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TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi
...ransactionManagementError when trying to save a Django User model instance and in its post_save signal, I'm saving some models that have the user as the foreign key.
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What is the IntelliJ shortcut key to create a javadoc comment?
In Eclipse, I can press Alt + Shift + J and get a javadoc comment automatically generated with fields, returns, or whatever would be applicable for that specific javadoc comment. I'm assuming that IntelliJ IDEA has this feature. Can anyone tell me if there is a keyboard shortcut for this?
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apache redirect from non www to www
...ame www.example.com
# real server configuration
</VirtualHost>
And then you'll have another <VirtualHost> section with ServerName www.example.com for your real server configuration. Apache automatically preserves anything after the / when using the Redirect directive, which is a co...
Change x axes scale in matplotlib
... is it possible to add an offset? (e.g. instead of 0.0, 0.5, 1.0, 1.5, ... and x 10^b it will be 0, 5, 10, 15,... and x 10^{b-1})
– Eagle
Jul 20 '12 at 13:20
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Git: Remove committed file after push
...sibility to revert a committed file in Git? I've pushed a commit to GitHub and then I realized that there's a file which I didn't want to be pushed (I haven't finished the changes).
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enum.values() - is an order of returned enums deterministic
...d to return them in that order.
However you should avoid relying on that, and on the ordinal() value, since it can change after inserting new items, for example.
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How to modify a pull request on GitHub to change target branch to merge into?
...he base branch of a Pull Request finally allows for changing that branch.
(And this closes issue 18, which was 3 years old and had 1500+ comments)
After you’ve created a pull request, you can modify the base branch so that the changes in the pull request are compared against a different branch...
Why is DarkGray lighter than Gray?
... on the subject:
Perhaps most unusual of the color clashes between X11 and W3C is the
case of "Gray" and its variants. In HTML, "Gray" is specifically
reserved for the 128 triplet (50% gray). However, in X11, "gray" was
assigned to the 190 triplet (74.5%), which is close to W3C "Silver"
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Easier way to create circle div than using an image?
...lt;div class="circleBase type3"></div>
To make this work in IE8 and older, you must download and use CSS3 PIE. My demo above won't work in IE8, but that's only because jsFiddle doesn't host PIE.htc.
My demo looks like this:
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Sorting rows in a data table
...taView that you create from your original DataTable. Apply whatever sorts and/or filters you want on the DataView and then create a new DataTable from the DataView using the DataView.ToTable method:
DataView dv = ft.DefaultView;
dv.Sort = "occr desc";
DataTable sortedDT = dv.ToTable();
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