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How to count items in JSON object using command line?
...uppose it was in a property called records, like {"records":[...]}.
$ curl https://my-source-of-json.com/list | jq -r '.records' | jq length
2
$
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Can I install the “app store” in an IOS simulator?
...From Xcode 8.2,drag and drop the build to simulator for the installation.
https://stackoverflow.com/a/41671233/1522584
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Refused to display in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'
..."v/" so a full URL would become: <iframe width='1080' height='760' src="https://www.youtube.com/embed/dQw4w9WgXcQ" frameborder="0" allowfullscreen></iframe>
– backwardm
Aug 5 '15 at 20:28
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Run task only if host does not belong to a group
... not in group_names"
group_names is a magic variable as documented here: https://docs.ansible.com/ansible/latest/user_guide/playbooks_variables.html#accessing-information-about-other-hosts-with-magic-variables :
group_names is a list (array) of all the groups the current host is in.
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TargetedPatchingOptOut: “Performance critical to inline across NGen image boundaries”?
... don't need it in your own. You can find more information about that here: https://stackoverflow.com/a/14982340/631802
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How to compare two tags with git?
...
If source code is on Github, you can use their comparing tool: https://help.github.com/articles/comparing-commits-across-time/
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follo...
Get element at specified position - JavaScript
...ompoint
http://msdn.microsoft.com/en-us/library/ms536417%28VS.85%29.aspx
https://developer.mozilla.org/en/DOM/document.elementFromPoint
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How do you pass arguments to define_method?
...eference to prove this point doh! )
update 2018 August:
Summary article: https://blog.eq8.eu/til/metaprogramming-ruby-examples.html
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Selecting multiple classes with jQuery
...therClass').removeClass('theclass');
According to jQuery documentation:
https://api.jquery.com/multiple-selector/
When can select multiple classes in this way:
jQuery(“selector1, selector2, selectorN”) // double Commas. // IS valid.
jQuery('selector1, selector2, selectorN') // single Commas...
Submitting HTML form using Jquery AJAX
...l(function() {
$('#result').text('failed');
});
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<form id="formoid" action="studentFormInsert.php" title="" method="post">
<div>
<label class="title">First Name<...