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Checking for empty queryset in Django
What is the recommended idiom for checking whether a query returned any results?
Example:
7 Answers
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Hide grid row in WPF
I have a simple WPF form with a Grid declared on the form. This Grid has a bunch of rows:
8 Answers
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Paperclip::Errors::MissingRequiredValidatorError with Rails 4
I'm getting this error when I try to upload using paperclip with my rails blogging app.
Not sure what it is referring to when it says "MissingRequiredValidatorError"
I thought that by updating post_params and giving it :image it would be fine, as both create and update use post_params
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fatal: The current branch master has no upstream branch
I'm trying to push one of my projects to github, and I keep getting this error:
22 Answers
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What is Linux’s native GUI API?
...ems that sit on top of Linux, including GNU and X11, are "native" in any meaningful sense.
– Jim Balter
Nov 16 '12 at 4:37
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Why do assignment statements return a value?
This is allowed:
14 Answers
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What is an .inc and why use it?
I often see examples in PHP that include.inc files. What is the meaning of .inc? What it is used for? What are the disadvantages and advantages of using it?
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Auto reloading a Sails.js app on code changes?
Currently is seems that for any code change in a sails.js app you have to manually stop the sails server and run sails lift again before you can see the changes.
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Padding within inputs breaks width 100%
...oss all major browsers without prefix, and has been for several versoins: caniuse.com/#feat=css3-boxsizing
– Jason
Jan 17 '19 at 13:53
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How persistent is localStorage?
...can probably expect most of your DOM Storage data to last at least for a meaningful amount of time.
http://ejohn.org/blog/dom-storage/
Chrome implements it like cache:
LocalStorage is Not Secure Storage
HTML5 local storage saves data unencrypted in string form in the regular browser cache.
Persist...