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How to colorize diff on the command line?
...ies.
2 But not trailing tabs. Apparently tabs don't get their background set, at least in my xterm. It does make tab vs space changes stand out a bit though.
MaxJsonLength exception in ASP.NET MVC during JavaScriptSerializer
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I am setting a json string into a ViewBag.MyJsonString property but getting same error in my view at runtime on following javascript line: var myJsonObj = @Html.Raw(Json.Encode(ViewBag.MyJsonString));
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psql: FATAL: role “postgres” does not exist
...he same as on my Ubuntu system for the superuser postgres. So I think your setup simple uses user as the superuser. So you could try this command to login:
sudo -u user psql user
If user is really the DB superuser you can create another DB superuser and a private, empty database for him:
CREATE ...
Simple way to calculate median with MySQL
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This answer doesn't work at all for some data sets, e.g., the trivial data set with values 0.1, 0.1, 0.1, 2 -- it will work if all the values are distinct, but only works if the values
– Kem Mason
Jan 9 '19 at 19:41
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How to unescape HTML character entities in Java?
Basically I would like to decode a given Html document, and replace all special chars, such as " " -> " " , ">" -> ">" .
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What is the difference between g++ and gcc?
... gcc or g++ can be used for general C++ development with applicable option settings. However, the g++ default behavior is naturally aligned to a C++ development.
The Ubuntu 18.04 'gcc' man page added, and Ubuntu 20.04 continues to have, the following paragraph:
The usual way to run GCC is to run t...
How to make Git “forget” about a file that was tracked but is now in .gitignore?
...e will prevent untracked files from being added (without an add -f) to the set of files tracked by git, however git will continue to track any files that are already being tracked.
To stop tracking a file you need to remove it from the index. This can be achieved with this command.
git rm --cached...
SQL Switch/Case in 'where' clause
...e to correct it if you want to test it): declare var varchar(5) set var = '0' select 2 / var where var <> 0 or ISNUMERIC(var) = 1 . I want the condition to exit because var IS equal to 0, but it goes ahead to check if it is numeric, which it is, and therefore the statem...
Get the client's IP address in socket.io
... proxy server.
Example for nginx:
add this after your proxy_pass:
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Real-Port $remote_port;
This will make the headers available in the socket.io node server:
var ip = socket.handshake.headers["x-real-ip"];
var port = socket.handshake...
Loop through a date range with JavaScript
Given two Date() objects, where one is less than the other, how do I loop every day between the dates?
10 Answers
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