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Why do people hate SQL cursors so much? [closed]
...ia going on where people are going to great lengths to avoid having to use one.
14 Answers
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How to empty/destroy a session in rails?
... do I delete/destroy/reset/empty/clear a user's session in Rails? Not just one value but the whole thing..
5 Answers
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How to avoid isset() and empty()
...tell the difference between "variables that work just fine undefined" and honestly wrong code that may lead to serious errors? This is also the reason why you always, always, develop with error reporting turned to 11 and keep plugging away at your code until not a single NOTICE is issued. Turning er...
Is Unit Testing worth the effort? [closed]
...ent (TDD) have so many hidden and personal benefits as well as the obvious ones that you just can't really explain to somebody until they're doing it themselves.
But, ignoring that, here's my attempt!
Unit Tests allows you to make big changes to code quickly. You know it works now because you've...
Java equivalent to #region in C#
I want to use regions for code folding in Eclipse ; how can that be done in Java?
21 Answers
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How do I push amended commit to the remote Git repository?
...e the author (gitster) of this answer seems to not exist anymore, could anyone help to clarify the item number 1: find the old commit. If you don't have a backup, where would you find it? Amend and force push wouldn't have it destroyed? Maybe he is referring to get it from a friend/collaborator that...
vim deleting backward tricks
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Can't believe how many times I've done this manually. This is exactly what I was looking for, THANKS!
– tobiasandersen
Mar 10 '17 at 12:11
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How to iterate through two lists in parallel?
...n the shorter iterator(s) are exhausted, izip_longest yields a tuple with None in the position corresponding to that iterator. You can also set a different fillvalue besides None if you wish. See here for the full story.
Note also that zip and its zip-like brethen can accept an arbitrary number o...
In Firebase, is there a way to get the number of children of a node without loading all the node dat
...o count children without loading data, but we do plan to add it.
For now, one solution would be to maintain a counter of the number of children and update it every time you add a new child. You could use a transaction to count items, like in this code tracking upvodes:
var upvotesRef = new Firebas...
Efficiently updating database using SQLAlchemy ORM
... be used together with the SQL layer, not hide it. But you do have to keep one or two things in mind when using the ORM and plain SQL in the same transaction. Basically, from one side, ORM data modifications will only hit the database when you flush the changes from your session. From the other side...