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Ignoring time zones altogether in Rails and PostgreSQL
...poch, 2000-01-01 00:00:00 UTC.
Postgres also has built-in knowledge of the commonly used UNIX time counting seconds from the UNIX epoch, 1970-01-01 00:00:00 UTC, and uses that in functions to_timestamp(double precision) or EXTRACT(EPOCH FROM timestamptz).
The source code:
* Timestamps, as well as t...
Flexbox: center horizontally and vertically
...ds a height to see the vertical alignment effect, otherwise, the container computes the minimum height needed to enclose the content, which is less than the view port height in this example.
Footnote:
The flex-flow, flex-direction, flex-wrap properties could have made this design easier to implemen...
Add missing dates to pandas dataframe
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Learning about LINQ [closed]
...Q
Entity framework performance
I've got a lot more I tagged on Delicious.com.
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std::vector versus std::array in C++
... stack, the array itself will be on the stack. Its size has to be known at compile time (it's passed as a template parameter), and it cannot grow or shrink.
It's more limited than std::vector, but it's often more efficient, especially for small sizes, because in practice it's mostly a lightweight w...
handle textview link click in my android app
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Coming at this almost a year later, there's a different manner in which I solved my particular problem. Since I wanted the link to be handled by my own app, there is a solution that is a bit simpler.
Besides the default inte...
Nullable vs. int? - Is there any difference?
...Nullable<int>, which itself is shorthand for Nullable<Int32>.
Compiled code will be exactly the same whichever one you choose to use.
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PUT vs. POST in REST
...source with PUT with the same object URL
With POST you can have 2 requests coming in at the same time making modifications to a URL, and they may update different parts of the object.
An example:
I wrote the following as part of another answer on SO regarding this:
POST:
Used to modify ...
How to set versionName in APK filename using gradle?
...code is simple too.
The examples below will create apk files named named MyCompany-MyAppName-1.4.8-debug.apk or MyCompany-MyAppName-1.4.8-release.apk depending on the build variant selected.
Note that this solution works on both APK and App Bundles (.aab files).
See Also: How to change the proguard...