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postgres: upgrade a user to be a superuser?
...
SELECT rolname, rolsuper FROM pg_roles; to @masterweily
– caulfield
May 30 '13 at 11:44
6
...
Find and replace strings in vim on multiple lines
...de (Ctrl+V)
VISUAL LINE mode (Shift+V, works best in your case)
Once you selected the lines to replace, type your command:
:s/<search_string>/<replace_string>/g
You'll note that the range '<,'> will be inserted automatically for you:
:'<,'>s/<search_string>/<re...
req.body empty on posts
...
In Postman of the 3 options available for content type select "X-www-form-urlencoded" and it should work.
Also to get rid of error message replace:
app.use(bodyParser.urlencoded())
With:
app.use(bodyParser.urlencoded({
extended: true
}));
See https://github.com/expressjs/body...
How to implode array with key and value without foreach in PHP
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I was using this method to build select options and populate the selected option, and since both arrays must be the same size you can do something like this for the second array. array_fill(0, $input, 'selected-value-you want-to-check-against'); This will ge...
Show history of a file? [duplicate]
... doesn't work for me - I just get a blank screen with the text 'No commits selected'.
– Tola Odejayi
Jul 8 '16 at 14:12
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Web Application Problems (web.config errors) HTTP 500.19 with IIS7.5 and ASP.NET v2
...ou can use the Microsoft Web Platform Installer to install it. Execute it, select Products, in the left menu select Server and find URL Rewrite in the list and install it.
Or you can download it here.
share
|
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Query a parameter (postgresql.conf setting) like “max_connections”
... SHOW, such as minimum
and maximum values.
For your original request:
SELECT *
FROM pg_settings
WHERE name = 'max_connections';
Finally, there is current_setting(), which can be nested in DML statements:
SELECT current_setting('max_connections');
Related:
How to test my ad-hoc SQL wit...
Error message 'Unable to load one or more of the requested types. Retrieve the LoaderExceptions prop
...an also happen if your referenced DLL is "blocked". Right click on it, and select "unblock"
– Ben
Jun 10 '10 at 10:05
4
...
ng-repeat :filter by single field
...
Be careful with angular filter. If you want select specific value in field, you can't use filter.
Example:
javascript
app.controller('FooCtrl', function($scope) {
$scope.products = [
{ id: 1, name: 'test', color: 'lightblue' },
{ id: 2, name: 'bob',...
Node.js Best Practice Exception Handling
...any different sources on this topic including code example and quotes from selected blog posts. The complete list of best practices can be found here
Best practices of Node.JS error handling
Number1: Use promises for async error handling
TL;DR: Handling async errors in callback style is proba...