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How to go back (ctrl+z) in vi/vim
In normal text editors [with all due respect to Vim] there is a shortcut Ctrl + Z when you have done something nasty and want to return to the previous version of the text. Like BACK button in Word. I wonder how can you achieve this behaviour in Vim.
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Node.js + Express: Routes vs controller
...s/paths (ex. /user/:id) and connect them to Get, Post, Put/Update, Delete, etc. and then in the routes folder:
const subController = require('./../controllers/subController');
Router.use('/subs/:id);
Router
.route('subs/:id');
.get(
subController.getSub
.patch(
subController.updateSub
);
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Docker can't connect to docker daemon
...g SSH command: Something went wrong running an SSH command!
command : cat /etc/os-release
err : exit status 255
output :
just re-run the three commands another time, and it should work the second time.
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How to install a plugin in Jenkins manually
Installing a plugin from the Update center results in:
12 Answers
12
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Does functional programming replace GoF design patterns?
...g include functions as
first-class values, currying,
immutable values, etc. It doesn't seem
obvious to me that OO design patterns
are approximating any of those
features.
What is the command pattern, if not an approximation of first-class functions? :)
In an FP language, you'd simply pas...
How do I give text or an image a transparent background using CSS?
...if you want to do something fancier (e.g. animation, multiple backgrounds, etc.), or if you don't want to rely on CSS3, you can try the “pane technique”:
.pane, .pane > .back, .pane > .cont { display: block; }
.pane {
position: relative;
}
.pane > .back {
position: absolute;
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How can you use optional parameters in C#?
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Good on you for providing up-to-date information. Ideally the original answers would be updated with current information such as C# 4.0. I believe that is what the SO guys originally had in mind, a Wiki mentality, but everyone is a bit too afraid to edit someone else's answer.
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Symbolic link to a hook in git
...symlink.sh). All the actual git hooks are named 'pre-commit', 'pre-push', etc. so they will be symlinked.
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How do I make the return type of a method generic?
... old approach of separate methods (ConfigSettingString, ConfigSettingBool, etc.) has the advantage of method bodies that will be shorter, clearer, and better focused.
– phoog
Mar 21 '12 at 16:27
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Should I commit or rollback a read transaction?
...n exactly one row as expected
a stored procedure raises an exception
data fetched is found to be inconsistent
user aborts the transaction because it's taking too long
deadlock or timeout
If COMMIT and ROLLBACK are used properly for a read-only transaction, it will continue to work as expected if D...