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How do I clone a Django model instance object and save it to the database?
...e.
More on UPDATE/INSERT here.
Official docs on copying model instances: https://docs.djangoproject.com/en/2.2/topics/db/queries/#copying-model-instances
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How to detect unused methods and #import in Objective-C
... been using some homegrown Ruby code, now extracted into a gem called fui: https://github.com/dblock/fui
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Concat scripts in order with Gulp
...ch has worked quite well for specifying order of in my case concatenation. https://github.com/gulpjs/gulp/blob/master/docs/recipes/using-multiple-sources-in-one-task.md
Example of how I used it is below
var gulp = require('gulp');
var concat = require('gulp-concat');
var handleErrors...
How to attribute a single commit to multiple developers?
...nal-dev-2@example.com>
Supported by GitHub and GitLab
Used by others: https://git.wiki.kernel.org/index.php/CommitMessageConventions
One problem with this approach is that you can't create a signed key for this group of devs, so you could essentially add anybody to this list even if they didn'...
Setting unique Constraint with fluent API?
..., you can use HasIndex() to add indexes for migration through fluent API.
https://github.com/aspnet/EntityFramework6/issues/274
Example
modelBuilder
.Entity<User>()
.HasIndex(u => u.Email)
.IsUnique();
On EF6.1 onwards, you can use IndexAnnotation() to add indexes for m...
Dynamically generating a QR code with PHP [closed]
...any thanks to @Toukakoukan for the link update.
To use this , basically:
https://chart.googleapis.com/chart?chs=300x300&cht=qr&chl=http%3A%2F%2Fwww.google.com%2F&choe=UTF-8
300x300 is the size of the QR image you want to generate,
the chl is the url-encoded string you want to change...
How to tell if browser/tab is active [duplicate]
...sers are supporting document.hidden
http://davidwalsh.name/page-visibility
https://developers.google.com/chrome/whitepapers/pagevisibility
Example pausing a video when window/tab is hidden https://web.archive.org/web/20170609212707/http://www.samdutton.com/pageVisibility/
...
Why is the .bss segment required?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How to get a microtime in Node.js?
...sers, time with microsecond precision is available as performance.now. See https://developer.mozilla.org/en-US/docs/Web/API/Performance/now for documentation.
I've made an implementation of this function for Node.js, based on process.hrtime, which is relatively difficult to use if your solely want ...
How to get a complete list of object's methods and attributes?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...