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How to configure postgresql for the first time?
I have just installed postgresql and I specified password x during installation.
When I try to do createdb and specify any password I get the message:
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How to serialize an object into a string
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– Markus Schulte
Jul 18 '19 at 12:32
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How to calculate a logistic sigmoid function in Python?
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answered Aug 6 '14 at 15:32
Théo TThéo T
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Laravel Check If Related Model Exists
...hp 7.2+ you can't use count on the relation object, so there's no one-fits-all method for all relations. Use query method instead as @tremby provided below:
$model->relation()->exists()
generic solution working on all the relation types (pre php 7.2):
if (count($model->relation))
{
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How can I list all tags in my Git repository by the date they were created?
I need some way to list all tags in my system by the date they were created but am not sure if I can get that data via git-log. Ideas?
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How to choose the right bean scope?
...s as long as you're interacting with the same JSF view by postbacks which call action methods returning null/void without any navigation/redirect. A @FlowScoped bean lives as long as you're navigating through the specified collection of views registered in the flow configuration file. A @SessionScop...
Send a file via HTTP POST with C#
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answered Jul 15 '09 at 13:32
Marc Gravell♦Marc Gravell
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How to get the device's IMEI/ESN programmatically in android?
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answered Apr 28 '12 at 17:32
alchemistalchemist
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'App not Installed' Error on Android
...n creating a signed .apk and exporting it to my HTC Desire to test. It has all been fine.
61 Answers
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Getting all selected checkboxes in an array
... want to use jQuery
var array = []
var checkboxes = document.querySelectorAll('input[type=checkbox]:checked')
for (var i = 0; i < checkboxes.length; i++) {
array.push(checkboxes[i].value)
}
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