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Extract source code from .jar file
...ing things)
cd ~
mkdir decompiled_code && cd decompiled_code
wget https://bitbucket.org/mstrobel/procyon/downloads/procyon-decompiler-0.5.36.jar
java -jar procyon-decompiler-0.5.36.jar /Path/to/your/jar -o .
NOTE : as @Richard commented "this may be illegal depending on whether you own th...
xcode-select active developer directory error
...eTools are installed after Xcode)
Solution:
Install Xcode (get it from https://appstore.com/mac/apple/xcode) if you don't have it yet.
Accept the Terms and Conditions.
Ensure Xcode app is in the /Applications directory (NOT /Users/{user}/Applications).
Point xcode-select to the Xcode app Develop...
jQuery get selected option value (not the text, but the attribute 'value')
... $(this).find('option').filter(':selected').text());
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<select>
<option value="1" selected>1 - Text</option>
<option value="2">2 - Text</option>
<opti...
How to view/delete local storage in Firefox?
...at plugin for Firebug that clones this nice feature in chrome. Check out:
https://addons.mozilla.org/en-US/firefox/addon/firestorage-plus/
It's developed by Nick Belhomme and updated regularly
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Create timestamp variable in bash script
... the complete list of these specifiers in the official documentation here: https://www.gnu.org/software/coreutils/manual/html_node/Time-conversion-specifiers.html#Time-conversion-specifiers
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How to check for a JSON response using RSpec?
...
There's also the json_spec gem, which is worth a look
https://github.com/collectiveidea/json_spec
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How to convert Set to Array?
...
via https://speakerdeck.com/anguscroll/es6-uncensored by Angus Croll
It turns out, we can use spread operator:
var myArr = [...mySet];
Or, alternatively, use Array.from:
var myArr = Array.from(mySet);
...
How Do I Use Factory Girl To Generate A Paperclip Attachment?
... code in the gist below:
Rails 2
http://gist.github.com/162881
Rails 3
https://gist.github.com/313121
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Java generics T vs Object
...quires type-casting is error-prone
Type Casting in Java is slow
ref : [1]: https://www.infoworld.com/article/2076555/java-performance-programming--part-2--the-cost-of-casting.html
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How to detect first time app launch on an iPhone
...UserDefaults] synchronize];
return false;
}
}
Ref for OBJ-C: https://stackoverflow.com/a/9964400/3411787
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