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Getting the last argument passed to a shell script
$1 is the first argument.
$@ is all of them.
27 Answers
27
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shortcut for creating a Map from a List in groovy?
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Check out "inject". Real functional programming wonks call it "fold".
columns.inject([:]) { memo, entry ->
memo[entry.name] = entry.val
return memo
}
And, while you're at it, you probably want to define methods as Categories instead of right on the metaClass. That ...
Using an SSH keyfile with Fabric
...or some reason. I wrote a blog post about it (with a matching gist).
Basically, the usage goes something like this:
from fabric.api import *
env.hosts = ['host.name.com']
env.user = 'user'
env.key_filename = '/path/to/keyfile.pem'
def local_uname():
local('uname -a')
def remote_uname():
...
Application Loader: “Cannot proceed with delivery: an existing transporter instance is currently upl
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Basically, you need to clear out the transport tokens. This can happen if you were to close out of Xcode while in the middle of submitting an app to iTunes Connect.
The token files now appear in the
Library/Caches/com.apple.amp.i...
Can a foreign key be NULL and/or duplicate?
...at field must exist first in a different table (the parent table). That is all an FK is by definition. Null by definition is not a value. Null means that we do not yet know what the value is.
Let me give you a real life example. Suppose you have a database that stores sales proposals. Suppose furth...
Object.getOwnPropertyNames vs Object.keys
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There is a little difference. Object.getOwnPropertyNames(a) returns all own properties of the object a. Object.keys(a) returns all enumerable own properties. It means that if you define your object properties without making some of them enumerable: false these two methods will give you the sa...
how to make a whole row in a table clickable as a link?
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Author's note I:
Please look at other answers below, especially ones that do not use jquery.
Author's note II:
Preserved for posterity but surely the wrong approach in 2020. (Was non idiomatic even back in 2017)
Original Answer
You are using Bootstrap which means you are using jQuery...
CSS Background Opacity [duplicate]
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It's not really correct to say that "Children inherit opacity". They don't. It's just that if a child is contained in a parent with opacity, the child will have opacity: 1, but the parent applies it's opacity to itself including all it'...
Resuming git-svn clone
...t and slept on me. Is there a way to resume the operation without redoing all of the initial work?
4 Answers
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How to remove a file from version control without deleting it?
...ory. In the event you wish to remove files from the repo, BUT keep them locally on your machine then you'd use the flag above.
– Greg Hilston
Feb 22 '16 at 13:31
6
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