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Python: Append item to list N times
... reason why the first method is only a good idea for constant values, like ints or strings, is because only a shallow copy is does when using the <list>*<number> syntax, and thus if you did something like [{}]*100, you'd end up with 100 references to the same dictionary - so changing one...
Real world example about how to use property feature in python?
... the distance in metres
# All units provided using setters will be converted before
# being stored
self._distance = 0.0
@property
def in_metres(self):
return self._distance
@in_metres.setter
def in_metres(self, val):
try:
self._di...
How can I automate the “generate scripts” task in SQL Server Management Studio 2008?
...ript
I don't know if v1.4 has the same troubles that v1.1 did (users are converted to roles, constraints are not created in the right order), but it is not a solution for me because it doesn't script objects to different files like the Tasks->Generate Scripts option in SSMS does. I'm currently ...
LEN function not including trailing spaces in SQL Server
...st method that gives correct answers that I know of is the following:
LEN(CONVERT(NVARCHAR(MAX), @s) + 'x') - 1
This is faster than the REPLACE technique, and much faster with longer strings. Basically this technique is the LEN(@s + 'x') - 1 technique, but with protection for the edge case where ...
How can I break an outer loop with PHP?
...
Nice try at converting the entire supplied code to PHP, though the break statement doesn't do what I need it to do (it only ends the inner loop).
– Marty
May 4 '11 at 8:18
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Is it possible to use argsort in descending order?
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@user3666197 Yes, that's a good point - if an array is taking up 50% available memory, we will certainly want to avoid copying it and causing swapping. I'll edit again to mention that a copy is created there.
– wim
Aug...
How to find the key of the largest value hash?
...0], *hash[hash.length-1]
2nd largest key value pair
Hash[*hash[1]]
To convert the hash array back into a hash
hash.to_h
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In C#, how to check if a TCP port is available?
...to get to an array of TcpConnectionInformation objects, which you can then interrogate about endpoint IP and port.
int port = 456; //<--- This is your value
bool isAvailable = true;
// Evaluate current system tcp connections. This is the same information provided
// by the netstat command...
Compare two List objects for equality, ignoring order [duplicate]
...> list1, IEnumerable<T> list2) {
var cnt = new Dictionary<T, int>();
foreach (T s in list1) {
if (cnt.ContainsKey(s)) {
cnt[s]++;
} else {
cnt.Add(s, 1);
}
}
foreach (T s in list2) {
if (cnt.ContainsKey(s)) {
cnt[s]--;
} else {
retur...
Choose between ExecutorService's submit and ExecutorService's execute
...ask to be invoked. The default UncaughtExceptionHandler, which typically prints the Throwable stack trace to System.err, will be invoked if no custom handler has been installed.
On the other hand, a Throwable generated by a task queued with submit() will bind the Throwable to the Future that was pr...