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How can I extend typed Arrays in Swift?
...a while trying different things the solution seems to remove the <T> from the signature like:
extension Array {
func find(fn: (T) -> Bool) -> [T] {
var to = [T]()
for x in self {
let t = x as T;
if fn(t) {
to += t
}...
How can I get the MAC and the IP address of a connected client in PHP?
...
Server IP
You can get the server IP address from $_SERVER['SERVER_ADDR'].
Server MAC address
For the MAC address, you could parse the output of netstat -ie in Linux, or ipconfig /all in Windows.
Client IP address
You can get the client IP from $_SERVER['REMOTE_ADD...
Python mysqldb: Library not loaded: libmysqlclient.18.dylib
...stem Integrity Protection (SIP, also known as "rootless") will prevent you from creating links in /usr/lib/.
You could disable SIP by following these instructions, but you can create a link in /usr/local/lib/ instead:
sudo ln -s /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/local/lib/libmysqlc...
NSDefaultRunLoopMode vs NSRunLoopCommonModes
...f NSURLConnection generated threads, as they only wake on incoming events (from the network).
Each thread can be associated to multiple run loops, or can be associated to a specific run loop that can be set to work in different modes. A "run loop mode" is a convention used by the OS to establish so...
How do you create a daemon in Python?
...r SO questions) and is rather obscure (how to start/stop properly a daemon from command line with this module?), I modified Sander Marechal's code sample to add quit() method that gets executed before the daemon is stopped. Here it is.
– Basj
Nov 12 '16 at 10:3...
What's the best strategy for unit-testing database-driven applications?
...ying complexity on the backend. Typically, there's an ORM layer separate from the business and presentation logic. This makes unit-testing the business logic fairly straightforward; things can be implemented in discrete modules and any data needed for the test can be faked through object mocking.
...
PHP Timestamp into DateTime
...ime, but the DateTime constructor does support creating instances directly from timestamps. According to this documentation, all you need to do is prepend the timestamp with an @ character:
$timestamp = strtotime('Mon, 12 Dec 2011 21:17:52 +0000');
$dt = new DateTime('@' . $timestamp);
...
How to check if a string “StartsWith” another string?
...n operation is discarded, and therefore don't perform the operation. Apart from that, modern javascript engines use branch prediction, so the test strings should be different in each iteration.
– Aloso
Sep 19 '17 at 21:04
...
How can I share code between Node.js and the browser?
...Node, which lets you expose a JavaScript function so that it can be called from another machine using a simple JSON-based network protocol.
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How to verify Facebook access token?
...using the me?access_token method is just plain wrong if the data is coming from the client side; since any site can fish for tokens then use them to authenticate into your site by accessing your api.
– srcspider
Jul 2 '15 at 11:09
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