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Using psql how do I list extensions installed in a database?
...org/docs/current/static/app-psql.html
Doing it in plain SQL it would be a select on pg_extension:
SELECT *
FROM pg_extension
http://www.postgresql.org/docs/current/static/catalog-pg-extension.html
share
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Set cookie and get cookie with JavaScript [duplicate]
...= c_name) {
return unescape(y);
}
}
}
function cssSelected() {
var cssSelected = $('#myList')[0].value;
if (cssSelected !== "select") {
setCookie("selectedCSS", cssSelected, 3);
}
}
$(document).ready(function() {
$('#myList')[0].value = getCookie("se...
Can I write into the console in a unit test? If yes, why doesn't the console window open?
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In V2017 (Community), go to "test explorer", select the test result item in the list, then click on the link "output" on the other window (test result window?). Since it will probably be truncated, use the "copy all" and past somewhere else.
– heri...
How do you auto format code in Visual Studio?
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To format a selection: Ctrl+K, Ctrl+F
To format a document: Ctrl+K, Ctrl+D
See the pre-defined keyboard shortcuts. (These two are Edit.FormatSelection and Edit.FormatDocument.)
Note for OS X
On OS X use the CMD ⌘ key, not Ctrl:
...
How to delete a workspace in Eclipse?
...Mac OS, once you have deleted the actual workspace directory the option to select and switch to that workspace will still be available unless you delete the entry from Preferences >> General >> Startup and Shutdown >> Workspaces.
...
Difference between jQuery parent(), parents() and closest() functions
I have been using jQuery for a while. I wanted to use the parent() selector. I also came up with the closest() selector. Could not find any difference between them. Is there any? If yes, what?
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With Mercurial, how can I “compress” a series of changesets into one before pushing?
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If you are using TortoiseHg, use can just select two revisions (use CTRL to select non-subsequent ones), right click and select "Compress History".
After that you'll get a new change list in new head starting from the first change you selected before, it will contai...
Is it true that one should not use NSLog() on production code?
...ions to control the defining (or lack of defining) the DEBUG_MODE.
If you select "Debug" active configuration, DEBUG_MODE will be defined, and the macro expands to the full NSLog definition.
Selecting the "Release" active configuration will not define DEBUG_MODE and your NSLogging is omitted from ...
Intelli J IDEA takes forever to update indices
...ks perfectly. Thanks for the solution friends.
Just:
Open IntelliJ IDEA
Select the File menu
Select the Invalidate Caches / Restart... menu.
Once selected you get a pop-up with a bunch of options.
Select Invalidate and Restart
and before doing that make sure you saved all your changes else it mig...
What's the false operator in C# good for?
...he operator false declared in T, and T.&(x, y) is an invocation of the selected operator &. In other words, x is first evaluated and operator false is invoked on the result to determine if x is definitely false. Then, if x is definitely false, the result of the operation is the value previou...