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How does HTTP file upload work?
...esn't get blocked on every connection. You can have as many connections to one port, as the other sides has ports to bind their own end to.
– Slotos
Nov 12 '14 at 20:58
...
PHP Pass variable to next page
...SION array, and also before any output is sent to the browser.
Cookie:
//One page 1
$_COOKIE['varname'] = $var_value;
//On page 2
$var_value = $_COOKIE['varname'];
The big difference between sessions and cookies is that the value of the variable will be stored on the server if you're using sess...
Way to go from recursion to iteration
...ive function onto a stack. In fact, you are replacing the program stack by one of your own.
var stack = [];
stack.push(firstObject);
// while not empty
while (stack.length) {
// Pop off end of stack.
obj = stack.pop();
// Do stuff.
// Push other objects on the stack as needed.
...
Checking if a string array contains a value, and if so, getting its position
...
This should be the accepted answer because it allows one to pass in a lambda to do more complicated things like Array.FindIndex(array, x => x.StartsWith("insert string here"))
– reggaeguitar
Apr 2 '14 at 21:33
...
What is a typedef enum in Objective-C?
...re 'tagname' as a typedef for 'enum tagname'
This can be simplified into one line:
typedef enum tagname { ... } tagname; // declare both 'enum tagname' and 'tagname'
And finally, if we don't need to be able to use enum tagname with the enum keyword, we can make the enum anonymous and only decl...
How to parse JSON in Java
...
org.json is amongst the worst json libraries. One should look at the feature set and performance of available json libraries before choosing. Here is a benchmark I did comparing jackson, gson, org.json, genson using JMH: github.com/fabienrenaud/java-json-benchmark. jacks...
Can you attach Amazon EBS to multiple instances?
We currently use multiple webservers accessing one mysql server and fileserver. Looking at moving to the cloud, can I use this same setup and attach the EBS to multiple machine instances or what's another solution?
...
Are static fields inherited?
...s, since the static int total inherited by SomeDerivedClass is exactly the one in SomeClass, not a distinct variable.
Edit: actually 4 in all cases, as @ejames spotted and pointed out in his answer, which see.
Edit: the code in the second question is missing the int in both cases, but adding it ma...
How can I access my localhost from my Android device?
...USB doesn't provide network to mobile device.
If both your desktop and phone are connected to the same WiFi (or any other local network), then use your desktop IP address assigned by the router (not localhost and not 127.0.0.1).
To find out the IP address of your desktop:
type into the comman...
Javascript How to define multiple variables on a single line?
...on the multiple assignment construct, you'll shoot yourself in the foot at one point or another.
An example would be:
>>> var a = b = c = [];
>>> c.push(1)
[1]
>>> a
[1]
They all refer to the same object in memory, they are not "unique" since anytime you make a referen...