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Resolving javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path
... the expression and I found, this issue occurs when a server changes their HTTPS SSL certificate, and our older version of java doesn’t recognize the root certificate authority (CA).
• If you can access the HTTPS URL in your browser then it is possible to update Java to recognize the root CA.
...
How do you delete an ActiveRecord object?
...on condition
threshold_age = 20
User.where(age: threshold_age).delete_all
https://www.rubydoc.info/docs/rails/ActiveRecord%2FNullRelation:delete_all
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HTML/Javascript change div content
...s and firefox (3x faster than chrome!)
You can test it in your machine: https://jsperf.com/js-jquery-html-content-change
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How can I get a Bootstrap column to span multiple rows?
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For Bootstrap 3:
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet"/>
<div class="row">
<div class="col-md-4">
<div class="well">1
<br/>
...
std::back_inserter for a std::set?
...n 2016 there was a proposal to have a "single argument inserter iterator".
https://isocpp.org/files/papers/p0471r0.html . I couldn't find if it the proposal advanced. I think it makes sense.
For now you can have this behavior defining the maker function:
template<class Container>
auto sinser...
Aligning a float:left div to center?
...
Perhaps this what you're looking for - https://www.w3schools.com/css/css3_flexbox.asp
CSS:
#container {
display: flex;
flex-wrap: wrap;
justify-content: center;
}
.block {
width: 150px;
height: ...
What is the difference between sites-enabled and sites-available directory?
...te
configured by it will be active once Apache2 is restarted.
See here https://help.ubuntu.com/lts/serverguide/httpd.html
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Can Git hook scripts be managed along with the repository?
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It should also work across all platforms.
If you need any more info see https://www.viget.com/articles/two-ways-to-share-git-hooks-with-your-team/
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Add querystring parameters to link_to
...g.
<%= link_to 'Link', params.merge({:per_page => 20}) %>
see: https://stackoverflow.com/a/4174493/445908
Otherwise , check this answer: params.merge and cross site scripting
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Detecting a redirect in ajax request?
...it must follow the redirect). More information can be found in this answer https://stackoverflow.com/a/2573589/965648
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