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Django - how to create a file and save it to a model's FileField?
...der. Turns out the issue is that I'm using docker-compose to run my django app along with a celery worker. The django app volume for MEDIA_ROOT was not shared with the same volume in the celery worker. Sharing the named volume fixed it (ref).
– shadi
May 12 '18...
error: No resource identifier found for attribute 'adSize' in package 'com.google.example' main.xml
When I followed the instructions to add an ad into my app by xml, I got the following errors:
25 Answers
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Rails: What's a good way to validate links (URLs)?
...lidURIError
false
end
Of course, there are tons of improvements you can apply to this method, including checking for a path or a scheme.
Last but not least, you can also package this code into a validator:
class HttpUrlValidator < ActiveModel::EachValidator
def self.compliant?(value)
ur...
How do I parse command line arguments in Java?
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Take a look at the more recent JCommander.
I created it. I’m happy to receive questions or feature requests.
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How to solve java.lang.NoClassDefFoundError?
... In my case, I had compiled a class, them moved it to a directory called app. I had to add a line with package app; and recompile before I could move it into the subdirectory app.
– taco
Sep 7 '14 at 18:07
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Restoring state of TextView after screen rotation?
In my app I have TextView and EditText . Both have data in it. When the screen orientation changes the data in the EditText remains, but TextView data is cleared.
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How does one capture a Mac's command key via JavaScript?
... the command key on MacOS/keyboards.
Unlike Shift/Alt/Ctrl, the Cmd (“Apple”) key is not considered a modifier key—instead, you should listen on keydown/keyup and record when a key is pressed and then depressed based on event.keyCode.
Unfortunately, these key codes are browser-dependent:
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In Angular, I need to search objects in an array
...migontech/gbW8Z/5/
Created a filter that you also can use in 'ng-repeat'
app.filter('getById', function() {
return function(input, id) {
var i=0, len=input.length;
for (; i<len; i++) {
if (+input[i].id == +id) {
return input[i];
}
}
return null;
}
});
U...
What is the purpose of Node.js module.exports and how do you use it?
...n...
You can use both exports and module.exports to import code into your application like this:
var mycode = require('./path/to/mycode');
The basic use case you'll see (e.g. in ExpressJS example code) is that you set properties on the exports object in a .js file that you then import using requi...
How to create border in UIButton?
I use custom button in my app named "addButton" and I want to border it with white color how can i get the white color border around my custom button?
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