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How to store a list in a column of a database table
...g that road is the notion of the list as a bunch of things in sequence. At least nominally, databases treat fields as single values. But if that's all you want, then you should go for it. It's a value judgement you have to make for yourself.
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Effects of changing Django's SECRET_KEY
...EY on my local dev server and that doesn't log me out, so it seems that at least sessions(cache) work correctly after change. Could you please elaborate further on what you mean by data decode will break and maybe point out some code(in django or example project) that will break? EDIT: still using d...
Hosting a Maven repository on github
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Two suggestions that make it work (at least for me): Set current version of Github plugin (right now it would be 0.11). Also I would suggest everybody to use a OAUTH token instead of the password. You can generate it in 'Settings->Applications->Personal Acc...
HTML5: Slider with two inputs possible?
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WhatWG is at least discussing implementing it: html.spec.whatwg.org/multipage/…
– kunambi
Feb 26 '15 at 13:32
7
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Daylight saving time and time zone best practices [closed]
...e sure they handle time zone data correctly.
Test half-hour time zones, at least.
Reference:
The detailed timezone tag wiki page on Stack Overflow
Olson database, aka Tz_database
IETF draft procedures for maintaining the Olson database
Sources for Time Zone and DST
ISO format (ISO 8601)
Mapping ...
How to format numbers? [duplicate]
...n that it is — by quite a way — the slowest method out of them all (at least in Firefox and Chrome; Mac OSX).
Using lastIndexOf() we find the possibly existent decimal point, and from there everything else is pretty much the same. Save for the padding with extra 0s where needed. This code is li...
Rails 3 check if attribute changed
...ction is an array. By calling any? on the array, I get true if there is at least one intersection.
Also very useful, the changed_attributes method returns a hash of the attributes with their original values and the changes returns a hash of the attributes with their original and new values (in an a...
How do SO_REUSEADDR and SO_REUSEPORT differ?
... systems copied the BSD socket implementation at some point in time (or at least its interfaces) and then started evolving it on their own. Of course the BSD socket implementation was evolved as well at the same time and thus systems that copied it later got features that were lacking in systems tha...
Android - How To Override the “Back” button so it doesn't Finish() my Activity?
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I've come across at least a few situations where I wanted to simulate the standard Activity stack behavior without actually starting new Activities. In these cases, I think, it's appropriate to override the default onBackPressed() behavior. In...
Database Design for Revisions?
..., the author (Kenneth Downs), recommends maintaining a history table of at least seven columns:
Timestamp of the change,
User that made the change,
A token to identify the record that was changed (where the history is maintained separately from the current state),
Whether the change was an insert,...