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What is the correct MIME type to use for an RSS feed?
Is one MIME type preferable to ensure compatibility with RSS readers and other scrapers?
7 Answers
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Replace values in list using Python [duplicate]
I have a list where I want to replace values with None where condition() returns True.
7 Answers
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How to use DISTINCT and ORDER BY in same SELECT statement?
...n). If there are different categories with the same CreationDate then only one of them will appear in the result! Since I was wondering if maybe I was wrong somehow, I also loaded the example database in your blog post to double-check: the DISTINCT ON query you gave there produced a total of 1000 re...
How can I refresh a page with jQuery?
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In case anyone's wondering what the difference between location.reload() and history.go(0) is: there is none. The relevant section of the HTML 5 spec at w3.org/TR/html5/browsers.html#dom-history-go explicitly dictates that they are equi...
CASCADE DELETE just once
... He has the warning on top. If you choose to ignore that, no one can help you. I think your "copyPaste" users are the real danger here.
– BluE
Sep 7 '18 at 11:26
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How to 'bulk update' with Django?
...ing it to do 10,000 rows at once is not advisable for the reasons you mentioned, but using it to update 50 rows at once is much more efficient than hitting the db with 50 separate update requests.
– nu everest
Aug 29 '16 at 17:03
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How can I keep Bootstrap popovers alive while being hovered?
...nstances within a single Availability Zone. Using placement groups enables applications to get the full-bisection bandwidth and low-latency network performance required for tightly coupled, node-to-node ...
Difference between View and table in sql
...a (real) table. Then you need to solve the problems somehow which you mentioned. Check the DB documentation how to do that.
– Aaron Digulla
Sep 4 '17 at 9:49
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Android notification is not showing
I need a program that will add a notification on Android. And when someone clicks on the notification, it should lead them to my second activity.
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Overlaying histograms with ggplot2 in R
...ill = utt)) + geom_histogram(alpha = 0.2)
is telling ggplot to construct one histogram using all the values in f0 and then color the bars of this single histogram according to the variable utt.
What you want instead is to create three separate histograms, with alpha blending so that they are visi...