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How to prevent custom views from losing state across screen orientation changes
...mented onRetainNonConfigurationInstance() for my main Activity to save and restore certain critical components across screen orientation changes.
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Java Singleton and Synchronization
Please clarify my queries regarding Singleton and Multithreading:
8 Answers
8
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Convert absolute path into relative path given a current directory using Bash
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It's a pity that the package is outdated on Ubuntu 14.04 and does not have the --relative-to option.
– kzh
Jul 21 '16 at 15:18
3
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How can I use a file in a command and redirect output to the same file without truncating it?
...ly I want to take as input text from a file, remove a line from that file, and send the output back to the same file. Something along these lines if that makes it any clearer.
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Test a weekly cron job [closed]
...it showing "Not a directory: -v" error, there is no man page for this command in my system , -v means verbose right? I am using centos 6.4
– max
Dec 29 '13 at 11:01
3
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How do I create my own URL protocol? (e.g. so://…) [closed]
...ocol-name Protocol"
URL Protocol ""
shell/
open/
command/
(Default) PathToExecutable
Sources: https://www.iana.org/assignments/uri-schemes/uri-schemes.xhtml,
http://msdn.microsoft.com/en-us/library/aa767914(v=vs.85).aspx
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Fast way of finding lines in one file that are not in another?
...ile1 file2
The input files should be sorted for this to work. With bash (and zsh) you can sort in-place with process substitution <( ):
diff --new-line-format="" --unchanged-line-format="" <(sort file1) <(sort file2)
In the above new and unchanged lines are suppressed, so only changed...
Difference between Control Template and DataTemplate in WPF
What is difference between a ControlTemplate and a DataTemplate in WPF?
7 Answers
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git: How do I get the latest version of my code?
...racked or generated files or subrepositories which just happen to be here) and just want a copy from the repo:
git reset --hard HEAD
git clean -xffd
git pull
Again, this will nuke any changes you've made locally so use carefully. Think about rm -Rf when doing this.
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Assignment inside lambda expression in Python
I have a list of objects and I want to remove all objects that are empty except for one, using filter and a lambda expression.
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