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Return value in a Bash function
...ferences (requires Bash 4.3+).
function example {
local -n VAR=$1
VAR=foo
}
example RESULT
echo $RESULT
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Difference between “git add -A” and “git add .”
...ew files that are on the current path. I.e. if you have a new directory ../foo, git add -A will stage it, git add . will not.
– Milo Wielondek
Jul 6 '15 at 12:44
2
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Workflow for statistical analysis and report writing
...rce("blah.R"), check if the required variable(s) exist first: if (!exists("foo")) { source("blah.R") }. That avoids re-running dependencies if they've already run.
– naught101
Apr 3 '13 at 2:16
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How to find index of list item in Swift?
...dex(where:):
let index = cells.index(where: { (item) -> Bool in
item.foo == 42 // test if this is the item you're looking for
})
Update for Swift 4.2:
With Swift 4.2, index is no longer used but is separated into firstIndex and lastIndex for better clarification. So depending on whether you...
Sending HTTP POST Request In Java
...createDefault();
HttpPost httppost = new HttpPost("http://www.a-domain.com/foo/");
// Request parameters and other properties.
List<NameValuePair> params = new ArrayList<NameValuePair>(2);
params.add(new BasicNameValuePair("param-1", "12345"));
params.add(new BasicNameValuePair("param-2...
Hidden Features of VB.NET?
...bject initialization is in there too!
Dim x as New MyClass With {.Prop1 = foo, .Prop2 = bar}
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answered Sep 19 '08 at 14:17
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How do you force Visual Studio to regenerate the .designer files for aspx/ascx files?
...e, then adding a brand new, benign control such as <asp:PlaceHolder ID="Foo" runat="server/> and then saving to trigger regeneration. Then even if you forget to remove it, nothing is affected.
– Jordan Rieger
Jul 14 '14 at 21:29
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Python non-greedy regexes
...es stop working and you need a parser instead. For instance, the string "(foo (bar)) baz" will cause you problems.
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Twig: in_array or similar possible within if statement?
...
Try this
{% if var in ['foo', 'bar', 'beer'] %}
...
{% endif %}
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How do I get a PHP class constructor to call its parent's parent's constructor?
...p();
}
public function GrandpaSetup(){
$this->prop1 = 'foo';
$this->prop2 = 'bar';
}
}
class Papa extends Grandpa
{
public function __construct()
{
// call Grandpa's constructor
parent::__construct();
$this->prop1 = 'foobar';
...