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Aggregate function in an SQL update query?
I'm trying to set the value in one table to the sum of the values in another table. Something along these lines:
6 Answers...
Why are ToLookup and GroupBy different?
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When that query object is enumerated then the analysis of the table is done on the database server and the grouped results are sent back on demand a few at a time.
Logically they are the same thing but the performance implications of each are completely different. Calling ToLookup means I want a...
What does “hashable” mean in Python?
...have good working explanation of hashable objects in python, but I believe one needs to understand the term Hashing first.
Hashing is a concept in computer science which is used to create high performance, pseudo random access data structures where large amount of data is to be stored and accessed ...
Detect if an input has text in it using CSS — on a page I am visiting and do not control?
...ting the page -- which is something the OP can't do with Stylish and that none of the other answers show at all in a browsing context. The user has no control over the page he is visiting.
– Brock Adams
May 20 '16 at 9:50
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Difference between double and single curly brace in angular JS?
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'red' : vegetable == 'tomato'}">..
no curly braces:
As already mentioned just go braceless when inside expressions. Quite simple:
<div ng-if="zoo.enclosure.inmatesCount == 0">
Alarm! All the monkeys have escaped!
</div>
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How do you log server errors on django sites
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Django Sentry is a good way to go, as already mentioned, but there is a bit of work involved in setting it up properly (as a separate website). If you just want to log everything to a simple text file here's the logging configuration to put in your settings.py
LOGGING = {
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Is it possible to make an ASP.NET MVC route based on a subdomain?
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Anyone having issues where the route data doesn't appear on the web API controller and inspecting the Request.GetRouteData inside the controller is showing no values?
– Alan Macdonald
Apr 7...
Does Notepad++ show all hidden characters?
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In one of my file which i am trying to identify the special characters in the hidden empty space, Notepad++ is showing as NUL. What would be that actual symbol?
– goofyui
Oct 25 '18 at 15:5...
MySQL - ORDER BY values within IN()
...k would have a value of 1 and all the rest would be 0, so I would need the one that passed the check, to come up first.
– The Unknown Dev
Sep 16 at 21:29
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Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4)
... I have to have mobile data turned on PRIOR to sending an MMS OR receiving one. If I receive an MMS with mobile data turned off, I will get the notification of a new message and I will receive the message with a download button. But if I do not have mobile data on prior, the incoming MMS attachment ...