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Which timestamp type should I choose in a PostgreSQL database?
...s fantastic and Option 3 is fine in the general case. It is, however, an incomplete view of time and timezones and can be supplemented:
Store the name of a user’s time zone as a user preference (e.g. America/Los_Angeles, not -0700).
Have user events/time data submitted local to their frame of re...
How to overlay images
...ason I like this is because the main image remains an image, it does not become a background image.
– Robin Barnes
Dec 31 '08 at 17:35
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App Inventor 2 字典 vs 列表：同样存数据，性能差了10倍？ - App应用开发 ...
...ttps://www.fun123.cn</a><br>- 社区讨论：<a href="https://bbs.tsingfun.com" target="_blank">https://bbs.tsingfun.com</a><br>
Shell equality operators (=, ==, -eq)
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It's the other way around: = and == are for string comparisons, -eq is for numeric ones. -eq is in the same family as -lt, -le, -gt, -ge, and -ne, if that helps you remember which is which.
== is a bash-ism, by the way. It's better to use the POSIX =. In bash the two are equ...
How to get a date in YYYY-MM-DD format from a TSQL datetime field?
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This post comes up in Google for converting to YYYYMMDD - so that one is: CONVERT(char(10), GetDate(),112)
– NealWalters
Jul 2 '14 at 14:26
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Eclipse count lines of code
...; Metrics.
You can adjust the Lines of Code metrics by ignoring blank and comment-only lines or exclude Javadoc if you want. To do this check the tab at Preferences -> Metrics -> LoC.
That's it. There is no special option to exclude curly braces {}.
The plugin offers an alternative metric t...
iTunes Connect: How to choose a good SKU?
...e.
Every time I have to enter the SKU I use the App identifier (e.g. de.mycompany.myappname) because this is already unique.
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Scala: List[Future] to Future[List] disregarding failed futures
... The list I'm given usually has around 10-20 futures in it, and it's not uncommon for one of those futures to fail (they are making external web service requests). Instead of having to retry all of them in the event that one of them fails, I'd like to be able to get at the ones that succeeded and re...
Difference Between Select and SelectMany
...To understand resultSelector more The below link helps blogs.interknowlogy.com/2008/10/10/…
– jamir
Jul 16 '19 at 11:52
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How to change colors of a Drawable in Android?
...'t do this in XML (except for on 5.0+). Tinting isn't even available in AppCompat, so we're stuck having to call setColorFilter every time we use the icons instead of having selectors with different color tints. Still, it's a much better solution than editing pngs directly and having extra static as...