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Bootstrap Alert Auto Close
...se or fade away the bootstrap alert message after 5 seconds:
This is the HTML code used to display the message:
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<div class="alert alert-danger">
This is an example message...
<...
Java: function for arrays like PHP's join()?
...ner class: http://docs.oracle.com/javase/8/docs/api/java/util/StringJoiner.html
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Converting String to “Character” array in Java
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Link: https://docs.oracle.com/javase/9/docs/api/java/lang/Character.html
array[i] = new Character(s.charAt(i));
*/
array[i] = s.charAt(i);
}
return array;
}
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How can I pass command-line arguments to a Perl program?
...y traversing an argument list. Based on perlmeme.org/howtos/syntax/foreach.html it looks like the syntax is correct; for a caveat, check the section, Side-effects : The control variable is an alias to the list element
– jaredor
Dec 12 '08 at 15:32
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“Wrap with try…catch” in IntelliJ?
...s.com/help/idea/2016.2/surrounding-blocks-of-code-with-language-constructs.html
If you are using Ubuntu and already read above answers you may see that default key shortcut for surround with Ctrl+Alt+T is open terminal in Ubuntu.
So one way to use surround with is, in Menu Code -> Surround with....
How can I erase all inline styles with javascript and leave only the styles specified in the css sty
If I have the following in my html:
7 Answers
7
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How do I delete all messages from a single queue using the CLI?
...on github.com/rabbitmq/rabbitmq-server/pull/215 and rabbitmq.com/changelog.html . If you have an older version, rabbitmqadmin as per stackoverflow.com/a/18267342/272387 might help.
– Richlv
Oct 25 '17 at 11:44
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Difference between volatile and synchronized in Java
...rdering (see http://www.cs.umd.edu/users/pugh/java/memoryModel/jsr-133-faq.html#volatile). For the purposes of visibility, each access to a volatile field acts like half a synchronization.
Under the new memory model, it is still true that volatile variables cannot be reordered with each other. ...
How to have a transparent ImageButton: Android
...ce changes." from developer.android.com/reference/android/view/SurfaceView.html
– Quintin Robinson
Aug 4 '10 at 6:02
57
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Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?
...post_controller.rb
def index
@posts = Post.all
end
#app/view/posts/index.html.erb
<%= debug(@posts) %>
#start your server
rails -s
results (in browser)
- !ruby/object:Post
raw_attributes:
id: 2
title: My Second Post
body: Welcome! This is another example post
published...