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Running multiple commands with xargs
... 'command1 {}; command2 {}; ...; '
Watch the intro videos to learn more: https://www.youtube.com/playlist?list=PL284C9FF2488BC6D1
For security reasons it is recommended you use your package manager to
install. But if you cannot do that then you can use this 10 seconds
installation.
The 10 second...
MongoDB and “joins” [duplicate]
...o the aggregation pipeline is essentially identical to a left outer join:
https://docs.mongodb.org/master/reference/operator/aggregation/lookup/#pipe._S_lookup
From the docs:
{
$lookup:
{
from: <collection to join>,
localField: <field from the input documents>,
...
Rails 3: Get Random Record
...orms better on large tables and allows you to chain relations and scopes:
https://github.com/spilliton/randumb
(edit): The default behavior of my gem basically uses the same approach as above now, but you have the option to use the old way if you want :)
...
How to capture no file for fs.readFileSync()?
...rocess.on('uncaughtException'), such errors can be intercepted.
reference:
https://nodejs.org/api/errors.html
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Git: can I suppress listing of 'modified content'/dirty submodule entries in status, diff, etc?
...` [submodule "smstack/ansible/hosts"] path = smstack/ansible/hosts url = https://... branch = master ignore = dirty ``` ```
– Marc Abramowitz
Jan 28 '16 at 23:13
...
Can IntelliJ IDEA encapsulate all of the functionality of WebStorm and PHPStorm through plugins? [cl
...ins. The only thing missing is the simplified project setup.
Taken from : https://confluence.jetbrains.com/display/WI/WebStorm+FAQ#WebStormFAQ-IntelliJIDEAvsWebStormfeatures
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Catch multiple exceptions in one line (except block)
... I encounter I expect the full stack trace from.
This is documented here: https://docs.python.org/tutorial/errors.html
You can assign the exception to a variable, (e is common, but you might prefer a more verbose variable if you have long exception handling or your IDE only highlights selections l...
Bypass popup blocker on window.open when JQuery event.preventDefault() is set
...e you
// know what the full URL is!
googleWindow.location.replace(`https://google.com?q=${response}`);
});
};
function fakeAjax(callback) {
setTimeout(() => {
callback('example');
}, 1000);
}
Modern browsers will open the window with a blank page (often called about:blank), a...
What is a columnar database?
...peration will be expensive compared to row oriented databases.
For more: https://en.wikipedia.org/wiki/Column-oriented_DBMS
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Javascript foreach loop on associative array object
...Object.entries(), it can be used as an alternative to using Object.keys() (https://stackoverflow.com/a/18804596/225291).
const h = {
a: 1,
b: 2
};
Object.entries(h).forEach(([key, value]) => console.log(value));
// logs 1, 2
in this example, forEach uses Destructuring assi...