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Anatomy of a “Memory Leak”
...pinning see Pinning Artical). If you are not getting OOM errors or need to confirm if it is a memory leak causing it then the only way is to profile your application.
I would also try and ensure the following:
a) Everything that implements Idisposable is disposed either using a finally block or th...
How do I access named capturing groups in a .NET Regex?
... String sample = "hello-world-";
Regex regex = new Regex("-(?<test>[^-]*)-");
Match match = regex.Match(sample);
if (match.Success)
{
Console.WriteLine(match.Groups["test"].Value);
}
}
}
...
Jquery change background color
...eady(function() {
$("button").mouseover(function() {
var p = $("p#44.test").css("background-color", "yellow");
p.hide(1500).show(1500);
p.queue(function() {
p.css("background-color", "red");
});
});
});
The .queue() function waits for running animations to run out and the...
Using a bitmask in C#
...6, Sun = 32 }
DaysBitMask mask = DaysBitMask.Sat | DaysBitMask.Thu;
bool test;
if ((mask & DaysBitMask.Sat) == DaysBitMask.Sat)
test = true;
if ((mask & DaysBitMask.Thu) == DaysBitMask.Thu)
test = true;
if ((mask & DaysBitMask.Wed) != DaysBitMask.Wed)
test = true;
// Store...
PostgreSQL return result set as JSON array?
...
or combine json_agg with a cast:
SELECT json_agg(t)::jsonb FROM t
My testing suggests that aggregating them into an array first is a little faster. I suspect that this is because the cast has to parse the entire JSON result.
9.2
9.2 does not have the json_agg or to_json functions, so you nee...
Interview question: Check if one string is a rotation of other string [closed]
...ution will be the rotation difference (if they are rotated); an O(n) check confirms. The nice thing is that if there are two equal max values, then they are both also valid solutions. You can do the convolution with two FFT's and a dot product, and an iFFT, so nlogn + nlogn + n + nlogn + n == O(nl...
boost::flat_map and its performance compared to map and unordered_map
...dering of instructions.
3) parameters
The last problem is people usually test for too few variations of the scenario.
A container performance is affected by:
Allocator
size of contained type
cost of implementation of copy operation, assignment operation, move operation, construction operation, o...
What is the difference between encrypting and signing in asymmetric encryption?
...am hijacking the entire conversation between them.
Is there a way Bob can confirm that the messages he is receiving are actually sent by Alice?
Alice signs the message with her private key and sends it over. (In practice, what is signed is a hash of the message, e.g. SHA-256 or SHA-512.)
Bob rece...
In javascript, is an empty string always false as a boolean?
...
@Bruno, You can perform the same test with NaN and undefined. They are not false but they are falsy. Which is what was asked.
– Joseph
Feb 25 '16 at 23:52
...
How can I tell IntelliJ's “Find in Files” to ignore generated files?
...of getting the same result without needing to configure a custom scope.
I tested this in IntelliJ Ultimate 14.1.4. I have no idea how it behaves in other versions, but I suspect most of v14 at least will behave the same.
sh...