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Check if Internet Connection Exists with Javascript? [duplicate]
...iest way given that your issue is centered around jQuery.
If you wanted a more robust solution you could try:
var online = navigator.onLine;
Read more about the W3C's spec on offline web apps, however be aware that this will work best in modern web browsers, doing so with older web browsers may ...
In a PHP project, what patterns exist to store, access and organize helper objects? [closed]
...uncle Bob' (Robert Martin) discussing manual DI vs using framework.
Some more thoughts on Flavius's solution. I don't want this post to be an anti-post but I think it's important to see why dependency injection is, at least for me, better than globals.
Even though it is not a 'true' Singleton im...
MySQL check if a table exists without throwing an exception
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There is no more support for mysql_* functions, they are officially deprecated, no longer maintained and will be removed in the future. You should update your code with PDO or MySQLi to ensure the functionality of your project in the fut...
heroku - how to see all the logs
...il the logs live
heroku logs -t
Heroku log documentation
If you need more than a few thousand lines you can Use heroku's Syslog Drains
Alternatively (old method):
$ heroku run rails c
File.open('log/production.log', 'r').each_line { |line| puts line }
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Two inline-block, width 50% elements wrap to second line [duplicate]
... to eradicate from dynamic situations without a post-processor which costs more CPU-time for marginal bandwidth savings.
– Phil Ricketts
Jul 24 '12 at 17:35
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unix - head AND tail of file
...first 10 lines of its input, there is no guaranteed that it didn't consume more of it in order to find the 10th line ending, leaving less of the input for less to display.
– chepner
Feb 12 '16 at 16:58
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django unit tests without a db
...ngoTestSuiteRunner were moved to 'django.test.runner.DiscoverRunner'.
For more info check official doc section about custom test runners.
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OSX - How to auto Close Terminal window after the “exit” command executed.
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You can use the link for more and step wise step info cnet.com/news/terminal-tip-close-windows-after-clean-exit
– Krishan Kumar Mourya
Jan 12 '18 at 7:37
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What is the PostgreSQL equivalent for ISNULL()
...CT CASE WHEN field IS NULL THEN 'Empty' ELSE field END AS field_alias
Or more idiomatic:
SELECT coalesce(field, 'Empty') AS field_alias
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How to convert URL parameters to a JavaScript object?
..."[asf]","xyz":"5"}
which is legal JSON.
An improved solution allows for more characters in the search string. It uses a reviver function for URI decoding:
var search = location.search.substring(1);
JSON.parse('{"' + search.replace(/&/g, '","').replace(/=/g,'":"') + '"}', function(key, value)...