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Best way to check if a URL is valid
...
function is_url($uri){
if(preg_match( '/^(http|https):\\/\\/[a-z0-9_]+([\\-\\.]{1}[a-z_0-9]+)*\\.[_a-z]{2,5}'.'((:[0-9]{1,5})?\\/.*)?$/i' ,$uri)){
return $uri;
}
else{
return false;
}
}
...
How to validate phone numbers using regex
... for other languages that use the Google i18n phone number dataset:
PHP: https://github.com/giggsey/libphonenumber-for-php
Python: https://github.com/daviddrysdale/python-phonenumbers
Ruby: https://github.com/sstephenson/global_phone
C#: https://github.com/twcclegg/libphonenumber-csharp
Objective-...
HTTPS and SSL3_GET_SERVER_CERTIFICATE:certificate verify failed, CA is OK
...o set cacert.pem to curl.cainfo.
Since PHP 5.3.7 you could do:
download https://curl.haxx.se/ca/cacert.pem and save it somewhere.
update php.ini -- add curl.cainfo = "PATH_TO/cacert.pem"
Otherwise you will need to do the following for every cURL resource:
curl_setopt ($ch, CURLOPT_CAINFO, "PAT...
Easiest way to read from a URL into a string in .NET
...W yes it does, I've just tested it (with string s = client.DownloadString("https://stackoverflow.com/questions/1048199/easiest-way-to-read-from-a-url-into-a-string-in-net/1048204");) - works absolutely fine. Whatever is happening: it isn't https that is the immediate problem. Are you sure the site h...
Installing Latest version of git in ubuntu
...tp://<user>:<pwd>@<proxy_url>:<port_number>
export https_proxy=http://<user>:<pwd>@<proxy_url>:<port_number>
Run the add-apt-repository command again as sudo with the -E option that preserves the user environment:
sudo -E add-apt-repository ppa:git-c...
Map and Reduce in .NET
...;
Filter is Where:
Enumerable.Range(1, 10).Where(x => x % 2 == 0);
https://www.justinshield.com/2011/06/mapreduce-in-c/
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Can a shell script set environment variables of the calling shell? [duplicate]
...local/sbin/noproxy #turn off proxy server
unset http_proxy HTTP_PROXY https_proxy HTTPs_PROXY
}
# Proxy
function setproxy
{
sh /usr/local/sbin/proxyon #turn on proxy server
http_proxy=http://127.0.0.1:8118/
HTTP_PROXY=$http_proxy
https_proxy=$http_proxy
HTTPS_PROXY=$http...
Passing data to a bootstrap modal
...#addBookDialog").modal("show");
});
});
<html>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<link href="https://maxcdn.boot...
How do I get the user agent with Flask?
... in string
'en-US'
Detailed information about 'accept_language" header: https://www.w3.org/International/questions/qa-lang-priorities
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Drawing text to with @font-face does not work at the first time
...document.getElementsByTagName('head')[0].appendChild(link);
// Trick from https://stackoverflow.com/questions/2635814/
var image = new Image();
image.src = link.href;
image.onerror = function() {
ctx.font = '50px "Vast Shadow"';
ctx.textBaseline = 'top';
ctx.fillText('Hello!', 20, 10);
...