytes; Apple Push Notification Service refuses any notification that exceeds this limit. (Prior to iOS 8 and in OS X, the maximum payload size is 256 bytes.) This is what I could ...
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annotation to make a private method public only for test classes [duplicate]

... If you use FindBugs, I've built a plugin that can actually verify for you that @VisibleForTesting methods are not being used outside test classes. – Johnco Jul 23 '15 at 14:40 ...
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Calculating the difference between two Java date instances

... The JDK Date API is horribly broken unfortunately. I recommend using Joda Time library. Joda Time has a concept of time Interval: Interval interval = new Interval(oldTime, new Instant()); EDIT: By the way, Joda has two concepts: Inte...