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Handler is abstract ,cannot be instantiated
I am trying to use a Handler in my app. But when i instantiate it like this:
6 Answers
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What's the absurd function in Data.Void useful for?
...little bit hard, since Haskell is non strict. The general use case is to handle impossible paths. For example
simple :: Either Void a -> a
simple (Left x) = absurd x
simple (Right y) = y
This turns out to be somewhat useful. Consider a simple type for Pipes
data Pipe a b r
= Pure r
| A...
Set Locale programmatically
...etLocate(locale)
EDIT 7th APRIL 2020
You might be experiencing issues in Android 6 and 7, and this happens due to an issue in the androidx libraries while handling the night mode. For this you will also need to override applyOverrideConfiguration in your base activity and update the configuration'...
Linux的诞生和发展 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...个重要支柱：UNIX 操作系统、MINIX 操作系统、GNU 计划、POSIX 标准和Internet 网络。
下面主要根据这五个基本线索来追寻一下Linux 的开发历程，它的酝酿过程，最初的发展经历。首先分别介绍其中的四个基本要素(UNIX、MINIX、G...
List goals/targets in GNU make that contain variables in their definition
...at gnu make can be convinced to spit out a list of targets after it has expanded these variables?
16 Answers
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Setting the correct encoding when piping stdout in Python
...t of a Python program, the Python interpreter gets confused about encoding and sets it to None. This means a program like this:
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How to Iterate over a Set/HashSet without an Iterator?
...accessing the underlying structure that holds the data through reflection, and replicating the code provided by Set#iterator...
– assylias
Sep 17 '12 at 8:46
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Check if a string is html or not
...se. If you use a < b && a > c the browser will turn the > and < characters into > and < entities appropriately. If, instead, you use a<b && a>c the browser will interpret the markup as a<b && a>c</b> because the lack of a space mean...
Include another HTML file in a HTML file
I have 2 HTML files, suppose a.html and b.html . In a.html I want to include b.html .
37 Answers
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How do I verify/check/test/validate my SSH passphrase?
...ng selinux, you might also want to check the context of the home directory and .ssh files! I was lucky enough to be able to use this simple fix: # restorecon -R -v /home/user To check if this is the problem (though the preceding command shouldn't cause any issues), you can use $ ls -lZR <home_dir...