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java.util.Date vs java.sql.Date
...time functionality is back-ported to Java 6 & 7 in ThreeTen-Backport.
Android
Later versions of Android bundle implementations of the java.time classes.
For earlier Android (<26), the ThreeTenABP project adapts ThreeTen-Backport (mentioned above). See How to use ThreeTenABP….
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On logout, clear Activity history stack, preventing “back” button from opening logged-in-only Activi
...f the history stack so that pressing the "back" button returns the user to Android's home screen.
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Is there a performance difference between a for loop and a for-each loop?
... penalty of allocating the iterator. I had some highly parallel code in an Android live wallpaper. I saw that the garbage collector was going crazy. It was because for-each loops were allocating temporary iterators in many different (short-lived) threads, cause the garbage collector a lot of work. S...
Vertically align an image inside a div with responsive height
... images are appearing out of position, below the container div, on mobile (Android v2.3.5). Any idea on a fix for this?
– user1794295
Aug 30 '13 at 9:32
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App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网
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对于一个项目，应该开发一个与 ESP8266（项目）通信的 Android 应用程序。为了轻松开发应用程序，选择了 MIT App Inventor 2。
项目中可用的 ESP8266 设备的 IP 地址不应固定。应用程序本身应该确定哪些设备当前处于活动状态以及可...
Access Container View Controller from Parent iOS
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How do I horizontally center an absolute positioned element inside a 100% width div? [duplicate]
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Declaring array of objects
...have a variable which is an array and I want every element of the array to act as an object by default. To achieve this, I can do something like this in my code.
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Is it possible to create a File object from InputStream
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Couldn't resolve IOUtils in Android Studio and the link you referenced is a 404.
– Shahraiz T.
Nov 24 '16 at 5:07
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SQLite table constraint - unique on multiple columns
... that adding UNIQUE(i, j) to the create statement is completely ignored on android. It creates the table, but leaves off the UNIQUE constraint. I was only able to do this by using an index.
– gattsbr
Aug 11 at 14:55
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