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Using Node.js only vs. using Node.js with Apache/Nginx
...: if you're using websockets, make sure to use a recent version of nginx (>= 1.3.13), since it only just added support for upgrading a connection to use websockets.
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How can I use different certificates on specific connections?
...ows IOException, UnknownHostException {
LOG.trace("createSocket(host => {}, port => {})", new Object[] { host, new Integer(port) });
return SSL_CONTEXT.getSocketFactory().createSocket(host, port);
}
Along with other methods implementing SecureProtocolSocketFactory. LocalSSLTrustMana...
How can I handle time zones in my webapp?
...R to get the Latitude converted to Timezone) to get the users timezone.
=> The users timezone is determined without user input ( I am using this because you cannot simply assume that user knows the timezone of place he lives in, I knew my timezone only after few months or something at the place ...
Converting an array of objects to ActiveRecord::Relation
...ver 100 arguments to a function, thus, it works with relations of total length up to 100, ids like 112 and 12 won't be separated from each other.
– Anton Semenichenko
Sep 22 at 22:09
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What is the best way to prevent session hijacking?
...en'] it's equal with $_COOKIE['user_token'] only for $_SESSION['request'] > 0
if($_SESSION['request'] > 0){
// if it's equal then regenerete value of token cookie if not then destroy_session
if($_SESSION['user_token'] === $_COOKIE['user_token']){
$cookie_token ...
Is it possible to implement dynamic getters/setters in JavaScript?
... // "proxy.foo = BAR"
Operations you don't override have their default behavior. In the above, all we override is get, but there's a whole list of operations you can hook into.
In the get handler function's arguments list:
target is the object being proxied (original, in our case).
name is...
How do you know when to use fold-left and when to use fold-right?
...dy said, a foldRight needs to preserve n-1 stack frames, where n is the length of your list and this can easily lead to a stack overflow - and not even tail recursion could save you from this.
A List(1,2,3).foldRight(0)(_ + _) would reduce to:
1 + List(2,3).foldRight(0)(_ + _) // first sta...
What is an “unwrapped value” in Swift?
...r code should look like this:
let optionalSquare: Square? = Square(sideLength: 2.5, name: "optional square")
let sideLength = optionalSquare!.sideLength
A sidenote:
You can also declare optionals to automatically unwrap by using an exclamation mark instead of a question mark.
Example:
var ca...
How to read keyboard-input?
... inputThread.start()
while (True):
if (inputQueue.qsize() > 0):
input_str = inputQueue.get()
print("input_str = {}".format(input_str))
if (input_str == EXIT_COMMAND):
print("Exiting serial terminal.")
break
...
How many socket connections can a web server handle?
...Oct 15 '09 at 23:01
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