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Port 80 is being used by SYSTEM (PID 4), what is that?
...listening to all interfaces (not used)
How to read NETSTAT -AN results:
https://sites.google.com/site/xiangyangsite/home/technical-tips/linux-unix/networks-related-commands-on-linux/how-to-read-netstat--an-results
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display: inline-block extra margin [duplicate]
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font-size: 0 to parent container
(Source: https://twitter.com/garand/status/183253526313566208)
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How to grant remote access to MySQL for a whole subnet?
...8.1.0/255.255.255.0' but the subnet must always be on complete octets. see https://mariadb.com/kb/en/create-user/#host-name-component. As result the functionality between one way of specification and the other is the same.
For example '192.168.1.0/255.255.255.128' will not work as it is not on a com...
How to fix HTTP 404 on Github Pages?
.../index.html into the end of URL then it showed up and solved the case.
https://username.github.io/index.html
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Running karma after installation results in 'karma' is not recognized as an internal or external com
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Official documentation at https://karma-runner.github.io/0.12/intro/installation.html is confusing. It implies that npm install -g karma-cli is to install karma globally but it actually required for to run karma from command line.
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Difference between JSONObject and JSONArray
...frences between JSON object and JSON array:
Link to Tabular Difference : https://i.stack.imgur.com/GIqI9.png
JSON Array
1. Arrays in JSON are used to organize a collection of related items
(Which could be JSON objects)
2. Array values must be of type string, number, object, array, boolean or...
UITableView - change section header color
...tView.backgroundColor = [UIColor blackColor];
}
Taken from my post here:
https://happyteamlabs.com/blog/ios-how-to-customize-table-view-header-and-footer-colors/
Swift 3 / 4
func tableView(_ tableView: UITableView, willDisplayHeaderView view: UIView, forSection section: Int){
view.tintColor ...
How to get the data-id attribute?
...(this).find(':selected').data("year"));
});
Here is the working example: https://jsfiddle.net/ed5axgvk/1/
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python date of the previous month
...today.
when = datetime.datetime.today()
# Find previous month: https://stackoverflow.com/a/9725093/564514
# Find today.
first = datetime.date(day=1, month=when.month, year=when.year)
# Use that to find the first day of this month.
prev_month_end = first - datetime.timedel...
How to write file if parent folder doesn't exist?
...creates all missing directories for you.
This module does what you want: https://npmjs.org/package/writefile . Got it when googling for "writefile mkdirp". This module returns a promise instead of taking a callback, so be sure to read some introduction to promises first. It might actually complica...