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How do you create a read-only user in PostgreSQL?
...grant USAGE on namespaces (schemas) and SELECT on tables and views individually like so:
GRANT CONNECT ON DATABASE mydb TO xxx;
-- This assumes you're actually connected to mydb..
GRANT USAGE ON SCHEMA public TO xxx;
GRANT SELECT ON mytable TO xxx;
Multiple tables/views (PostgreSQL 9.0+)
In the ...
How to detect my browser version and operating system using JavaScript?
...g OS:
// This script sets OSName variable as follows:
// "Windows" for all versions of Windows
// "MacOS" for all versions of Macintosh OS
// "Linux" for all versions of Linux
// "UNIX" for all other UNIX flavors
// "Unknown OS" indicates failure to detect the OS
var OSName="Un...
Java Interfaces/Implementation naming convention [duplicate]
...tation tautology that adds nothing but more stuff to type to your code.
All modern Java IDE's mark Interfaces and Implementations and what not without this silly notation. Don't call it TruckClass that is tautology just as bad as the IInterface tautology.
If it is an implementation it is a cla...
View list of all JavaScript variables in Google Chrome Console
In Firebug, the DOM tab shows a list of all your public variables and objects. In Chrome's console you have to type the name of the public variable or object you want to explore.
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Force LF eol in git repo and working copy
I have a git repository hosted on github. Many of the files were initially developed on Windows, and I wasn't too careful about line endings. When I performed the initial commit, I also didn't have any git configuration in place to enforce correct line endings. The upshot is that I have a number of ...
Safest way to convert float to integer in python?
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All integers that can be represented by floating point numbers have an exact representation. So you can safely use int on the result. Inexact representations occur only if you are trying to represent a rational number with a ...
How to get all files under a specific directory in MATLAB?
I need to get all those files under D:\dic and loop over them to further process individually.
8 Answers
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Rails how to run rake task
... a single task, create the following new task in your namespace:
task :runall => [:iqmedier, :euroads, :mikkelsen, :orville] do
# This will run after all those tasks have run
end
share
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impr...
Emacs: print key binding for a command or list all key bindings
...a command.
You are correct, C-h b (or M-x describe-bindings) will show you all bindings. C-h m (M-x describe-mode) is also handy to list bindings by mode.
You might also try C-h k (M-x describe-key) to show what command is bound to a key. For instance, on my machine save-buffers-kill-emacs isn't b...
Replace all spaces in a string with '+' [duplicate]
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@JitendraPancholi that replaces all whitespace, not just the space character. The other regex answer here is fine.
– Dagg Nabbit
Jul 16 '14 at 10:23
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