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What is Cache-Control: private?
...r browser did have to suffer the delay of sending a request to the server, and wait for a response, but it did save having to re-download the static content.
Why Max-Age? Why Expires?
Because Last-Modified sucks.
Not everything on the server has a date associated with it. If I'm building a page o...
How to filter by IP address in Wireshark?
...ditions:
OR condition:
(ip.src==192.168.2.25)||(ip.dst==192.168.2.25)
AND condition:
(ip.src==192.168.2.25) && (ip.dst==74.125.236.16)
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What does `void 0` mean? [duplicate]
...t does void 0 mean?
void[MDN] is a prefix keyword that takes one argument and always returns undefined.
Examples
void 0
void (0)
void "hello"
void (new Date())
//all will return undefined
What's the point of that?
It seems pretty useless, doesn't it? If it always returns undefined, what's wron...
Java Timer vs ExecutorService?
...code where I schedule a task using java.util.Timer . I was looking around and saw ExecutorService can do the same. So this question here, have you used Timer and ExecutorService to schedule tasks, what is the benefit of one using over another?
...
Check if a number is int or float
... isinstance(False, (int, float)) = True), I needed not isinstance(n, bool) and isinstance(n, (int, float)) instead
– YTZ
Jun 7 at 16:53
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How to get progress from XMLHttpRequest
...onprogress event. The browser knows the size of the files it has to upload and the size of the uploaded data, so it can provide the progress info.
For the bytes downloaded (when getting the info with xhr.responseText), it is a little bit more difficult, because the browser doesn't know how many byt...
What does template mean?
...the Factorial<0> template would have static constexpr int value = 1, and template <int N> struct Factorial can have static constexpr int value = N * Factorial<N - 1>::value;
– bobobobo
Aug 7 '17 at 22:08
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UIButton: Making the hit area larger than the default hit area
I have a question dealing with UIButton and its hit area. I am using the Info Dark button in interface builder, but I am finding that the hit area is not large enough for some people's fingers.
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PHP passing $_GET in linux command prompt
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Typically, for passing arguments to a command line script, you will use either argv global variable or getopt:
// bash command:
// php -e myscript.php hello
echo $argv[1]; // prints hello
// bash command:
// php -e myscript.php -f=world
$opts = getopt('f:');
ec...
Is there a VB.NET equivalent of C# out parameters?
...f you are translating VBScript to VB, you should make sure to set Explicit and Strict mode on. It will get you more error messages, but most will point to the source of problems (e.g. variable declared without type) rather than secondary problems (e.g. variable declared without type becomes Object, ...