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custom listview adapter getView method being called multiple times, and in no coherent order

... there is absolutely no guarantee on the order in which getView() will be called nor how many times. In your particular case you are doing the worst thing possible with a ListView by giving it a height=wrap_content. This forces ListView to measure a few children out of the adapter at layout time, to...
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How to simulate a button click using code?

...vent using code in Android? I want to trigger the button click programmatically when some other event occurs. 7 Answers ...
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Build a Basic Python Iterator

... Iterator objects in python conform to the iterator protocol, which basically means they provide two methods: __iter__() and __next__(). The __iter__ returns the iterator object and is implicitly called at the start of loops. The __next__() method returns the next value and is implicitly cal...
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What and where are the stack and heap?

...set aside as scratch space for a thread of execution. When a function is called, a block is reserved on the top of the stack for local variables and some bookkeeping data. When that function returns, the block becomes unused and can be used the next time a function is called. The stack is always ...
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jQuery : eq() vs get()

...uery element. Since DOM elements have no method fadeIn() it fails. http://api.jquery.com/get/ Description: Retrieve the DOM elements matched by the jQuery object. http://api.jquery.com/eq-selector/ Description: Select the element at index n within the matched set. ...
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Java Timestamp - How can I create a Timestamp with the date 23/09/2007?

... Actually the Timestamp constructor is depricated rather you could use Timestamp.valueOf() method – Shiva Komuravelly Dec 27 '12 at 10:04 ...
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Android Json and null values

... "null" != null. The problem is that isNull needs api 9+ and sometimes you want lower apis to work. This answer is well, you can use jsonObject.getString != "null" to. – sagits Jul 31 '14 at 19:36 ...
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Google Maps zoom control is messed up

I use the Google Maps API (v.3) to show a map with a couple of markers. I recently noticed that the control used to zoom the map is messed up (it wasn't always like this). I have no idea what the cause is. ...
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What do all of Scala's symbolic operators mean?

...se of teaching, into four categories: Keywords/reserved symbols Automatically imported methods Common methods Syntactic sugars/composition It is fortunate, then, that most categories are represented in the question: -> // Automatically imported method ||= // Syntactic sugar ++= // Syn...
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Powershell v3 Invoke-WebRequest HTTPS error

...19466/new-webserviceproxy-needs-force-parameter-to-ignore-ssl-errors Basically, in your PowerShell script: add-type @" using System.Net; using System.Security.Cryptography.X509Certificates; public class TrustAllCertsPolicy : ICertificatePolicy { public bool CheckValidationResul...