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When do items in HTML5 local storage expire?
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It's not possible to specify expiration. It's completely up to the user.
https://developer.mozilla.org/en-US/docs/Web/API/Window/localStorage
Of course, it's possible that something your application stores on the client may not be there later. The user can explicitly get rid of local storage, or ...
How to visualize an XML schema? [closed]
...king.
Here is an example of a generated diagram
http://xsdvi.sourceforge.net/ipo.svg
The software can be downloaded from
http://sourceforge.net/projects/xsdvi/
It can be run as follows (assuming Java is installed and java.exe is in the path):-
Go to the dist/lib folder.
Run the following comm...
Solr vs. ElasticSearch [closed]
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For more thorough coverage of Solr vs. ElasticSearch topic have a look at https://sematext.com/blog/solr-vs-elasticsearch-part-1-overview/ . This is the first post in the series of posts from Sematext doing direct and neutral Solr vs. ElasticSearch comparison. Disclosure: I work at Sematext.
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Check if event is triggered by a human
...t: if it's defined the click is human:
Look at the fiddle http://jsfiddle.net/Uf8Wv/
$('.checkbox').change(function(e){
if (e.originalEvent !== undefined)
{
alert ('human');
}
});
my example in the fiddle:
<input type='checkbox' id='try' >try
<button id='click'>Click</b...
How to pass the password to su/sudo/ssh without overriding the TTY?
...h allows you to specify the password. You could try ruby -e "require 'net/ssh' ; Net::SSH.start('example.com', 'test_user', :password => 'secret') do |ssh| puts 'Logged in successfully' ; while cmd=gets ; puts ssh.exec!(cmd) ; end end"
– user1158559
Nov...
Which characters make a URL invalid?
...ical because they totally ignore the real-world usage of addresses like:
https://en.wikipedia.org/wiki/Möbius_strip or
https://zh.wikipedia.org/wiki/Wikipedia:关于中文维基百科/en.
First, a digression into terminology. What are these addresses? Are they valid URLs?
Historically, the ans...
React.js: onChange event for contentEditable
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Edit 2015
Someone has made a project on NPM with my solution: https://github.com/lovasoa/react-contenteditable
Edit 06/2016: I've just encoutered a new problem that occurs when the browser tries to "reformat" the html you just gave him, leading to component always re-rendering. See
Ed...
Two inline-block, width 50% elements wrap to second line [duplicate]
...pace between the div's it works as expected. Live Example: http://jsfiddle.net/XCDsu/4/
<div id="col1">content</div><div id="col2">content</div>
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Changing the width of Bootstrap popover
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});
JSFiddle
View the JSFiddle to try it out.
JSFiddle: http://jsfiddle.net/xp1369g4/
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How to replace all occurrences of a string?
...ut that doesn't seem to be the case anymore in modern browsers.
Benchmark: https://jsperf.com/replace-all-vs-split-join
Conclusion: If you have a performance critical use case (e.g processing hundreds of strings), use the Regexp method. But for most typical use cases, this is well worth not having t...