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PostgreSQL error: Fatal: role “username” does not exist
...en done with operating as system user postgres.
Or execute the single command createuser as postgres with sudo, like demonstrated by drees in another answer.
The point is to use the operating system user matching the database role of the same name to be granted access via ident authentication. pos...
使用位置传感器 · App Inventor 2 中文网
...ncisco.
The LocationSensor component can determine the phone’s latitude and longitude as well as a street address. You can use it to share your location with others, record “breadcrumbs” on a journey or treasure hunt, or as a way to take roll in class (as long as the students have Android dev...
How do you diff a directory for only files of a specific type?
I have a question about the diff command
if I want a recursive directory diff but only for a specific file type, how to do that?
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How to get execution time in rails console?
I want compare time of execution Post.all and SELECT * FROM posts (or some other statements) How can i get execution time of Post.all ?
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What is a NullPointerException, and how do I fix it?
What are Null Pointer Exceptions ( java.lang.NullPointerException ) and what causes them?
12 Answers
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Convert Python dictionary to JSON array
...our script.
# -*- coding: UTF-8 -*-
This will fix some Unicode problems and make your life easier.
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How do you fade in/out a background color using jquery?
...as the highlight effect
https://api.jqueryui.com/highlight-effect/
Color and duration are variable
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Random alpha-numeric string in JavaScript? [duplicate]
What's the shortest way (within reason) to generate a random alpha-numeric (uppercase, lowercase, and numbers) string in JavaScript to use as a probably-unique identifier?
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Embedding DLLs in a compiled executable
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I highly recommend to use Costura.Fody - by far the best and easiest way to embed resources in your assembly. It's available as NuGet package.
Install-Package Costura.Fody
After adding it to the project, it will automatically embed all references that are copied to the output di...
How can I output leading zeros in Ruby?
... Heh heh, not the best answer, but I didn't know about rjust and I've been using ruby for years. Cheers!
– pauliephonic
Oct 11 '09 at 12:16
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