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Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
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http://wiki.postgresql.org/wiki/Transactional_DDL_in_PostgreSQL:_A_Competitive_Analysis provid...
Removing index column in pandas when reading a csv
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To get a sense for why the index is there and how it is used, see e.g. 10 minutes to Pandas.
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How do I represent a time only value in .NET?
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As others have said, you can use a DateTime and ignore the date, or use a TimeSpan. Personally...
ASP.NET MVC JsonResult Date Format
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Just to expand on casperOne's answer.
The JSON spec does not account for Date values. MS had ...
Hex representation of a color with alpha channel?
...255, 0, 0, 0.5) would be 50% transparent red. RGB channels are 0-255 or 0%-100%, alpha is 0-1.
In CSS 4*, you can specify the alpha channel using the 7th and 8th characters of an 8 digit hex colour, or 4th character of a 4 digit hex colour (see CSS Level 4 spec*)
As of May 2019, >80% of users c...
Is optimisation level -O3 dangerous in g++?
...ated. Under certain circumstances (e.g. on a cpu with exceptionally small L1 instruction cache) this can cause a slowdown due to all the code of e.g. some inner loop now not fitting anymore into L1I. Generally gcc tries quite hard to not to generate so much code, but since it usually optimizes the g...
Is it possible to run JavaFX applications on iOS, Android or Windows Phone 8?
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Background
Invariant's answer is a good resource for how everything was started and what was th...
Github Windows 'Failed to sync this branch'
I am using Github Windows 1.0.38.1 and when I click the 'Sync' button after committing, I get the error
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How do you discover model attributes in Rails?
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edited Sep 2 '13 at 8:14
Ian Vaughan
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What is the relationship between the docker host OS and the container base image OS?
...ocker that I can get my hands on I see that I can install Docker on Ubuntu 12.04 (for example) and then I can install a Fedora container or a different version of ubuntu? (there is an example where the user installed busybox in the container.)
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