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Usage of protocols as array types and function parameters in swift
...help overcome this limitation in some cases.
struct AnyX {
private let _x: () -> Int
var x: Int { return _x() }
init<T: X>(_ some: T) {
_x = { some.x }
}
}
// Usage Example
struct XY: X {
var x: Int
var y: Int
}
struct XZ: X {
var x: Int
var z: In...
Email address validation using ASP.NET MVC data type attributes
...Expression Attribute, something like this:
[RegularExpression("^[a-zA-Z0-9_\\.-]+@([a-zA-Z0-9-]+\\.)+[a-zA-Z]{2,6}$", ErrorMessage = "E-mail is not valid")]
And don't delete [Required] because [RegularExpression] doesn't affect empty fields.
...
In a javascript array, how do I get the last 5 elements, excluding the first element?
... huge javascript minified file if your trying to do it from your browser.
_.slice(_.rest(arr), -5)
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An error occurred while installing pg (0.17.1), and Bundler cannot continue
...--with-pg-config=/Applications/Postgres.app/Contents/Versions/latest/bin/pg_config
Note: This answer has been edited to use the latest symlink that is currently included in shipping versions of the Postgres app.
Previous versions suggested:
gem install pg -- --with-pg-config=/Applications/Postgr...
How do you get a Golang program to print the line number of the error it just called?
... // the error happened, 0 = this function, we don't want that.
_, fn, line, _ := runtime.Caller(1)
log.Printf("[error] %s:%d %v", fn, line, err)
b = true
}
return
}
//this logs the function name as well.
func FancyHandleError(err error) (b bool) {
if err != n...
How do I make a request using HTTP basic authentication with PHP curl?
...
You want this:
curl_setopt($ch, CURLOPT_USERPWD, $username . ":" . $password);
Zend has a REST client and zend_http_client and I'm sure PEAR has some sort of wrapper.
But its easy enough to do on your own.
So the entire request might look ...
List all files in one directory PHP [duplicate]
... the best way to list all the files in one directory with PHP? Is there a $_SERVER function to do this? I would like to list all the files in the usernames/ directory and loop over that result with a link, so that I can just click the hyperlink of the filename to get there. Thanks!
...
Is it possible to view RabbitMQ message contents directly from the command line?
...
You should enable the management plugin.
rabbitmq-plugins enable rabbitmq_management
See here:
http://www.rabbitmq.com/plugins.html
And here for the specifics of management.
http://www.rabbitmq.com/management.html
Finally once set up you will need to follow the instructions below to install...
Trusting all certificates with okHttp
...Factory, trustAllCerts[0] as X509TrustManager)
.hostnameVerifier { _, _ -> true }.build()
}
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Python, Unicode, and the Windows console
...icode API as the win-unicode-console package mentioned below. print(unicode_string) should just work now.
I get a UnicodeEncodeError: 'charmap' codec can't encode character... error.
The error means that Unicode characters that you are trying to print can't be represented using the current...