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What is Node.js? [closed]
...vent loops with first class function objects and closures. People already know how to use it this way having used it in the browser to respond to user initiated events.
A lot of people already know JavaScript, even people who do not claim to be programmers. It is arguably the most popular programmin...
Cleaner way to update nested structures
...ess,
set = (p: Person, addr: Address) => p.copy(address = addr))
Now, compose them to get a lens that changes zipcode in a person:
val personZipCodeLens = personAddressLens andThen addressZipCodeLens
Finally, use that lens to change raj:
val updatedRaj = personZipCodeLens.set(raj, pers...
PostgreSQL: How to pass parameters from command line?
...
Just note that now the foo is busy and another PREPARE should have another name while current session isn't closed. If you play with PREPARE into psql it's hard to invent each time a new name and DEALLOCATE can help with it =)
...
How do you specify that a class property is an integer?
... everything, including int - but once you are dealing with something of a known type, you'll get sensible intelliSense.
Examples
var myInt: number;
var myString: string;
myInt. // toExponential, toFixed, toPrecision, toString
myString. // charAt, charCodeAt, concat, indexOf, lastIndexOf, length a...
How to sign an android apk file
... Application, and click
Next.
The Export Android Application wizard now starts, which will guide
you through the process of signing
your application, including steps for
selecting the private key with which
to sign the .apk (or creating a new
keystore and private key).
Complete th...
Get button click inside UITableViewCell
...ay to go.
As seen with other answers using views might get outdated. Who knows tomorrow there might be another wrapper and may need to use cell superview]superview]superview]superview]. And if you use tags you would end up with n number of if else conditions to identify the cell. To avoid all of th...
ValueError: setting an array element with a sequence
...itrary Python objects:
numpy.array([1.2, "abc"], dtype=object)
Without knowing what your code shall accomplish, I can't judge if this is what you want.
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Uninstall / remove a Homebrew package including all its dependencies
...
EDIT:
It looks like the issue is now solved using an external command called brew rmdeps or brew rmtree.
To install and use, issue the following commands:
$ brew tap beeftornado/rmtree
$ brew rmtree <package>
See the above link for more information...
addEventListener vs onclick
...n that perspective, binding events from javascript would be best practice. Nowadays, I don't think many people worry too much about progressive enhancement, especially not considering the prevalence of stuff like Angular. There's still some separation of concerns arguments about inline events (not u...
Creating a textarea with auto-resize
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It does! Made a jsfiddle for ya: jsfiddle.net/CbqFv It now works in Chrome, Firefox, and IE8 - although it is a little glitchy in IE8. As you increase or decrease number of lines it freaks out a little. As you might have seen in the autoresize plugin for jQuery, they work around ...