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Is it possible to ping a server from Javascript?
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Update 3: @Jonathon created a GitHub repo with the implementation.
https://github.com/jdfreder/pingjs
Update 4: It looks as if this implementation is no longer reliable. People are also reporting that Chrome no longer supports it all, throwing a net::ERR_NAME_NOT_RESOLVED error. If someone ...
store and retrieve a class object in shared preference
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You can do it using PowerPreference library in 3 easy steps!
https://github.com/AliAsadi/PowerPreference
1. Create Object
Object obj = new Object();
2. Write to shared preference
PowerPreference.getDefaultFile().put("object",obj);
3. Getting the object
Object obj = PowerPrefere...
How to simulate a mouse click using JavaScript?
...entFromPoint:
document.elementFromPoint(x, y);
supported in all browsers: https://caniuse.com/#feat=element-from-point
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Is it a bad practice to use negative margins in Android?
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Programmatically access currency exchange rates [closed]
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another very great free and opensource link is this:
https://raw.github.com/currencybot/open-exchange-rates/master/latest.json
(I found about it here: http://josscrowcroft.github.com/open-exchange-rates/)
[Update]:
Open Exchange Rates project data has been moved away from GitH...
Capturing multiple line output into a Bash variable
...sh will do that I think? I just saw it recently, other code examples here: https://unix.stackexchange.com/questions/24260/reading-lines-from-a-file-with-bash-for-vs-while
One more time! This time with a different filehandle (stdin, stdout, stderr are 0-2, so we can use &3 or higher in bash).
r...
iPhone Safari Web App opens links in new window
...plate project links to this gist which has a good discussion on the topic: https://gist.github.com/1042026
Here's the final code they came up with:
<script>(function(a,b,c){if(c in b&&b[c]){var d,e=a.location,f=/^(a|html)$/i;a.addEventListener("click",function(a){d=a.target;while(!f....
Difference between Activity Context and Application Context
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Archive of article web.archive.org/web/20150329210012/https://possiblemobile.com/…
– nmu
Jul 6 '17 at 10:41
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How to “git show” a merge commit with combined diff output even when every changed file agrees with
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Seems like answered here:
https://public-inbox.org/git/7vd392ezhx.fsf@alter.siamese.dyndns.org/
So in a similar way, running
$ git diff --cc $M $M^1 $M^2 $(git merge-base $M^1 $M^2)
should show a combined patch that explains the state at $M relative ...
How to delete multiple files at once in Bash on Linux?
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