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C# Events and Thread Safety
...memory model aspect of the question; see code.logos.com/blog/2008/11/events_and_threads_part_4.html
– Bradley Grainger
Apr 29 '09 at 20:58
2
...
Do HTML WebSockets maintain an open connection for each client? Does this scale?
...
@ArnaudBouchez check en.wikipedia.org/wiki/HTTP_persistent_connection#HTTP_1.1 WebSockets are open as long as you want and are not hackish (like long-polling and other alternatives).
– kaoD
Feb 21 '15 at 19:20
...
URL Encode a string in jQuery for an AJAX request
...e: "POST",
url: "http://atandra.mivamerchantdev.com//mm5/json.mvc?Store_Code=ATA&Function=Module&Module_Code=thub_connector&Module_Function=THUB_Request",
data: "strChannelName=" + $('#txtupdstorename').val() + "&ServiceUrl=" + encodeURIComponent($('#txtupdserviceurl').val())...
Rails: FATAL - Peer authentication failed for user (PG::Error)
...velopment:
adapter: postgresql
encoding: unicode
database: kickrstack_development
host: localhost
pool: 5
username: kickrstack
password: secret
Make sure your user credentials are set correctly by creating a database and assigning ownership to your app's user to establish the connect...
Fast way of counting non-zero bits in positive integer
...p://graphics.stanford.edu/~seander/bithacks.html#CountBitsSetTable
POPCOUNT_TABLE16 = [0] * 2**16
for index in range(len(POPCOUNT_TABLE16)):
POPCOUNT_TABLE16[index] = (index & 1) + POPCOUNT_TABLE16[index >> 1]
def popcount32_table16(v):
return (POPCOUNT_TABLE16[ v & 0xf...
Why use static_cast(x) instead of (int)x?
I've heard that the static_cast function should be preferred to C-style or simple function-style casting. Is this true? Why?
...
What is the most efficient Java Collections library? [closed]
... long mem = usedMem();
TIntIntHashMap ours = new TIntIntHashMap(SET_SIZE);
for ( int i = dataset.size(); i-- > 0; ) {
ours.put(i, i);
}
mem = usedMem() - mem;
System.err.println("trove " + mem + " bytes");
ours.clear();
}
publi...
How do I delete an exported environment variable?
Before installing gnuplot, I set the environment variable GNUPLOT_DRIVER_DIR = /home/gnuplot/build/src . During the installation, something went wrong.
...
“open/close” SqlConnection or keep open?
...ion()) {} public SqlConnection GetConnection() { return new SqlConnection(_connectionString); }
– ganders
Jan 23 at 17:12
...
Returning an array using C
...ype; the function actually receives a pointer type:
void foo(char *a, size_t asize)
{
// do something with a
}
int bar(void)
{
char str[6] = "Hello";
foo(str, sizeof str);
}
In the call to foo, the expression str is converted from type char [6] to char *, which is why the first parameter o...