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Rails: Check output of path helper from console
...; "/posts/3"
app.posts_path
#=> "/posts"
app.posts_url
#=> "http://www.example.com/posts"
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Regex empty string or email
...a|jobs|museum)$)
see more about the email matching regex itself:
http://www.regular-expressions.info/email.html
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Catch an exception thrown by an async void method
...Net decides to execute your method synchronously.
This explanation http://www.interact-sw.co.uk/iangblog/2010/11/01/csharp5-async-exceptions is pretty good - it discusses the steps the compiler takes to achieve this magic.
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iTerm2 keyboard shortcut - split pane navigation
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
index.php not loading by default
...toryIndex index.php
Here is a resource regarding the matter...
http://www.twsc.biz/twsc_hosting_htaccess.php
Edit: I'm assuming apache is configured to allow .htaccess files. If it isn't, you'll have to modify the setting in apache's configuration file (httpd.conf)
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How to detect internet speed in JavaScript?
...
//JUST AN EXAMPLE, PLEASE USE YOUR OWN PICTURE!
var imageAddr = "http://www.kenrockwell.com/contax/images/g2/examples/31120037-5mb.jpg";
var downloadSize = 4995374; //bytes
function ShowProgressMessage(msg) {
if (console) {
if (typeof msg == "string") {
console.log...
Validating URL in Java
...ther a connection can be established:
try {
URL url = new URL("http://www.yoursite.com/");
URLConnection conn = url.openConnection();
conn.connect();
} catch (MalformedURLException e) {
// the URL is not in a valid form
} catch (IOException e) {
// the connection couldn't be est...
send/post xml file using curl command line
...rl to pass the data to the
server using the content-type
application/x-www-form-urlencoded.
Compare to -F/--form.
-d/--data is the same as --data-ascii. To post data purely binary, you should
instead use the --data-binary option.
To URL-encode the value of a form
field you may use -...
ssl证书申请报错：challenge = [c for c in authorization[\'challenges\']...
...-01"][0] IndexError: list index out of range
原因：ACME不支持 *.xxx.com 通用域名，必须指定 a.xxx.com, b.xxx.com（DNS-01 challenge支持通配符）
参考：https://github.com/diafygi/acme-tiny/issues/213
acme ssl dns
Asynchronous shell exec in PHP
...
if the user you run apache (usually www-data) doesn't have the permissions to use at and you can't configure it to, you can try to use <?php exec('sudo sh -c "echo \"command\" | at now" '); If command contains quotes, see escapeshellarg to save you headaches...