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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...
In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?
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Django 1.9 added the Field.disabled attribute: https://docs.djangoproject.com/en/stable/ref/forms/fields/#disabled
The disabled boolean argument, when set to True, disables a form field using the disabled HTML attribute so that it won’t be editable by users. Even if...
Origin null is not allowed by Access-Control-Allow-Origin
...
@CiaranG I ran python -m SimpleHTTPServer from a command line and then went to localhost:8000, worked for me. Python comes preinstalled with Mac OS X; you may need to install if using another OS.
– Dave Liepmann
Jul 2...
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?
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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?
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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);
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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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Git diff --name-only and copy that list
... # Then copy over the file.
cp -rf "$i" "$TARGET/$i"
done
https://stackoverflow.com/users/79061/sebastian-paaske-t%c3%b8rholm
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