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Sleep in JavaScript - delay between actions

...b; setTimeout(function() { b = a + 4; }, (3 * 1000)); This doesn't really 'sleep' JavaScript—it just executes the function passed to setTimeout after a certain duration (specified in milliseconds). Although it is possible to write a sleep function for JavaScript, it's best to use setTimeout ...
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(13: Permission denied) while connecting to upstream:[nginx]

...sue: sudo cat /var/log/audit/audit.log | grep nginx | grep denied | audit2allow -M mynginx sudo semodule -i mynginx.pp References: http://blog.frag-gustav.de/2013/07/21/nginx-selinux-me-mad/ https://wiki.gentoo.org/wiki/SELinux/Tutorials/Where_to_find_SELinux_permission_denial_details http://w...
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CSS text-transform capitalize on all caps

...th CSS, you could use PHP or Javascript for this. PHP example: $text = "ALL CAPS"; $text = ucwords(strtolower($text)); // All Caps jQuery example (it's a plugin now!): // Uppercase every first letter of a word jQuery.fn.ucwords = function() { return this.each(function(){ var val = $(this...
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Check if a string contains a number

...it exists in the string, otherwise False. Demo: >>> king = 'I shall have 3 cakes' >>> num_there(king) True >>> servant = 'I do not have any cakes' >>> num_there(servant) False share ...
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How do I prompt for Yes/No/Cancel input in a Linux shell script?

...is a simple demonstration: while true; do read -p "Do you wish to install this program?" yn case $yn in [Yy]* ) make install; break;; [Nn]* ) exit;; * ) echo "Please answer yes or no.";; esac done Another method, pointed out by Steven Huwig, is Bash's select co...
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How can I get this ASP.NET MVC SelectList to work?

...All<Customer>(); IEnumerable<SelectListItem> selectList = from c in customers select new SelectListItem { Selected = (c.CustomerID == invoice.CustomerID), Text = c.Name, Value = c.CustomerID.ToString() }; At second glance I'm not sure I know wha...
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How do I sort strings alphabetically while accounting for value when a string is numeric?

... bool IsNumeric(string value) { return int.TryParse(value, out _); } /// <inheritdoc /> public int Compare(string s1, string s2) { const int S1GreaterThanS2 = 1; const int S2GreaterThanS1 = -1; var IsNumeric1 = IsNumeric(s1); var Is...
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Determine if Android app is being used for the first time

... Beware for Android 6.0 (API 23 - Marshmallow) or above auto backup (developer.android.com/guide/topics/data/autobackup.html)is enabled by default. If the users uninstalls and then reinstalls the app the shared preferences will be recovered. So on reinstalls you ca...
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Is there a [Go to file…]?

...e name of this action is "Open Quickly..." – Michal Gallovic Apr 25 at 10:48 add a comment  |  ...
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how to use sed, awk, or gawk to print only what is matched?

...use -E sed option to trigger modern RE format. Check re_format(7), specifically last paragraph of DESCRIPTION developer.apple.com/library/mac/#documentation/Darwin/Reference/… – anddam Mar 3 '13 at 16:33 ...