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psql: FATAL: role “postgres” does not exist
...low.
Note that the error message does NOT talk about a missing database, it talks about a missing role. Later in the login process it might also stumble over the missing database.
But the first step is to check the missing role: What is the output within psql of the command \du ? On my Ubuntu sys...
Force an Android activity to always use landscape mode
...G1 . But for some reason, that application is always in landscape mode despite my G1 is in portrait mode. Since the Android VNC viewer is open source, I would like know how is it possible hard code an activity to be 'landscape'. I would like to change it to respect the phone orientation.
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Is it possible to apply CSS to half of a character?
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Now on GitHub as a Plugin!
Feel free to fork and improve.
Demo | Download Zip | Half-Style.com (Redirects to GitHub)
Pure CSS for a Single Character
JavaScript used for automation across text or multiple characters
Preserves T...
How do I check if a string contains another string in Swift?
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You can do exactly the same call with Swift:
Swift 4 & Swift 5
In Swift 4 String is a collection of Character values, it wasn't like this in Swift 2 and 3, so you can use this more concise code1:
let string = "hello Swift"
if string.contains("Swift") {...
Practical uses of git reset --soft?
I have been working with git for just over a month. Indeed I have used reset for the first time only yesterday, but the soft reset still doesn't make much sense to me.
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C#/Linq: Apply a mapping function to each element in an IEnumerable?
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Ah! I knew there had to be a way. A bit of the old "Forest/Trees Visual Occlusion Problem", I guess :)
– Andreas Baus
Aug 25 '11 at 9:00
2
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How can I override inline styles with external CSS?
...y using !important keyword beside the CSS rule. Following is an example of it.
div {
color: blue !important;
/* Adding !important will give this rule more precedence over inline style */
}
<div style="font-size: 18px; color: red;">
Hello, World. How can I chang...
Converting a generic list to a CSV string
...of integer values (List) and would like to generate a string of comma delimited values. That is all items in the list output to a single comma delimted list.
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Static and Sealed class differences
...--+------------------+---------------------+
| Class Type | | Can inherit from others | Can be inherited | Can be instantiated |
|--------------|---|-------------------------+------------------+---------------------+
| normal | : | YES | YES | YES ...
Storing DateTime (UTC) vs. storing DateTimeOffset
I usually have an "interceptor" that right before reading/writing from/to the database does DateTime conversion (from UTC to local time, and from local time to UTC), so I can use DateTime.Now (derivations and comparisions) throughout the system without worrying about time zones.
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