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Finding differences between elements of a list
... how does one find differences between every ( i )-th elements and its ( i+1 )-th?
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Android: How to enable/disable option menu item on button click?
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12 Answers
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How do I create a class instance from a string name in ruby?
...const_get c}
=> Foo::Bar
> clazz.new
=> #<Foo::Bar:0x0000010110a4f8>
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Run task only if host does not belong to a group
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201
Here's another way to do this:
- name: my command
command: echo stuff
when: "'groupname' no...
XML Serialization - Disable rendering root element of array
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185
To disable rendering of root element of collection, you must replace the attribute [XmlArrayIt...
Multi-line commands in GHCi
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187
Most of the time, you can rely on type inference to work out a signature for you. In your exam...
Android Closing Activity Programmatically
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175
What about the Activity.finish() method (quoting) :
Call this when your activity is done
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How can I find my Apple Developer Team id and Team Agent Apple ID?
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edited Jul 5 '17 at 8:02
Luten
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Cannot pass null argument when using type hinting
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PHP 7.1 or newer (released 2nd December 2016)
You can explicitly declare a variable to be null with this syntax
function foo(?Type $t) {
}
this will result in
$this->foo(new Type()); // ok
$this->foo(null); // ok
$this-&...
How to reload apache configuration for a site without restarting apache
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187
should be possible using the command
sudo /etc/init.d/apache2 reload
hope that helps
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