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How to run a command before a Bash script exits?
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POSIX makes me smile. :) Great teaching site you've linked to as well.
– Cometsong
May 31 '19 at 12:33
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How do I get current URL in Selenium Webdriver 2 Python?
...nt_url
or, see official documentation:
https://seleniumhq.github.io/docs/site/en/webdriver/browser_manipulation/#get-current-url
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Resize fields in Django Admin
...TextField: {'widget': Textarea(attrs={'rows':4, 'cols':40})},
}
admin.site.register(YourModel, YourModelAdmin)
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What is the role of src and dist folders?
...on, and is the minified/concatenated version - actually used on production sites.
This is a common task that is done for assets on the web to make them smaller.
You can see an example here: http://blog.kevinchisholm.com/javascript/node-js/javascript-concatenation-and-minification-with-the-grunt-js...
php execute a background process
... It`s work for me, and I will use the makefile do something at server site, thank you! (ex. make, make restart)
– Chu-Siang Lai
Jan 24 '14 at 3:17
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Why does InetAddress.isReachable return false, when I can ping the IP address?
...rue if internet is connected, Its preferable if you use the address of the site you are trying to connect through the program.
public static boolean isInternetReachable()
{
try {
//make a URL to a known source
URL url = new URL("http://www.google.com");
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jQuery - hashchange event
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try Mozilla official site: https://developer.mozilla.org/en/DOM/window.onhashchange
cite as follow:
if ("onhashchange" in window) {
alert("The browser supports the hashchange event!");
}
function locationHashChanged() {
if (location.ha...
How to redirect the output of a PowerShell to a file during its execution
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Microsoft has announced on Powershell's Connections web site (2012-02-15 at 4:40 PM) that in version 3.0 they have extended the redirection as a solution to this problem.
In PowerShell 3.0, we've extended output redirection to include the following streams:
Pipeline (1)
Error...
How can I get the MAC and the IP address of a connected client in PHP?
...at I thought, is there any way to identify unique computers connected to a site?
– jcho360
Jul 3 '12 at 14:17
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Unique random string generation
... secure randomness for more than generating strings. Check out the project site for more details.
Original Answer
Since no one has provided secure code yet, I post the following in case anyone finds it useful.
string RandomString(int length, string allowedChars = "abcdefghijklmnopqrstuvwxyzABCDEF...