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Why is using the rails default_scope often recommend against?
...expect. Now lets try:
2.1.1 :004 > Post.new
=> #<Post id: nil, title: nil, published: true, created_at: nil, updated_at: nil>
And there we have the first big problem with default scope:
=> default_scope will affect your model initialization
In a newly created instance of such...
What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
...othing, meaning that you can't redirect the output, e.g., to a file.
---- script a.ps1 ----
write-host "hello"
Now run in PowerShell:
PS> .\a.ps1 > someFile.txt
hello
PS> type someFile.txt
PS>
As seen, you can't redirect them into a file. This maybe surprising for someone who are n...
Create request with POST, which response codes 200 or 201 and content
...version="1.0"?>
<entry xmlns="http://www.w3.org/2005/Atom">
<title>Atom-Powered Robots Run Amok</title>
<id>urn:uuid:1225c695-cfb8-4ebb-aaaa-80da344efa6a</id>
<updated>2003-12-13T18:30:02Z</updated>
<author><name>John Doe</name>&...
No module named setuptools
...y installed pip setuptools
Cleaning up...
Sample usage:
>c:\Python33\Scripts\pip.exe install pymysql
Downloading/unpacking pymysql
Installing collected packages: pymysql
Successfully installed pymysql
Cleaning up...
In your case it would be this (it appears that pip caches independent of Pyt...
Get all attributes of an element using jQuery
...
A debugging script (jquery solution based on the answer above by hashchange)
function getAttributes ( $node ) {
$.each( $node[0].attributes, function ( index, attribute ) {
console.log(attribute.name+':'+attribute.value);
...
Can git operate in “silent mode”?
...ks, though. And then you can just do "quiet_git push" etc. later on in the script.
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What is a simple/minimal browserconfig.xml for a web site
... mins.
It will generate a full browserconfig.xml file, and supply all the titled images in a single zip file.
Edit 1/8/2015: I just found another option: http://realfavicongenerator.net/
The benefit of this website it is generators your browserconfig.xml AND all your apple-touch-* icons, favicon ...
Change the name of the :id parameter in Routing resources for Rails
..._name" do
namespace :sites do
scope "/:name" do
post "/:title" => "articles#create"
...
end
end
end
end
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When should I use std::thread::detach?
...
This answer is aimed at answering question in the title, rather than explaining the difference between join and detach. So when should std::thread::detach should be used?
In properly maintained C++ code std::thread::detach should not be used at all. Programmer must ensure t...
In jQuery, how do I get the value of a radio button when they all have the same name?
...const val = $('input[name=q12_3]:checked').val();
alert(val);
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<table>
<tr>
<td>Sales Promotion</td>
<td><input type="radio" name="q12_3" val...