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form_for with nested resources
...orm_for([@post, @comment]) do |f| %>
Be sure to explicitly define the array in the form_for, not just comma separated like you have above.
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Check if a Windows service exists and delete in PowerShell
... error if
# the service didn't exist. Trick Get-Service to return an array of
# Services, but only if the name exactly matches the $ServiceName.
# This way you can test if the array is emply.
if ( Get-Service "$ServiceName*" -Include $ServiceName ) {
$Return = $True
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Google Guava isNullOrEmpty for collections
...ant to use Guava's paradigm, consider if the source of this collection (or array) really ought to optionally return null. If not, consider marking it @NonNull and return empty collections instead of null. Or as a parameter to a function that is expecting no null-valued lists, consider using Precondi...
How to retrieve checkboxes values in jQuery
...it toggles the checkmark in the first one. 2) When I try to set this to an array so that I can access the information later, it crashes.
– Reverend Bubbles
Dec 12 '14 at 5:24
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What is the most ridiculous pessimization you've seen? [closed]
...Create columns with subfields to save space.
Denormalize into fields-as-an-array.
That's off the top of my head.
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Is there YAML syntax for sharing part of a list or map?
...h standard use of Anchors and Aliases in YAML. See also: How to merge YAML arrays?
– dreftymac
Apr 28 '17 at 10:20
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Determining if an Object is of primitive type
I have an Object[] array, and I am trying to find the ones that are primitives. I've tried to use Class.isPrimitive() , but it seems I'm doing something wrong:
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PHP String to Float
..._replace('#^([-]*[0-9\.,\' ]+?)((\.|,){1}([0-9-]{1,3}))*$#e', "str_replace(array('.', ',', \"'\", ' '), '', '\\1') . '.\\4'", $value));
}
This solution is not dependant on any locale settings. Thus for user input users can type float values in any way they like. This is really helpful e.g. when yo...
How Drupal works? [closed]
...lize Configuration
This phase populates Drupal’s internal configuration array and establishes the base URL
($base_url) of the site. The settings.php file is parsed via include_once(), and any variable or string overrides established there are applied. See the “Variable Overrides” and “Strin...
Find a private field with Reflection?
...l not return null if the attribute isn't found, it simply returns an empty array.
– amnesia
Jan 30 '17 at 17:28
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