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Error: The 'brew link' step did not complete successfully
...ed to me when I missed the homebrew package's message about removing the standalone version first.
Assuming, like me, you've already broken node/npm by attempting the upgrade before knowing to npm uninstall npm -g first, you can rm -rf /usr/local/lib/node_modules/npm and then brew link node. This ...
How do I 'git diff' on a certain directory?
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Provide a path (myfolder in this case) and just run:
git diff myfolder/
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cleanest way to skip a foreach if array is empty [duplicate]
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There are a million ways to do this.
The first one would be to go ahead and run the array through foreach anyway, assuming you do have an array.
In other cases this is what you might need:
foreach ((array) $items as $item) {
print $item;
}
Note: to all the people complaining about typecas...
Converting pixels to dp
I have created my application with the height and width given in pixels for a Pantech device whose resolution is 480x800 .
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Declaring functions in JavaScript [duplicate]
...cally this syntax may mean the same for declaring functions both ways
(I stand incorrect on my last statement. I read up on a diff post why they are technically diff and I'll add in the end, why)
; but the way they play a role in evolving patterns is massive. I would highly recommend "Javascript: Th...
How do I update a GitHub forked repository?
I recently forked a project and applied several fixes. I then created a pull request which was then accepted.
21 Answers
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Calling a Method From a String With the Method's Name in Ruby
... module function
FileUtils.send('pwd')
# or
FileUtils.public_send(:pwd)
and a locally defined method
def load()
puts "load() function was executed."
end
send('load')
# or
public_send('load')
Documentation:
Object#public_send
Object#send
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How can I add an empty directory to a Git repository?
...esign of the git index
(staging area) only permits files to
be listed, and nobody competent enough
to make the change to allow empty
directories has cared enough about
this situation to remedy it.
Directories are added automatically
when adding files inside them. That
is, director...
Node.js - use of module.exports as a constructor
...Module.exports, theRequireFunction);
In the example above module.exports and exports are the same object. The cool part is that you don't see any of that in your CommonJS modules as the whole system takes care of that for you all you need to know is there is a module object with an exports propert...
How can I determine the URL that a local Git repository was originally cloned from?
...ew days ago. I've since discovered that there are several forks on GitHub, and I neglected to note which one I took originally. How can I determine which of those forks I pulled?
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